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TPS3513 www.ti.com slvs313b ? february 2001 ? revised september 2010 pc power supply supervisor check for samples: TPS3513 1 features ? overvoltage protection and lockout for 12 v, 5 v, and 3.3 v ? overcurrent protection and lockout for 12 v, 5 v, and 3.3 v ? undervoltage protection and lockout for 12 v, and undervoltage detect for 5 v and 3.3 v ? fault-protection output with open drain output stage ? open-drain, power good output signal for power-good input, 3.3 v and 5 v ? 300-ms power-good delay description ? 75-ms delay for 5-v and 3.3-v power supply short-circuit turnon protection the TPS3513 is designed to optimize pc switching power supply system with minimum external ? 2.3 ms pson control to fpo turnoff delay components. it provides undervoltage lockout ? 38 ms pson control debounce (uvlo), protection circuits, power good indicator, and ? wide supply voltage range from 4.5 v on/off control. to 15 v typical application 1 please be aware that an important notice concerning availability, standard warranty, and use in critical applications of texas instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. production data information is current as of publication date. copyright ? 2001 ? 2010, texas instruments incorporated products conform to specifications per the terms of the texas instruments standard warranty. production processing does not necessarily include testing of all parameters. 12 3 4 5 6 7 1413 12 11 10 98 pgi gnd fpo pson is12 ri nc pgov dd vs5vs33 vs12 is33 is5 d or n p ackage (t op view) nc no internal connection pgignd fpo pson is12ri nc pgo v dd vs5 vs33vs12 is33 is5 5 v3.3 v 12 v TPS3513 560 w 56 k w r2 w r1 w 470 k w 1 k w 820 w 1.5 k w 0.01 w 0.01 w 0.01 w i o 5 v vsb 12 v 5 v 3.3 v 5 v vsb pg from t ransformer system side power supplyoutput side max output current over current protection t rip point 2 12 v 5 v 3.3 v 6 a 16 a 9 a 9.2 a 24.6 a13.5 a 2 over current protection trip point can be programmable.
TPS3513 slvs313b ? february 2001 ? revised september 2010 www.ti.com this integrated circuit can be damaged by esd. texas instruments recommends that all integrated circuits be handled with appropriate precautions. failure to observe proper handling and installation procedures can cause damage. esd damage can range from subtle performance degradation to complete device failure. precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. description (continued) uvlo thresholds are 4.45 v (on) and 3.65 v (off). overcurrent protection (ocp) and overvoltage protection (ovp) monitor 3.3 v, 5 v, and 12 v. when an oc or ov condition is detected, the power-good output (pgo) is asserted low and the fault protection output ( fpo) is latched high. pson from low-to-high resets the latch. the ocp function will be enabled 75 ms after pson goes low, and a debounce of typically 38 ms. a built-in 2.3-ms delay with 38-ms debounce from pson to fpo output is enabled at turnoff. an external resistor is connected between the ri pin and the gnd pin. this will introduce an accurate i (ref) for ocp function. the i (ref) range is from 12.5 a to 62.5 a. the formula for choosing ri resistor is v (ri) /i (ref) . three ocp comparators and the i (ref) section are supplied by vs12. the current draw from the vs12 pin is less than 1 ma. the power good feature monitors pgi, 3.3 v and 5 v, and issues a power good signal when the output is ready. the TPS3513 is characterized for operation from ? 40 c to 85 c. table 1. function table (1) uv condition uv condition 12 v pgi pson ov conditions fpo pgo 3.3 v / 5 v oc conditions < 0.9 v l no no no l l < 0.9 v l no no yes l l < 0.9 v l no yes no h l < 0.9 v l no yes yes h l < 0.9 v l yes no no l l < 0.9 v l yes no yes l l < 0.9 v l yes yes no h l < 0.9 v l yes yes yes h l 1.0 v < pgi < 1.1 v l no no no l l 1.0 v < pgi < 1.1 v l no no yes h l 1.0 v < pgi < 1.1 v l no yes no h l 1.0 v < pgi < 1.1 v l no yes yes h l 1.0 v < pgi < 1.1 v l yes no no l l 1.0 v < pgi < 1.1 v l yes no yes h l 1.0 v < pgi < 1.1 v l yes yes no h l 1.0 v < pgi < 1.1 v l yes yes yes h l > 1.2 v l no no no l h > 1.2 v l no no yes h l > 1.2 v l no yes no h l > 1.2 v l no yes yes h l > 1.2 v l yes no no l l > 1.2 v l yes no yes h l > 1.2 v l yes yes no h l > 1.2 v l yes yes yes h l x h x x x h l (1) x = don ' t care, fpo = l means: fault is not latched, fpo = h means: fault is latched, pgo = l means: fault, pgo = h means: no fault 2 submit documentation feedback copyright ? 2001 ? 2010, texas instruments incorporated product folder link(s): TPS3513
TPS3513 www.ti.com slvs313b ? february 2001 ? revised september 2010 schematic copyright ? 2001 ? 2010, texas instruments incorporated submit documentation feedback 3 product folder link(s): TPS3513 0.95 v
TPS3513 slvs313b ? february 2001 ? revised september 2010 www.ti.com timing requirements figure 1. ac turnon and overvoltage protect figure 2. overcurrent and undervoltage detect/protect 4 submit documentation feedback copyright ? 2001 ? 2010, texas instruments incorporated product folder link(s): TPS3513 fpo ocp occurs 300 ms 3.3-v or 5-v drop 300 ms 38 ms 300 ms 12-v uvp occurs 38 ms 300 ms v dd pson fpo pgi 3.3 v/5 v 12 v pgo
TPS3513 www.ti.com slvs313b ? february 2001 ? revised september 2010 terminal functions terminal i/o description name no. fpo 3 o inverted fault protection output, open-drain, output stage. a low level indicates that the fault is not latched, while floating indicates that the fault is latched. gnd 2 ground is12 5 i 12-v overcurrent protection is5 8 i 5-v overcurrent protection is33 9 i 3.3-v overcurrent protection nc 7 no internal connection pgi 1 i power-good input. a low level indicates that power is not good, while a high ( > 1.2v) indicates that power is good. pgo 14 o power-good output, open drain output stage. a low level indicates that power is not good, while floating indicates that power is good. pson 4 i on/off control. pull low to enable the pc power supply; float to disable it. ri 6 i current sense setting v dd 13 i supply voltage vs12 10 i 12-v overvoltage/undervoltage protection vs33 11 i 3.3-v overvoltage protect/undervoltage detect vs5 12 i 5-v overvoltage protect/undervoltage detect detailed description power-good and power-good delay a pc power supply is commonly designed to provide a power-good signal, which is defined by the computer manufacturers. pgo is a power-good signal and should be asserted high by the pc power supply to indicate that the 5-vdc and 3.3-vdc outputs are above the undervoltage threshold limit. at this time the converter should be able to provide enough power to assure continuous operation within the specification. conversely, when either the 5-vdc or the 3.3-vdc output voltages fall below the undervoltage threshold, or when main power has been removed for a sufficiently long time so that power supply operation is no longer assured, pgo should be deasserted to a low state. the power-good (pgo), dc enable ( pson), and the 5-v/3.3-v supply rails are shown in figure 3 . figure 3. timing of pson and pgo although there is no requirement to meet specific timing parameters, the following signal timings are recommended: 2 ms t2 20 ms, 100 ms < t3 < 2000 ms, t4 > 1 ms, t5 10 ms furthermore, motherboards should be designed to comply with the above recommended timing. if timings other than these are implemented or required, this information should be clearly specified. copyright ? 2001 ? 2010, texas instruments incorporated submit documentation feedback 5 product folder link(s): TPS3513
TPS3513 slvs313b ? february 2001 ? revised september 2010 www.ti.com the TPS3513 family of power-supply supervisors provides a power-good output (pgo) for the 3.3-v and 5-v supply voltage rails and a separate power-good input (pgi). an internal timer is used to generate a 300-ms power-good delay. if the voltage signals at pgi, vs33, and vs5 rise above the undervoltage threshold, the open-drain, power-good output (pgo) will go high after a delay of 300 ms. when the pgi voltage or any of the 3.3-v, 5-v rail drops below the undervoltage threshold, pgo will be disabled immediately. power-supply remote on/off ( pson) and fault protect output ( fpo) since the latest personal computer generation focuses on easy turnon and power saving functions, the pc power supply will require two characteristics. one is a dc power supply remote on/off function; the other is standby voltage to achieve very low power consumption of the pc system. thus, the main power needs to be shut down. the power supply remote on/off ( pson) is an active-low signal that turns on all of the main power rails including the 3.3-v, 5-v, -5-v, and -12-v power rails. when this signal is held high by the pc motherboard or left open circuited, the signal of the fault protect output ( fpo) also goes high. thus, the main power rails should not deliver current and should be held at 0 v. when the fpo signal is held high due to an occurring fault condition, the fault status will be latched and the outputs of the main power rails should not deliver current and should be held at 0 v. toggling the power-supply remote on/off ( pson) from low-to-high will reset the fault-protection latch. during this fault condition only the standby power is not affected. when pson goes from high to low or low-to-high, the 38-ms debounce block will be active to avoid that a glitch on the input will disable/enable the fpo output. during this period, the undervoltage function is disabled to prevent turnon failure. power should be delivered to the rails only if the pson signal is held at ground potential, thus, fpo is active low. the fpo pin can be connected to 5 vdc (or up to 15 vdc) through a pullup resistor. under-voltage protection the TPS3513 provides undervoltage protection (uvp) for the 12-v rail and undervoltage detect for the 3.3-v and 5-v rails. when an undervoltage condition appears at the vs12 input pin for more than 150 s, the fpo output goes high and pgo goes low. also, this fault condition will be latched until pson is toggled from low-to-high or vdd is removed. in flyback or forward type off-line switching power supplies, usually designed for small power, the overload protection design is very simple. most of these type of power supplies are only sensing the input current for an overload condition. the trigger-point needs to be set much higher than the maximum load in order to prevent false turnon. however, this will cause one critical issue. in case that the connected load is larger than the maximum allowable load but smaller than the trigger-point, the system will always become over-heated and cause failure and damage. overcurrent protection in bridge or forward type, off-line switching power supplies, usually designed for medium to large power, the overload protection design needs to be very precise. most of these types of power supplies are sensing the output current for an overload condition. the trigger-point needs to be set higher than the maximum load in order to prevent false turnon. the TPS3513 provides overcurrent protection (ocp) for the 3.3-v, 5-v, and 12-v rails. when an over current condition appears at the ocp comparator input pins for more than 73 s, the fpo output goes high and pgo goes low. also, this fault condition will be latched until pson is toggled from low-to-high or vdd is removed. the resistor connected between the ri pin and the gnd pin will introduce an accurate i (ref) for the ocp function. of course, a more accurate resistor tolerance will be better. the formula for choosing the ri resistor is v (ri) /i (ref) . the i (ref) range is from 12.5 a to 62.5 ma. three ocp comparators and the i (ref) section are supplied by vs12. current drawn from the vs12 pin is less than 1 ma. following is an example on calculating ocp for the 12-v rail: ri = v (ri) /i (ref) = 1.15 v/20 a = 56 k ? 6 submit documentation feedback copyright ? 2001 ? 2010, texas instruments incorporated product folder link(s): TPS3513
TPS3513 www.ti.com slvs313b ? february 2001 ? revised september 2010 i (ref) x c x r (is12) = r (sense) x i (ocp_trip) i (ocp_trip) = 20 a x 8 x 560 ? /0.01 ? = 9.2 a c = current ratio (see recommended operating conditions) overvoltage protection the overvoltage protection (ovp) of the TPS3513 monitors 3.3 v, 5 v, and 12 v. when an overvoltage condition appears at one of the 3.3-v, 5-v, or 12-v input pins for more than 73 s, the fpo output goes high and pgo goes low. also, this fault condition will be latched until pson is toggled from low-to-high or vdd is removed. during fault conditions, most power supplies have the potential to deliver higher output voltages than those normally specified or required. in unprotected equipment, it is possible for output voltages to be high enough to cause internal or external damage of the system. to protect the system under these abnormal conditions, it is common practice to provide overvoltage protection within the power supply. absolute maximum ratings over operating free-air temperature range (unless otherwise noted) (1) unit v dd supply voltage (2) 16 v input voltage (2) pson, is5, is33, pgi 8 v v i input voltage vs33, vs5 16 v fpo v dd + 0.3 v or 16 v (whichever is less) v o output voltage pgo v dd + 0.3 v or 8 v (whichever is less) all other pins (2) ? 0.3 v to 16 v continuous total power dissipation see dissipation rating table t a operating free-air temperature range ? 40 c to 85 c t stg storage temperature range ? 65 c to 150 c soldering temperature 260 c (1) stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. these are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating condition s is not implied. exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. (2) all voltage values are with respect to gnd. dissipation rating table t a 25 c derating factor t a = 70 c t a = 85 c package power rating above t a = 25 c power rating power rating d 956 mw 7.65 mw/ c 612 mw 497 mw n 1512 mw 12.1 mw/ c 968 mw 786 mw copyright ? 2001 ? 2010, texas instruments incorporated submit documentation feedback 7 product folder link(s): TPS3513
TPS3513 slvs313b ? february 2001 ? revised september 2010 www.ti.com recommended operating conditions at specified temperature range min max unit v dd supply voltage 4.5 15 v pson, vs5, vs33, is5, is33 7 v vs12, is12 15 v i input voltage v dd + 0.3 v pgi v (max = 7 v) fpo 15 v o output voltage v pgo 7 fpo 20 i o(sink) output sink current ma pgo 10 t r supply voltage rising time see (1) 1 ms i o(ri) output current ri 12.5 62.5 a t a operating free-air temperature range 40 85 c (1) v dd rising and falling slew rate must be less than 14v/ms. electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) parameter test conditions min typ max unit over-voltage protection and over-current protection vs33 3.7 3.9 4.1 overvoltage threshold vs5 5.7 6.1 6.5 v vs12 13.2 13.8 14.4 ratio of current sense sink current to current sense i (ref) resistor at ri = 30 k ? , 0.1% resistor 7.6 8 8.4 setting pin (ri) source current i lkg leakage current ( fpo) v ( fpo) = 5 v 5 a v ol low-level output voltage ( fpo) i (sink) = 20 ma, v dd = 5 v 0.7 v noise deglitch time ovp v dd = 5 v 35 73 110 s v (ri) current source reference voltage v dd = 5 v 1.1 1.15 1.2 v undervoltage lockout section start threshold voltage 4.45 v minimum operation voltage after start-up 3.65 v pgi and pgo pgi1 1.10 1.15 1.20 v it(pgi) input threshold voltage v pgi2 0.9 0.95 1 vs33 2 2.2 2.4 undervoltage threshold vs5 3.3 3.5 3.7 v vs12 8.5 9 9.5 input offset voltage for ocp comparators 5 5 mv i lkg leakage current (pgo) pgo = 5 v 5 a v ol low-level output voltage (pgo) i (sink) = 10 ma, v dd = 4.5 v 0.4 v short-circuit protection delay 3.3 v, 5 v 49 75 114 ms pgi to pgo v dd = 5 v 200 300 450 t d(1) delay time ms pgi to fpo 3.2 4.8 7.2 pgi to pgo v dd = 5 v 88 150 225 noise deglitch time pgi to fpo s 12-v uvp to fpo pson control i i input pullup current pson = 0 v 120 a 8 submit documentation feedback copyright ? 2001 ? 2010, texas instruments incorporated product folder link(s): TPS3513
TPS3513 www.ti.com slvs313b ? february 2001 ? revised september 2010 electrical characteristics (continued) over recommended operating free-air temperature range (unless otherwise noted) parameter test conditions min typ max unit v ih high-level input voltage 2.4 v v il low-level input voltage 1.2 v t (b) debounce time ( pson) v dd = 5 v 24 38 57 ms t d(2) delay time ( pson to fpo) v dd = 5 v t b +1.1 t b +2.3 t b +4 ms total device i dd supply current pson = 5 v 1 ma copyright ? 2001 ? 2010, texas instruments incorporated submit documentation feedback 9 product folder link(s): TPS3513
TPS3513 slvs313b ? february 2001 ? revised september 2010 www.ti.com typical characteristics supply current input current ( pson) vs vs supply voltage input voltage ( pson) figure 4. figure 5. low-level output voltage ( fpo) low-level output voltage ( fpo) vs vs low-level output current ( fpo) low-level output current ( fpo) figure 6. figure 7. 10 submit documentation feedback copyright ? 2001 ? 2010, texas instruments incorporated product folder link(s): TPS3513 v dd = 4 v pson = gnd 21 0 0 20 40 60 80 120 ? low-level output v oltage ? v 3 4 100 i ol ? low-level output current ? ma v ol t a = ?40 c t a = 85 c t a = 25 c t a = 0 c 400200 ?100?300 0 2.5 5 7.5 15 ? supply current ? 300100 0 ?200 10 12.5 i dd a m v dd ? supply v oltage ? v pgi = 1.4 vpson = 5 v t a = ?40 c t a = 85 c t a = 25 c t a = 0 c ?60 ?100 0 1 2 3 6 7 ?20 20 0 ?40?80 ?120?140 4 5 v i ? input v oltage ? v i i ? input current ? a m t a = ?40 c t a = 0 c t a = 25 c t a = 85 c v dd = 4 v 400200 0 0 5 10 15 20 ? low-level output v oltage ? mv 600 800 25 i ol ? low-level output current ? ma v ol t a = ?40 c t a = 85 c t a = 25 c v dd = 4 v pson = gnd exploded v iew t a = 0 c 300100 500 700
TPS3513 www.ti.com slvs313b ? february 2001 ? revised september 2010 typical characteristics (continued) low-level output voltage (pgo) low-level output voltage (pgo) vs vs low-level output current (pgo) low-level output current (pgo) figure 8. figure 9. normalized sense threshold voltage current ratio vs vs free-air temperature at v dd free-air temperature figure 10. figure 11. copyright ? 2001 ? 2010, texas instruments incorporated submit documentation feedback 11 product folder link(s): TPS3513 v dd = 4 v pson = gnd 21 0 0 25 50 75 100 150 ? low-level output v oltage ? v 3 4 125 i ol ? low-level output current ? ma v ol t a = ?40 c t a = 0 c t a = 85 c t a = 25 c 400200 0 0 5 10 15 20 ? low-level output v oltage ? mv 600 i ol ? low-level output current ? ma v ol t a = ?40 c t a = 85 c t a = 25 c v dd = 4 v pson = gnd exploded v iew t a = 0 c 300100 500 7.95 7.96 7.97 7.98 7.99 8 ?40 ?20 0 20 40 60 80 current ratio t a ? free-air t emperature ? c r i = 30 k w i (is5) i (ref) 0.994 ?40 ?15 10 35 0.996 0.997 0.999 60 85 0.9980.995 c t a ? free-air t emperature ? c 1.001 1 v dd = 4 v pson = gnd normalized input threshold v oltage ? vit(t a)/vit(25 )
TPS3513 slvs313b ? february 2001 ? revised september 2010 www.ti.com revision history note: page numbers of current version may differ from previous versions. changes from revision a (june 2005) to revision b page ? deleted space between ov in the ov conditions column of function table. also changed 2 h ' s in fpo column to l ' s (5th row from bottom and 13th row from bottom) ........................................................................................................... 2 ? changed schematic, figure 1, and figure 3 image objects. ................................................................................................ 3 ? added text to descriptions for fpo, pgi, pgo, and pson pins for clarification. ................................................................ 5 ? changed t b+1.1 in min column, delay time row to t b +1.1 ....................................................................................................... 9 12 submit documentation feedback copyright ? 2001 ? 2010, texas instruments incorporated product folder link(s): TPS3513
package option addendum www.ti.com 10-jun-2014 addendum-page 1 packaging information orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish (6) msl peak temp (3) op temp (c) device marking (4/5) samples TPS3513d active soic d 14 50 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 TPS3513d TPS3513dr active soic d 14 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 TPS3513d TPS3513drg4 active soic d 14 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 TPS3513d TPS3513n active pdip n 14 25 pb-free (rohs) cu nipdau n / a for pkg type -40 to 85 TPS3513n (1) the marketing status values are defined as follows: active: product device recommended for new designs. lifebuy: ti has announced that the device will be discontinued, and a lifetime-buy period is in effect. nrnd: not recommended for new designs. device is in production to support existing customers, but ti does not recommend using this part in a new design. preview: device has been announced but is not in production. samples may or may not be available. obsolete: ti has discontinued the production of the device. (2) eco plan - the planned eco-friendly classification: pb-free (rohs), pb-free (rohs exempt), or green (rohs & no sb/br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. tbd: the pb-free/green conversion plan has not been defined. pb-free (rohs): ti's terms "lead-free" or "pb-free" mean semiconductor products that are compatible with the current rohs requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. where designed to be soldered at high temperatures, ti pb-free products are suitable for use in specified lead-free processes. pb-free (rohs exempt): this component has a rohs exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. the component is otherwise considered pb-free (rohs compatible) as defined above. green (rohs & no sb/br): ti defines "green" to mean pb-free (rohs compatible), and free of bromine (br) and antimony (sb) based flame retardants (br or sb do not exceed 0.1% by weight in homogeneous material) (3) msl, peak temp. - the moisture sensitivity level rating according to the jedec industry standard classifications, and peak solder temperature. (4) there may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device. (5) multiple device markings will be inside parentheses. only one device marking contained in parentheses and separated by a "~" will appear on a device. if a line is indented then it is a continuation of the previous line and the two combined represent the entire device marking for that device. (6) lead/ball finish - orderable devices may have multiple material finish options. finish options are separated by a vertical ruled line. lead/ball finish values may wrap to two lines if the finish value exceeds the maximum column width.
package option addendum www.ti.com 10-jun-2014 addendum-page 2 important information and disclaimer: the information provided on this page represents ti's knowledge and belief as of the date that it is provided. ti bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. efforts are underway to better integrate information from third parties. ti has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. ti and ti suppliers consider certain information to be proprietary, and thus cas numbers and other limited information may not be available for release. in no event shall ti's liability arising out of such information exceed the total purchase price of the ti part(s) at issue in this document sold by ti to customer on an annual basis.
tape and reel information *all dimensions are nominal device package type package drawing pins spq reel diameter (mm) reel width w1 (mm) a0 (mm) b0 (mm) k0 (mm) p1 (mm) w (mm) pin1 quadrant TPS3513dr soic d 14 2500 330.0 16.4 6.5 9.0 2.1 8.0 16.0 q1 package materials information www.ti.com 8-sep-2010 pack materials-page 1
*all dimensions are nominal device package type package drawing pins spq length (mm) width (mm) height (mm) TPS3513dr soic d 14 2500 333.2 345.9 28.6 package materials information www.ti.com 8-sep-2010 pack materials-page 2

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