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this is information on a product in full production. for further information contact your local stmicroelectronics sales office. october 2012 doc id 023870 rev 1 1/12 12 EVAL6482H high power microstepping motor driver with the l6482h data brief features voltage range from 10.5 v to 85 v low r ds(on) mosfets in dpak package spi with daisy chain feature flag and busy led indicators flexible supply voltage management suitable for use in combination with the steval-pcc009v2 applications high power bipolar stepper motor driving description the EVAL6482H demonstration board is a high power microstepping motor driver. in combination with the steval-pcc009v2 communication board and the evaluation software, the board allows the user to investigate all the features of the l6482 device. in particular, the board can be used to check the advanced current control and to regulate the l6482 parameters in order to fit the application requirements. the EVAL6482H supports the daisy chain configuration making it suitable for the evaluation of the l6482 in multi-motor applications. www.st.com
board description EVAL6482H 2/12 doc id 023870 rev 1 1 board description figure 1. jumper and connector location table 1. EVAL6482H electrical specifications parameter value supply voltage (vs) 10.5 to 85 v maximum output current (each phase) 6 a r.m.s. at 25 c (1) 1. limited by the mounted sensing resistors. external mosfet r ds(on) 33 m typical at 25 c (2) 2. refer to std25nf10 datasheet for details. gate driver supply voltage (vcc) 7.5 v to 15 v logic supply voltage 3.3 v logic interface supply voltage 3.3 v or 5 v low level logic input 0 v high level logic input vdd (3) 3. all logic inputs are 5 v tolerant. operating temperature -25 c to +125 c flag led su pply m a n a gement j u mper s ph as e a connector ph as e b connector m as ter s pi connector applic a tion a re a s l a ve s pi connector extern a l s witch connector ( s w inp u t) adcin inp u t power su pply connector (10.5 v - 8 5 v) su pply m a n a gement connector (v s , v s reg, vccreg a nd gnd) bu s y led am151 8 1v1
EVAL6482H board description doc id 023870 rev 1 3/12 table 2. jumper and connector description name type function j5 power supply main supply voltage j7 power output power bridge a outputs j8 power output power bridge b outputs j6 power supply integrated voltage regulator inputs j3 spi master spi connector j4 spi slave spi connector jp1 jumper vs to vsreg jumper jp2 jumper vsreg to vcc jumper jp3 jumper vcc to vccreg jumper jp4 jumper vccreg to vreg jumper jp5 jumper vreg to vdd jumper jp6 jumper vdd to 3.3 v from spi connector jumper jp7 jumper daisy chain termination jumper jp8 jumper stby to vs pull-up jumper table 3. master spi connector pinout (j3) pin number type description 1 open drain output l6482 busy output 2 open drain output l6482 flag output 3 ground ground 4 supply ext_vdd (can be used as external logic power supply) 5 digital output spi master in slave out signal (connected to the l6482 sdo output through daisy chain termination jumper jp7) 6 digital input spi serial clock signal (connected to l6482 ck input) 7 digital input spi master out slave in signal (connected to l6482 sdi input) 8 digital input spi slave select signal (connected to l6482 cs input) 9 digital input l6482 step-clock input 10 digital input l6482 standby/reset input table 4. slave spi connector pinout (j4) pin number type description 1 open drain output l6482 busy output 2 open drain output l6482 flag output 3 ground ground
board description EVAL6482H 4/12 doc id 023870 rev 1 4 supply ext_vdd (can be used as external logic power supply) 5 digital output spi master in slave out signal (connected to pin 5 of j3) 6 digital input spi serial clock signal (connected to l6482 ck input) 7 digital input spi master out slave in signal (connected to l6482 sdo output) 8 digital input spi slave select signal (connected to l6482 cs input) 9 digital input l6482 step-clock input 10 digital input l6482 standby/reset input table 4. slave spi connector pinout (j4) (continued) pin number type description
EVAL6482H board description doc id 023870 rev 1 5/12 figure 2. EVAL6482H schematic part 1/2 applic a tion reference s pi_in s pi_out v s vcc vreg vdd adc_in s tby bu s y flag s tck gnd bu s yflag s do s tby_re s et s tby_re s et s tck s tck nc s ck adc_in s tby_re s et s di bu s y bu s y flag flag nc s ck bu s y s tby_re s et flag s tck adc_in o s cin flag o s cout bu s y s tck nc s ck s di s do bu s y flag g_l s _b1 outa1 outa2 outb1 outb2 s tby g_h s _a1 g_l s _a1 adc_in g_h s _a2 g_l s _a2 g_h s _b1 g_h s _b2 g_l s _b2 s en s ea s en s eb 3 v 3 3 v 3 v s v s _reg vcc vcc_reg vreg vdd vdd vdd vdd vdd 3 v 3 v s v s _reg vcc vcc_reg vreg vdd r5 470 flag 1 r 3 3 9k s tby 1 c4 100n/4v c 3 100n/6v 3 j 3 1 2 3 4 5 6 7 8 9 10 vcc 1 jp1 1 2 r1 100 r4 470 c1 3 10n/6v 3 r2 3 9k jp 3 1 2 vreg 1 c2 220n/100v c5 22 u /6v 3 dl1 led - amber 2 1 jp2 1 2 j2 n.m. 1 2 gnd 1 c 8 100n/100v j4 1 2 3 4 5 6 7 8 9 10 bu s y 1 d1 bav99 1 2 3 dl2 led - red 2 1 jp5 1 2 c7 470n/25v jp7 1 2 jp6 1 2 vdd 1 j1 n.m. 1 2 c9 47n/100v jp4 1 2 u1 l64 8 2 g_l s _a1 1 out_a1 2 g_h s _a1 3 g_l s _a2 38 out_a2 3 7 g_h s _a2 3 6 out_b1 1 8 g_l s _b1 19 out_b2 21 g_l s _b2 20 g_h s _b1 17 g_h s _b2 22 s en s eb 2 3 s en s ea 3 5 agnd 16 dgnd 29 v s 6 pgnd 8 v s _reg 12 vcc 10 vcc_reg 11 vreg 1 3 vboot 7 cp 9 adc_in 5 vdd 27 s tby_re s 3 4 c s 24 s do 2 8 ck 25 s di 26 o s c_in 14 o s c_out 15 s w 33 s tck 3 2 bu s y_ s ync 3 0 flag 3 1 gnd 3 9 s tck 1 c10 10n/6v 3 adcin 1 c1 470n/25v c12 100p/6v 3 c6 100n/25v v s 1 am151 8 2v1
board description EVAL6482H 6/12 doc id 023870 rev 1 figure 3. EVAL6482H schematic part 2/2 applic a tion reference option v s v s _reg vcc_reg gnd outa 12 outb 12 gnd v s g_h s _b2 g_l s _b2 g_h s _b1 g_l s _b1 g_h s _a1 g_l s _a1 g_h s _a2 g_l s _a2 s tby outa1 outa2 outb1 outb2 adc_in s en s ea s en s eb v s v s vdd v s v s v s _reg vcc_reg v s v s v s _reg v s q 8 s td25nf10 1 4 3 q4 s td25nf10 1 4 3 + c11 220 u /100v c15 220n/100v + c11a 220 u /100v d2 bzx5 8 5-b 3 v 3 r7 100k/0.125w r19 0r1/2w r1 8 0r1/2w r17 50k/0.125w 1 3 2 q1 s td25nf10 1 4 3 r9 n.m. q6 s td25nf10 1 4 3 j5 1 2 q 3 s td25nf10 1 4 3 r6 100k/0.125w j6 n.m. 1 2 3 4 r21 0r1/2w q5 s td25nf10 1 4 3 jp 8 1 2 q2 s td25nf10 1 4 3 j 8 1 2 r20 0r1/2w c14 220n/100v j7 1 2 d 3 bzx5 8 5-b 3 v6 q7 s td25nf10 1 4 3 am151 83 v1
EVAL6482H board description doc id 023870 rev 1 7/12 table 5. EVAL6482H - bill of material item quantity reference value package 19 vs, vreg, vdd, vcc, stck, stby, flag, busy, adcin tpth-ring (red) tpth-ring-1mm 2 1 gnd tp-ring (black) tpth-ring-1mm 3 2 c1,c7 470 nf/25 v capc-0603 4 3 c2, c14, c15 220 nf/100 v capc-0805 5 1 c3 100 nf/6.3 v capc-0603 6 1 c4 100 nf/4 v capc-0603 7 1 c5 22 f/6.3 v capc-1206 8 1 c6 100 nf/25 v capc-0603 9 1 c8 100 nf/100 v capc-0603 10 1 c9 47 nf/100 v capc-0805 11 2 c10, c13 10 nf/6.3 v capc-0603 12 1 c11 220 f/100 v capes-r18h17 13 1 c11a 220 f/100 v cape-r16h21-p75 14 1 c12 100 pf/6.3 v capc-0603 15 1 dl1 led amber ledc-0805 16 1 dl2 led red ledc-0805 17 1 d1 bav99 sot-23 18 1 d2 bzx585-b3v3 sod523 19 1 d3 bzx585-b3v6 sod523 20 5 jp1, jp3, jp5, jp7, jp8 jumper closed jp2so 21 3 jp2, jp4, jp6 jumper open jp2so 22 2 j1, j2 n.m. strip254p-m-2 23 1 j3 pol. idc male header vertical 10 poles (black) con-flat-5x2-180m 24 1 j4 pol. idc male header vertical 10 poles (gray) con-flat-5x2-180m 25 3 j5, j7, j8 screw connector 2 poles morsv-508-2p 26 1 j6 n.m. strip254p-m-4 27 8 q1, q2, q3, q4, q5, q6, q7, q8 std25nf10 dpak 28 1 r1 100 resc-0603 29 2 r2, r3 39 k resc-0603 30 2 r4, r5 470 resc-0603 31 2 r6, r7 100 k / 0.125 w resc-0603
board description EVAL6482H 8/12 doc id 023870 rev 1 figure 4. EVAL6482H - layout (silkscreen) 32 1 r9 n.m. resc-0603 33 1 r17 50 k / 0.125 w trimm-100x50x110-64w 34 4 r18,r19,r20,r21 0.1 /2 w resc-2010 35 1 u1 l6482 htssop050p-660x110- 38-ep table 5. EVAL6482H - bill of material (continued) item quantity reference value package am151 8 4v1
EVAL6482H board description doc id 023870 rev 1 9/12 figure 5. EVAL6482H - layout (top layer) figure 6. EVAL6482H - layout (inner layer 2) am151 8 5v1 am151 8 7v1
board description EVAL6482H 10/12 doc id 023870 rev 1 figure 8. EVAL6482H - layout (bottom layer) figure 7. EVAL6482H - layout (inner layer 3) am151 88 v1 am151 8 9v1
EVAL6482H revision history doc id 023870 rev 1 11/12 2 revision history table 6. document revision history date revision changes 30-oct-2012 1 initial release.
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