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78m66 31 evaluation board user manual december 2011 rev 1 um _ 6631_ 077
78m6631 evaluation board user manual um_6631_077 maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a maxim product. no cir cuit patent licenses are implied. maxim reserves the right to change the circuitry and specifications without notice at any time. maxim integrated products, 120 san gabriel drive, sunnyvale, ca 94086 408 - 737 - 7600 ? 2011 maxim integrated products is a registered trademark of maxim integrated products.
um_6631_077 78m6631 evaluation board user manual rev 1 3 table of contents 1 introduction ................................................................................................................................... 5 1.1 package contents ................................................................................................................ 5 1.2 system r equirements ........................................................................................................... 5 1.3 safety and esd notes .......................................................................................................... 6 1.4 firmware demo code introduction ........................................................................................ 6 1.5 testing the 78m6631 evaluation board prior to shipping ...................................................... 6 2 installation ..................................................................................................................................... 7 2.1 usb driver installation .......................................................................................................... 7 2.2 co nfirm com port mapping .................................................................................................. 8 2.3 basic connection setup ........................................................................................................ 9 2.4 3 - phase system connection ............................................................................................... 10 2.5 burden resistor selection ................................................................................................... 11 2.6 jumpers and switches settings .......................................................................................... 12 2.7 verify serial connection to the pc ...................................................................................... 17 2.8 in - circuit emulator (ice) adaptor ........................................................................................ 19 3 schematics, bill of materials and pcb layouts ......................................................................... 20 3.1 78m6631 evaluation board schematics .............................................................................. 20 3.2 78m6631 evaluation board bill of materials ........................................................................ 23 3.3 78m6631 evaluation board pcb layouts ............................................................................ 25 4 ordering information ................................................................................................................... 26 5 included documentation ............................................................................................................. 26 6 contac t information ..................................................................................................................... 26 revision history .................................................................................................................................. 26
78m6631 evaluation board user manual um_6631_077 4 rev 1 figures figure 1: 78m6631 evaluation board connections ................................................................................... 9 figure 2: 78m6631 evaluation board application diagram (wye 3 - phase 4- wires) ................................. 1 0 figure 3: ice adaptor ............................................................................................................................ 19 figure 4: attaching the ice adaptor ....................................................................................................... 19 figure 5: 78m6631 evaluation board electrical schematic (1 of 3) ......................................................... 20 figure 6: 78m6631 evaluation board electrical schematic (2 o f 3) ......................................................... 21 figure 7: 78m6631 evaluation board electrical schematic (3 of 3) ......................................................... 22 figure 8: 78m6631 evaluation board pcb top view ............................................................................. 25 figure 9: 78m6631 evaluation board pcb bottom view ........................................................................ 25 table table 1: evaluation board jumpers and terminal blocks description ..................................................... 12 table 2: j32 evaluation board spi connector ....................................................................................... 14 table 3: j27 ice connector ................................................................................................................... 14 table 4: j21 external battery connector/jumper ................................................................................... 14 table 5: j36 isolated uart signal connector ........................................................................................ 14 table 6: j33 optional 5vdc external supply ......................................................................................... 15 table 7: j24 digital i/o connector ......................................................................................................... 15 table 8: tp1 digital i/o connector ........................................................................................................ 15 table 9: tp2 digital i/o connector ........................................................................................................ 15 table 10: tp3 digital i/o connector ....................................................................................................... 15 table 11: j34 usb connector ............................................................................................................... 16 table 12: com port setup parameters .................................................................................................. 17 table 13: 78m6631 evaluation board bill of materials ............................................................................ 23
um_6631_077 78m6631 evaluation board user manual rev 1 5 1 introduc tion the teridian ? 78m 6631 eval uation board is an electrical measurement unit for performing measurements on a 3- phase ac system. it incorporates the 78m 6631 power and energy measur ement device and connect s to a pc through a usb cable such as the one provided in the demo kit. the eval uation board demonstrates the capability of the 78m 6631 energy meter controller chip for measurement accuracy and overall system use. the on- board 78m 6631 is pre - programmed with the firmware d emo code. the 78m 6631 energy measurement data and status is read back over the serial uart interface using a text - based cli command set (e asy manual operation is performed using hyperterminal) and through the serial peripheral int erface (spi) . refer to the 78m 6631 firmware des cription document for details about the firmware and the use of the cli commands. 1.1 package contents the 78m 6631 eval uation board d emo k it includes: ? 78m 6631 evaluation board ? usb c able assembly usb a - b 28/24 1.8m (tyco/amp 1487588 -3) ? in - circuit emulator (ice) adaptor ? three cts ? cd with d ocumentation 1.2 system requirements the 78m 6631 eval uation board requires use of a pc with the following features: ? pc (1 ghz, 1 gb) with microsoft windows xp ? , windows vista ? , or windows 7 o perating s ystems , equipped with usb port ? minimum 1024 x 768 video display resolution teridian is a trademark of maxim integrated products, inc. windows xp and windows vista are registered trademarks of microsoft corp .
78m6631 evaluation board user manual um_6631_077 6 rev 1 1.3 safety and esd notes exercise caution when live ac volt ages are present! standard esd precautions must be taken when handling electronic equipment. the 78m 6631 contains esd protected interfaces. do not connect test equipment, ice emulators , or external development boards directly to the 78m 6631 hardware. damage to the 78m 6631 and external equipment will occur due to the 78m 6631 s high side refere nce topology. the 78m 6631 s v3p3 (i.e. , high side) is c onnected directly to neutral (earth g round ) creating a ground reference disparity with any properly groun ded external equipment. the board components and firmware settings are designed to operate with the following nominal ac electrical ranges (per phase) : voltage current line frequency 110- 240 v ac 10 ma C 20a 46-64 hz 1.4 firmware demo code introduction the firmware demo code provides the following features: ? m easurement data such as watts, volts, current, var, va, phase angle, power factor, frequency, date/time, and various alarm statuses . the measurements data of voltage, current and power are also avai lable as fundamental and harmonics. ? c ontrol of alarm thresholds , calibration coefficients, temperature compensation , etc. the following setup is used to facilitate performance evaluation between the user at the pc host and the firmware code in the board : ? the command line interface (cli) via hyperterminal or comparable terminal emulator on a different operating system. for information about the cli, see the applicable firmware description document. the 78m 6631 is sh ipped with firmware demo code r evision 1. 0 or later loaded in the 78m 6631 chi p and included on the cd . the code revision can be verified by entering the command >i via the command line in terface. firmware for the demo unit can be updated using either the teridian tfp 2 or a n in - circuit emulator such as the signum systems adm51 ( www.signum.com) . 1.5 testing the 78m 6631 evaluation board prior to shipping before every 78m 6631 evaluation board is shipped, the following procedures have been performed at the factory: ? full calibration C precise energy source equipment is used to calibrate the current and voltage. the temperature is also calibrated at the same time. ? accuracy test C this bench level test ensure s the energy accuracy is within 0.5% .
um_6631_077 78m6631 evaluation board user manual rev 1 7 2 installation 2.1 usb driver installation th is evaluation kit includes an isolated usb interface for serial communications with a pc. the ftdi usb controller ic ft232r performs the usb functions. the ftdi windows driver presents a virtual com port for enabling serial communications. control of the 78m 6631 evaluation board can be managed using a termi nal emulation program. the ftdi windows driver is a certified d river for windows xp, windows vista , or windows 7 operatin g systems . 1. upon attaching the 78m 6631 evaluation board to the pc, the found new hardware wizard automatically launch es and install s the appropriate driver files. if your pc does not find the ftdi driver files on its local hard disk drive, lo cate and reference the ftdi usb driver and utilities sub d irectory on the cd. the ft232 r controller is powered from the usb cable and is active eve n when no ac power is applied to the 78m 6631 evaluation board . note s : if an older ftdi driver has been previously installed, it is recommended to remove the older version before installing this newe r ftdi driver. execute the ftdiclean.exe utility from the ftdi usb driver and utilities subdirectory . for ftdi driver support on other operating systems, please check ftdis website at ( http://www.ftdichip.com/ftdrivers.htm ).
78m6631 evaluation board user manual um_6631_077 8 rev 1 2.2 confirm com port mapping 1. launch the control panel and click on the system icon. 2. the system properties screen appears. click on the hardware tab. click on device manager . under ports (com & lpt) , look for the usb serial port assignment . 3. take note of the com port assignment for the usb serial port . com port:
um_6631_077 78m6631 evaluation board user manual rev 1 9 2.3 b asic connection setup figure 1 shows the basic connections of the 78m 6631 evaluation board for use with external equipment . the 78m 6631 evaluation board is powered through the usb cable. th e same usb cable provides the c ommunications link between the h ost pc and the 78m 6631 evaluation board . the 78m 6631 evaluation board accepts 120 vac and 2 4 0 vac (nominal) up to 300 vac (max) referenced to neutral . figure 1 : 78m 6631 evaluation board connections neutral / v3p3 voltage inputs current inputs (differential) usb port auxiliary 5vdc supply input
78m6631 evaluation board user manual um_6631_077 10 rev 1 2.4 3 - phase system connection the 78m6631 evaluation board supports both wye (3 - phase 4 - wire) and delta (3- phase, 3 wires) configurations. the current transformers are not provided with the evaluation board and must be selected by the customer. a burden resistor ( 12. 4 C value depende nt on ct) can be connected on each phase through dedicated jumpers. particular attention must be placed in configuring the burden resistors as the current transformers can generate high voltage if no burden resistor is present (or if its value is too high) . figure 2 and 3 shows a connection diagram using external burden resistor, in this case the external burden resistor can replace the on - board or used in parallel. a neutral b c load a load b load c a neutral b c j15 (va) j17 (vb) j19 (vc) j14 (v3p3) j13 (icn) j10 (icp) j9 (ibn) j5 (ibp) j4 (ian) j1 (iap) external equipment 78m6631 evaluation board optional optional optional figure 2 : 78m 6631 evaluation board application diagram (wye 3 - phase 4- wires) j15 (va) j17 (vb) j19 (vc) j14 (v3p3) j13 (icn) j10 (icp) j9 (ibn) j5 (ibp) j4 (ian) j1 (iap) a b c load a-c a b c load a-b load b-c external equipment 78m6631 evaluation board optional optional figure 3: 78m6631 evaluation board application diagram ( delta 3 - phase 3 - wires)
um_6631_077 78m6631 evaluation board user manual rev 1 11 2.5 burden resistor selection the 78m6613 evaluation b oard does n ot include surface - mount current transformers (cts) . the cts included with the kit are externally attached to the evaluation board which has the correct value of burden resistor on board. . if using different cts with the evaluation board, i t is important to either disable the on - board burden resistor or change the burden resistor value for optimum signal magnitude in order to utilize the full range of the adc inputs ( 250mv p -p ). 7kh0(ydoxdwlrq%rdugsurylghvdexughquhvlvwruwkdwfdqehlqvhuwhgruhfoxghgxvlqj jumpers j2, j3, j6, j8, j11, and j12. use the equation below to determine if the onboard burden resistor can be used with the selected ct or if another value should be used. at maximum load current (imax), the voltage built up across the burden resistor should not exceed 176 mvrms (250mv p -p ). it is useful to provi de a voltage margin to accommodate transients above imax. for various systems consi derations, it may be necessary to select a burden resistor value lower than the manufacturers recommended value. for most cts, this will not pose a problem. example: a ct with a turn ratio of 2000:1 yields a secondary current of 1/2000 of the primary cur rent. following ohms law, the resulting voltage v across the burden resistor r is: ???? = ????? ? ? ??????? where n is the turns ratio, iload is the primary load current and rburden is the value of the burden resistor. the proper imax value should then be set in the relevant register and the ct must be calibrated for optimal performance. the calibration includes gain adjustment and ct phase error adjustment. refer to the appropriate firmware description document for register addresses, calibration commands, and other information.
78m6631 evaluation board user manual um_6631_077 12 rev 1 2.6 jumpers and switches settings table 1 describes the 7 8m6631 evaluation boa rd jumpers and switches and their settings for different configurations . table 1 : evaluation board jumper s and terminal blocks de scription schematic and silkscreen reference default s etting description use j14 n/a terminal block neutral connection (this terminal block is directly connected to the 3.3vdc supply (v3p3) . j1 n/a terminal block current input phase a positive (lncinp1) j4 n/a terminal block current input phase a negative (lncinn1) j5 n/a terminal block current input phase b positive (lncinp2) j9 n/a terminal block current input phase b negative (lncinn2) j10 n/a terminal block current input phase c positive (lncinp3) j13 n/a terminal block current input phase c negative (lncinn3) j2 2 -3 jumper current input phase a configuration. allows connection of the on - board burden resistor r3 (4.99) or connect (reference) this input to 3.3v. see section 2.5 . j3 2 -3 jumper current input phase a configuration. allows connection of the on - board burden resistor r3 (4.99) or connect (reference) this input to 3.3v. see section 2.5 . j6 2 -3 jumper current input phase b configuration. allows connection of the on - board burden resistor r3 (4.99) or connect (reference) this input to 3.3v. see section 2.5 . j8 2 -3 jumper current input phase b configuration. allows connection of the on - board burden resistor r3 (4.99) or connect (reference) this input to 3.3v. see section 2.5 . j11 2 -3 jumper current input phase c configuration. allows connection of the on - board burden resistor r3 (4.99) or connect (reference) this input to 3.3v. see section 2.5 . j12 2 -3 jumper current input phase c configuration. allows connection of the on - board burden resistor r3 (4.99) or connect (reference) this input to 3.3v. see section 2.5 . j15 n/a terminal block voltage input phase a. (lnvin1). j17 n/a terminal block voltage input phase b. (lnvin2). j19 n/a terminal block voltage input phase c. (lnvin3). j16 not inserted jumper voltage input phase a configuration. allows connection of this input to 3.3vdc supply (v3p3) if this voltage input in not connected/not used. j18 not inserted jumper voltage input phase b configuration. allows connection of this input to 3.3vdc supply (v3p3) if this voltage input in not connected/not used.
um_6631_077 78m6631 evaluation board user manual rev 1 13 schematic and silkscreen reference default s etting description use j20 not inserted jumper voltage input phase c configuration. allows connection of this input to 3.3vdc supply (v3p3) if this voltage input in not connected/not used. j26 2 -3 jumper selection of delta or wye configuration. position 1 - 2 delta configuration. position 2 - 3 wye configuration. j7 not inserted jumper if not inserted the 78m6631 operates in normal condition, if inserted the input v1 comparator (supply under - voltage detection) is disabled, in this condition the wd timer is also disabled. j21 1 -2 jumper/connector vbat input configuration. use as connector for external battery or if battery not present set posit ion 1 - 2 . j35 inserted jumper uart rx connection. remove j35 if external transceiver is used. insert j35 if the on - board usb/uart transceiver is used. j22 not inserted test point i 2 c bus test point . pin 1 = scdc (serial clock) . pin 2 = sdata (data) . j23 inserted jumper connection of led1 (red) if inserted . j25 inserted jumper connection of led2 (yellow) if inserted . j28 inserted jumper connection of led3 (yellow) if inserted . j29 inserted jumper connection of led4 (green) if inserted . j31 inserted jumper connection of led5 (green) if inserted . j32 n/a connector spi port connector C refer to table 2 . j27 n/a connector in - circuit emulator connector C refer to table 3 . j21 1 -2 jumper/connector external battery connector/jumper C refer to table 4 . j36 n/a connector /test point uart external transceiver/test point C refer to table 5 . j33 n/a connector external 5vdc supply C refer to table 6 . j24 n/a connector digital i/o connector C refer to table 7 . j34 n/a connector usb connector C refer to table 11.
78m6631 evaluation board user manual um_6631_077 14 rev 1 j32 spi connector this connector allows the connection of the spi interface . this connector is not isolated. table 2 : j32 evaluation board spi connector position signal description 1 v3p3d 3.3vdc supply 2,4,6,8,10 gnd ground 3 pclk spi clock (input) 5 psdi spi data in (input) 7 psdo spi data out(output) 9 pcsz spi slave select (input) j27 in - circuit emulator (ice) connector this connector allows the connection of the in - circuit emulator. refer to section 2.6 for ice connector adapters and ice selection. table 3 : j27 ice connector position signal description 1 v3p3d 3.3vdc supply 2 rxtx data (input/output) 3 erst emulator reset (input) 5 gnd ground 6 iceen ice port enable (input) j21 external battery connector/jumper this jumper/connector allows the connection of the vbat (78m6631 battery supply input) to an external battery backup. if an external battery in not required/not present, the jumper must be set in position 1 - 2 to connect the vbat input to the on - board 3.3vdc (v3p3) supply. table 4 : j21 external battery connector/jumper position signal description 1 v3p3 3.3vdc supply 2 vbat data (input/output) 3 gnd ground j36 isolated uart signal connector this connector allows an external transceiver to be connected or to provide test points to monitor the uart signals. these signals are galvanically isolated from the 78m6631 circuitry. jumper r35 is used to disconnect the usbrx signal in case an external transceiver is used, in order to avoid contention. table 5 : j36 isolated uart signal connector position signal description 1 iso5v isolated 5vdc supply 2 urx uart rx 3 utx uart tx 4 usbgnd isolated ground
um_6631_077 78m6631 evaluation board user manual rev 1 15 j33 optional 5vdc external supply the 78m6631 evaluation b oard is powered through the usb port (5vdc), however in case the usb port is not connected, the evaluation board can be powered using an external 5vdc power supply, through the connector j33. table 6 : j33 optional 5vdc external su pply position signal description 1 usb5v isolated 5vdc supply 2 isognd isolated ground 3 usbgnd isolated ground j24 digital i/o connection the 78m6631 has several available general purpose digital i/o pins. the following tables show the connection and use of these i/os in the 78m6631 e valuation board. table 7 : j24 digital i/o connector position signal description 1 v3p3 3.3vdc supply 2 dio29 general purpose digital i/o 3 dio30 general purpose digital i/o 4 dio45 general purpose digital i/o 5 dio47 general purpose digital i/o 6 dio51 general purpose digital i/o 7 dio53 general purpose digital i/o 8 dio55 general purpose digital i/o 9 gnd ground tp1, tp2, tp3 digital i/o connections the 78m6631 provides these additional general purpose digital i/o pins . the following tables show the connection and use of these i/os in the 78m6631 evaluation board. table 8 : tp1 digital i/o connector position signal description 1 v3p3 3.3vdc supply 2 dio8 general purpose digital i/o table 9 : tp2 digital i/o connector position signal description 1 v3p3 3.3vdc supply 2 dio9 general purpose digital i/o table 10 : tp3 digital i/o connector position signal description 1 v3p3 3.3vdc supply 2 dio6 general purpose digital i/o
78m6631 evaluation board user manual um_6631_077 16 rev 1 j34 usb port connection the 78m6631 evaluation b oard is equipped with an usb interface. the interface allows the communication to a host (pc etc.) and to provide supply power to the evaluation board. table 11 : j34 usb connector position signal description 1 usb5v 3.3vdc supply 2 usbdm general purpose digital i/o 3 usbdp general purpose digital i/o 4, 5,6 usbgnd general purpose digital i/o ct burden resistor configuration the 78m6631 evaluation b oard requires use of external cts. terminal blocks j1/j4, j5/j9, j10/j13, provide the wiring connectors for these cts. a burden resistor must be used with each ct. the cts manufacturer provides the recommended burden resistor value. the 78m6631 evaluati o n board provides a 12. 4 burden resistor for each pair of termin al blocks. jumpers are provided for each pair of terminal blocks for connection to these on - board burden resistors. additionally, the jumpers provide connection to v3p3 to establish a reference point for the ct . if external burden resistors are used, inst all the following jumpers: j3 - 1/j3-2 j8 - 1/j8-2 j12 - 1/j12-2 j2, j6, j11 have no jumpers. if the on - board resistors are used, install the following jumpers: j3 - 1/j3-2 j3 - 3/j3-4 j8 - 1/j8-2 j8 - 3/j8-4 j12 -1/ j12 -2 j12 - 3/j12-4 j2 - 2/j2-3 j6 - 2/j6-3 j11 - 2/j11-3
um_6631_077 78m6631 evaluation board user manual rev 1 17 2.7 verify serial connection to the pc after connecting the usb cable from the 78m 6631 evaluation board to the host pc, start the hyperterminal application (or another suitable communication program) and create a session using the communication parameters show n in table 1 . table 12 : com port setup parameters setup parameter 78m 6631 port speed (baud) 38400 data bits 8 parity n one stop bits 1 flow control none hyperterminal can be found in windows by selecting start ? all programs ? accessories ? communications ? hyperterminal . the connection parameters are configured by selecting file ? properties . the new connection properties menu appears. select the appropriate com port and c lick configure . the comn properties menu appears. note that p ort parameters can only be adjusted when the connection is not active. it may be necessary to click t he disconnect button to disconnect the port. select com port
78m6631 evaluation board user manual um_6631_077 18 rev 1 ftdi com port trouble -s hooting cli measurement can be displ ayed in two different formats: decimal or hex . both formats are returned as ascii character strings. the following figure uses cli commands to return the same data presented in the auto - reporting mode. refer to the applicable firmware description document f or a complete description of available cli commands and their invocation usage. if the ftdi device driver did not install properly, there would be no assigned c om port number for the ftdi controller. repeat the usb driver installation, see section 2.1. microsoft windows may associate a ball point device to the ftdi usb controller. when this occurs a ftdi device com port assignment is available via hyperterminal but there is no communications data. verify if a ball point device has been added to the human interface devices via the device manager. refer to section 2.2 for access to the device manager. if a ball point device exists, delete it and unplug and replug the evaluation boards usb cable. use ? for decimal format use $ for hex format disconnect
um_6631_077 78m6631 evaluation board user manual rev 1 19 2.8 in - circuit emulator (ice) adaptor the 78m 6631 firmware (stored in internal flash memory) can be updated to accommodate program enhancements. use the signum adm51 or the teridian tfp - 2 to download new firmware to the 78m 6631. the supplied ice adaptor is required to interface the flat ribbon cable (provided with the adm51 or tfp - 2) to the 78m 6631 evaluation board. figure 3 : ice adaptor figure 4 shows how to attach the ice adaptor to the 78m 6631 evaluation boar d. please make note of the orientation of the ice adaptor as to how it attaches to the 78m 6631 evaluation board (v3p3 ice adaptor pin connects to the +v3p3 evaluation board pin). figure 4 : attaching the ice adaptor disconnect the 78m 6631 evaluation board from live ac voltages before connecting the adm51 or tfp -2. an earth ground disparity and high ac voltages are present on the 78m 6631 evaluation board when it is connected to the ac outlet. equipment damage to the 78 m6631 , adm51/tfp - 2 and attached pc may occur when live ac voltages are present on the 78m 6631 evaluation board. refer to the 78m 6631 safety precautions applications note for additional information. it is recommended to always use the supplied flat ribbon cable. do not use discrete wires in place of the flat ribbon. poor signal integrity will cause flash memory programming errors. additional adaptors and flat ribbon cables can be ordered through maxims teridian customer service . power to the 78m 6631 is provided via the usb cable. attach the usb cable during programming.
78m6631 evaluation board user manual um_6631_077 20 rev 1 3 schematics, bill of materials and pcb layouts this section includes the schematics, bill of materials and pcb layouts for the 78m 6631 evalu ation board . 3.1 78m 6631 evaluation board schematics figure 5 : 78m 6631 evaluation board electrical schematic (1 of 3 ) j2 con4 sip100p4 1 2 3 4 c13 0.1uf 0603 r15 750 0603 c14 1000pf 0603 r18 750 0603 c17 0.1uf 0603 lncinn3 lncurn3 c18 1000pf 0603 v3p3 v3p3 j10 con4 sterm ms 534-8191 1 2 3 4 j13 con4 sterm ms 534-8191 1 2 3 4 r2 750 0603 c1 0.1uf 0603 to external line3 ct lncurp3 c2 1000pf 0603 r3 4.99 1% 1210 ms 660-sr732ette4r99f r5 750 0603 c3 0.1uf 0603 c4 1000pf 0603 lncurn1 title size document number rev date: sheet of 78m6631p56ebv 1 1 78m6631-56 three phase dev elopment board teridian maxim-ic b 1 3 tuesday , march 15, 2011 j8 con4 sip100p4 1 2 3 4 j6 con4 sip100p4 1 2 3 4 v3p3 v3p3 v3p3 mt2 ms 561-ps500a mtgps.prt mt4 ms 561-ps500a mtgps.prt mt3 ms 561-ps500a mtgps.prt mt1 ms 561-ps500a mtgps.prt logo2 1 . v3p3 j7 con2 sip100p2 1 2 v3p3 u1-1 78m6631-56tqfn tqfn56 v3p3a 42 iap 51 ian 50 ibn 48 ibp 49 vref 52 icn 46 icp 47 v1 53 gnda 41 va 45 vc 43 xi n 54 xo u t 56 vb 44 j1 con4 sterm ms 534-8191 1 2 3 4 j3 con4 sip100p4 1 2 3 4 gnd lncinn2 lncinp2 lncinn1 j4 con4 sterm ms 534-8191 1 2 3 4 r24 1m 0.1% 1206w r23 1m 0.1% 1206w ms 660-rn732bttd1004b25 c22 1000pf 0603 c24 1000pf 0603 r27 1m 0.1% 1206w c21 0.1uf 0603 c23 0.1uf 0603 j18 con2 sip100p2 1 2 j20 con2 sip100p2 1 2 v3p3 v3p3 v3p3 line1 line3 line2 r26 1m 0.1% 1206w ms 660-rn732bttd1004b25 lnvin1 j15 con4 sterm ms 534-8191 1 2 3 4 neutral/white lnvin2 j17 con4 sterm ms 534-8191 1 2 3 4 j19 con4 sterm ms 534-8191 1 2 3 4 lnvin3 r21 1m 0.1% 1206w lnvolt2 r20 1m 0.1% 1206w ms 660-rn732bttd1004b25 r19 750 0.1% 0603 c20 1000pf 0603 v3p3 v3p3 v3p3 j14 con4 sterm ms 534-8191 1 2 3 4 v3p3 lnvolt3 v3p3 v3p3 r22 750 0.1% 0603 lnvolt1 r25 750 0.1% 0603 j16 con2 sip100p2 1 2 c19 0.1uf 0603 r8 4.99 1% 1210 ms 660-sr732ette4r99f v3p3 r16 4.99 1% 1210 ms 660-sr732ette4r99f gnd v1 gnd vref gnd gnd c12 100pf 0603 xo u t xi n r13 20.0k 1% 0603 c16 9pf 0603 c15 33pf 0603 r11 2k 0603 r9 16.9k 1% 0603 c9 nc 0603 y1 32.768khz cm200sv2 535-9166-1-nd 1 4 v3p3 c8 0.1uf 0603 c7 10uf 0805 445-3458-1-nd gnd teridian-maxim v3p3 logo1 1 warning v3p3 v3p3 j12 con4 sip100p4 1 2 3 4 lncurp1 j11 con4 sip100p4 1 2 3 4 v3p3 v3p3 v3p3 r1 10k 0603 lncinp1 r4 10k 0603 to external line1 ct r6 10k 0603 lncinp3 r10 10k 0603 r14 10k 0603 c5 0.1uf 0603 r7 750 0603 c6 1000pf 0603 c10 0.1uf 0603 r12 750 0603 c11 1000pf 0603 v3p3 lncurn2 v3p3 j5 con4 sterm ms 534-8191 1 2 3 4 r17 10k 0603 j9 con4 sterm ms 534-8191 1 2 3 4 to external line2 ct lncurp2
um_6631_077 78m6631 evaluation board user manual rev 1 21 figure 6 : 78m 6631 evaluation board electrical schematic (2 of 3 ) title size document number rev date: sheet of 78m6631p56ebv 1 1 78m6631-56 three phase dev elopment board teridian maxim-ic b 2 3 tuesday , march 15, 2011 v3p3d r xd r38 10k 0603 tp1 sip100p2 con2 1 2 dio11 v3p3 . dio30 pclk dio17 gnd r42 10k 0603 dio29 dio24 psdi external battery psdo gnd not isolated status leds led2 sip100p2 led ms 606-4300h7lc 1 2 r35 470 0603 v3p3 j25 con2 sip100p2 1 2 led3 sip100p2 led ms 606-4300h7lc 1 2 v3p3 r36 470 0603 j28 con2 sip100p2 1 2 led4 sip100p2 led ms 606-4300h5lc 1 2 pcsz j29 con2 sip100p2 1 2 v3p3 r40 470 0603 r34 470 0603 led1 sip100p2 led ms 606-4300h1lc 1 2 v3p3 j23 con2 sip100p2 1 2 led5 sip100p2 led ms 606-4300h5lc 1 2 v3p3 r41 470 0603 j31 con2 sip100p2 1 2 tp2 sip100p2 con2 1 2 r39 10k 0603 dio9 j24 con9 sip100p9 1 2 3 4 5 6 7 8 9 j32 spi dip100p10 1 2 3 4 5 6 7 8 9 10 gnd r30 10k 0603 txd gnd c29 0.1uf 0603 tp3 sip100p2 con2 1 2 r xd u2 ser eeprom so8-narrow 24lc01bt-i/snct-nd a0 1 a1 2 a2 3 gnd 4 sda 5 scl 6 wp 7 vcc 8 j21 con3 sip100p3 1 2 3 dio6 txd j30 con4 sip100p4 1 2 3 4 dio47 cktst v3p3 gnd r37 330 0603 gnd gnd iceen v3p3 gnd gnd u1-2 78m6631-56tqfn tqfn56 dio51 26 gndd7 18 reset 39 v3p3d 8 e r xtx 4 dio17 13 dio3 14 erst 1 etc lk 2 dio8 33 gndd6 17 rx 37 dio24 25 dio53 27 dio55 28 tx 6 dio45 22 vbat 38 cktest 9 gndd3 40 psdi 20 gndd1 3 gndd4 55 dio4/sdk 30 pcsz 12 psdo 11 pclk 7 gndd2 23 icee 29 v3p3sys 10 d/y 35 gndd5 16 dio5/sdata 31 dio25 24 dio11 36 dio47 15 dio9 34 dio6 32 dio30 21 tmu xou t 5 dio29 19 gnd r31 1k 0603 gnd gnd gnd c30 1000pf 0603 tc lk r xtx erst v3p3 j27 ice sip100p6 1 2 3 4 5 6 dio8 tmu x v3p3 green r29 10k 0603 green y ellow v3p3 y ellow v3p3d red j22 con2 sip100p2 1 2 v3p3d dio25 v3p3d gnd c26 0.1uf 0603 j26 con3 sip100p3 1 2 3 must use isolated usb hub r46 100 0603 dy dio45 c25 0.1uf 0603 r28 10k 0603 gnd dio55 dio53 r33 100 0603 gnd c28 0.1uf 0603 sw1 ep11a ep11a ms 611-ep11-003 gnd r32 1k 0603 reset dio51 vbat gnd c27 0.1uf 0603 sdck v3p3d sda dio3
78m6631 evaluation board user manual um_6631_077 22 rev 1 figure 7 : 78m6631 evaluation board electrical schematic (3 of 3) j33 weco tst rapc712a ms 502-rapc712 1 2 3 vr1 max5091basa+ soic8 max5091basa+-nd en 3 vout 8 vin 1 res 6 gnd 5 si 2 ct 4 so 7 v3p3 c33 0.1uf 0603 c35 0.1uf 0603 c32 10uf 0805 445-3458-1-nd gnd c34 10uf 0805 445-3458-1-nd c36 0.1uf 0603 optional +5v wall-wart gnd gnd urx j35 sip100p2 con2 1 2 txd r xd j34 usb-b usbb ms 154-2442-e 1 2 3 4 5 6 usb5v usbrx gnd usbdm v3p3 usbdp u4 adum3201 adum3201 adum3201arz-nd voa 2 v1 1 nd1 4 v2 8 via 7 g2 5 vib 3 vob 6 usbtx iso5v c38 4.7uf 1206p usbgnd c39 0.1uf 0603 mouser 571-1487588-2 1.5m a/b white cable isolated usb interface j36 con4 sip100p4 1 2 3 4 r43 0 0603 r45 10k 0603 u tx c37 0.1uf 0603 r44 0 0603 r xd title size document number rev date: sheet of 78m6631p56ebv 1 1 78m6631-56 three phase dev elopment board teridian maxim-ic b 3 3 tuesday , march 15, 2011 c31 0.1uf 0603 vr2 vbt1-5v vbt1 102-1397-2-nd nc1 3 vout 5 vin 2 vgnd 4 gnd 1 nc2 6 nc3 7 nc4 8 . u3 28-ssop 768-1007-1-nd vcc 20 usbdm 16 usbdp 15 vccio 4 nc1 8 resetb 19 osci 27 r xd 5 r ts 3 c ts 11 d tr 2 dsr 9 ri 6 cbus0 23 txd 1 osco 28 cbus1 22 cbus2 13 cbus3 14 cbus4 12 3v3out 17 agnd 25 gnd1 7 gnd2 18 gnd3 21 test 26 nc2 24 dcd 10 txd
um_6631_077 78m6631 evaluation board user manual rev 1 23 3.2 78m 6631 evaluation board bill of materials table 13 : 78m6631 evaluation board bill of materials item quantity reference part pcb footprint manufacturer pn manufacturer 1 21 c1,c3,c5,c8,c10,c13,c17, c19,c21,c23,c25,c26,c27, c28,c29,c31,c33,c35,c36, c37,c39 0.1 f 0603 grm188r71h104ka93d murata electronics 2 10 c2,c4,c6,c11,c14,c18,c20, c22,c24,c30 1000pf 0603 c1608x7r2a102k tdk corporation 3 3 c7,c32,c34 10 f 0805 c2012y5v1c106z tdk corporation 4 1 c9 nc 0603 5 1 c12 100pf 0603 c1608c0g1h101j tdk corporation 6 1 c15 33pf 0603 c0603c330j5gactu kemet 7 1 c16 9pf 0603 c1608c0g1h090c tdk corporation 8 1 c38 4.7 f 1206p tpsb475k016r1500 avx corporation 9 10 j1,j4,j5,j9,j10,j13,j14, j15,j17,j19 con4 sterm 8191 keystone electronics 10 8 j2,j3,j6,j8,j11,j12,j30, j36 con4 sip100p4 pbc36saan sullins connector solutions 11 14 tp1,tp2,tp3,j7,j16,j18, j20,j22,j23,j25,j28,j29, j31,j35 con2 sip100p2 pbc36saan sullins connector solutions 12 2 j21,j26 con3 sip100p3 pbc36saan sullins connector solutions 13 1 j24 con9 sip100p9 pbc36saan sullins connector solutions 14 1 j27 ice sip100p6 pbc36saan sullins connector solutions 15 1 j32 spi dip100p10 929665- 01- 36 - i 3m 16 1 j33 weco tst rapc712a rapc712x switchcraft 17 1 j34 usb - b usbb 154- 2442 - e kobiconn 18 1 led1 led sip100p2 4300h1lc chicago miniature 19 2 led2,led3 led sip100p2 4300h7lc chicago miniature 20 2 led4,led5 led sip100p2 606 - 4300h5lc chicago miniature 21 1 logo1 silk warning
78m6631 evaluation board user manual um_6631_077 24 rev 1 item quantity reference part pcb footprint manufacturer pn manufacturer 22 1 logo2 silk logo teridian_maxim 23 4 mt1,mt2,mt3,mt4 tp mtgps.prt 561- ps500a eagle plastic devices 24 13 r1,r4,r6,r10,r14,r17,r28, r29,r30,r38,r39,r42,r45 10k 0603 erj - 3ekf1002v panasonic - ecg 25 6 r2,r5,r7,r12,r15,r18 750 5% 0603 erj - 3geyj751v panasonic - ecg 26 3 r3,r8,r16 12.4 1% 1210 ms 71 - crcw1210 - 12.4 - e3 koa speer 27 1 r9 16.9k 1% 0603 erj - 3ekf1692v panasonic - ecg 28 1 r11 2k 0603 erj - 3geyj202v panasonic - ecg 29 1 r13 20.0k 1% 0603 erj - 3ekf2002v panasonic - ecg 30 3 r19,r22,r25 750 0.1% 0603 era - 3yeb751v panasonic - ecg 31 6 r20,r21,r23,r24,r26,r27 1m 0.1% 1206w rn732bttd1004b25 koa speer 32 2 r31,r32 1k 0603 erj - 3ekf1001v panasonic - ecg 33 2 r33,r46 100 0603 erj - 3geyj101v panasonic - ecg 34 5 r34,r35,r36,r40,r41 470 0603 erj - 3geyj471v panasonic - ecg 35 1 r37 330 0603 erj - 3ekf3300v panasonic - ecg 36 2 r43,r44 0 0603 erj - 3gey0r00v panasonic - ecg 37 1 sw1 ep11a through hole ep11sd1cbe c&k components 38 1 u1 78m6631 - 56tqfn tqfn56 78m6831 maxim integrated products 39 1 u2 ser eeprom 8 - soic 24lc01b - i/sn microchip technology 40 1 u3 ft232qfn32 28- ssop ft232rl - reel ftdi 41 1 u4 adum3201 8 - soic adum3201arz analog devices inc 42 1 vr1 max5091bas a+ 8 - soicn max5091basa+ maxim integrated products 43 1 vr2 vbt1 - 5v 8 - smd vbt1 - s5 - s5 - smt v - infinity 44 1 y1 32.768khz 4 - soj abs25 - 32.768khz - t abracon corporation
um_6631_077 78m6631 evaluation board user manual rev 1 25 3.3 78m 6631 evaluation board pcb layouts f igure 8 : 78m 6631 evaluation board pcb top vi ew figure 9 : 78m 6631 evaluation board pcb bottom view
78m6631 evaluation board user manual um_6631_077 26 rev 1 4 ordering information part type 7 8m6631 -evm-1 78m6631 evaluation board 5 includ ed documentation the following 78m 6631 documents are included on the cd: 78m 6631 data sheet 6 contact information for more information about maxim products or to check the availability of the 78m 6631, contact technical support at www.maxim - ic.com/support . revision history revision number revision date description pages changed 0 7/11 initial release 1 12/11 in figure 2 and figure 3, indicated optional resistors. changed the flow control to none. 10 17

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