data brief for further information contact your local stmicroelectronics sales office. december 2011 doc id 022632 rev 1 1/4 4 STEVAL-IFP020V1 plc (for industrial automation) digital output solution using a 2.5 a single high-side smart po wer switch based on the l6370q features single-channel topology galvanic isolation 2.5 a output current 9.5 v to 35 v supply voltage range short-circuit, overload, and thermal protections loss of ground and v s protections fast demagnetization of inductive loads open load, output short to v s detection two diagnostic outputs output status led driver emc immunity against burst, surge, and esd rohs compliant description the STEVAL-IFP020V1 demonstration board is based on the l6370q, a single-channel high-side driver chip intended for dr iving resistive, inductive or capacitive loads in an industrial environment. it provides an embedded fast demagnetization feature for inductive load switch-off. the device evaluates load disconnection (during channel on-state), output short to v cc or gnd, overtemperature, undervoltage of supply voltage, and provides feedback to a control unit. integrating an extensive set of electrical protections makes the application safe and reliable for use in harsh conditions. the STEVAL-IFP020V1 demonstration board is an example of application design using the l6370q. it is used to guide the designer in choosing external components for applications while providing an appropriate pcb design. STEVAL-IFP020V1 www.st.com
STEVAL-IFP020V1 schematic doc id 022632 rev 1 2/4 1 schematic figure 1. STEVAL-IFP020V1 schematic 18k 0603 r4 470r 0603 r5 18k 0603 r1 vs 470r 0603 r6 680pf 50v 0603 c7 3k3 0603 r8 3k3 0603 r9 3k3 0603 r11 3k3 0603 r12 vs vs 10nf 50v 0603 c5 100nf 50v 0603 c2 sm15t36a d1 2 1 cn3 ark128v-a-2p 2 1 cn4 ark128v-a-2p output out-stat in+ in- rsc on-delay vs 470r 0603 r3 470r 0603 r2 10k 0603 r7 10k 0603 r10 v_logic v_logic 1 2 34 56 78 910 11 12 13 14 cn1 mlw14g 12 34 5 6 78 910 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 cn2 mlw34g input diag1 diag2 v_logic input input diag1 diag2 v_logic diag1 diag2 180pf 50v 0603 c6 gnd 41 diag1 28 in+ 33 out 10 in- 34 rsc 22 diag2 29 vs 6 out 11 out 1 out 2 vs 7 vs 8 vs 5 tab tab out-status 38 on-delay 4 u1 l6370q vs earth tp4 tp1 tp2 tp3 tp5 tp6 3.3v/5v, ttl/cmos compatible signals 1 cn6 1 cn5 1 23 4 opt1 tlp281 1 2 3 4 opt2 tlp281 1 2 3 4 opt3 tlp281 4n7 3kv c3 4n7 3kv c4 1a w2 2.54mm 10a w1 5.08mm 100nf 50v 0603 c8 l6370q_vs l6370q_gnd l6370q_vs l6370q_gnd earth v_logic 100nf 50v 0603 c9 0805 led1 green 100uf 50v c1 am045 3 19v1
STEVAL-IFP020V1 revision history doc id 022632 rev 1 3/4 2 revision history table 1. document revision history date revision changes 22-dec-2011 1 initial release.
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