Lead Definitions
Pin #
Symbol
Description
1 CLIP Clipping detection output, open drain, referenced to GND
2 COMP2 CH2 PWM comparator input
3 IN-2 CH2 Analog inverting input
4 IN+2 CH2 Analog non-inverting input
5 GND GND for internal shunt zener diodes to VAA and VSS
6 VSS Floating input negative supply
7 VAA Floating input positive supply
8 IN+1 CH1 Analog non-inverting input
9 IN-1 CH1 Analog inverting input
10 COMP1 CH1 PWM comparator input
11 CSD Shutdown timing capacitor / shutdown input
12 FAULT Fault reporting output, open drain, referenced to GND
13 NC
14 VCC Low side supply
15 COM Low side supply return, internally connected to pin 31
16 CSH1 CH1 High side over current sensing input, referenced to VS1
17 VB1 CH1 High side floating supply
18 VS1 CH1 PWM output, internally connected to pin 20
19 VP1 CH1 Positive power supply
20 VS1 CH1 PWM output
21 VN1 CH1 Negative power supply, connect to COM externally
22 VN2 CH2 Negative power supply, connect to COM externally
23 VS2 CH2 PWM output, internally connected to pin 25
24 VP2 CH2 Positive power supply
25 VS2 CH2 PWM output
26 VB2 CH2 High side floating supply
27 CSH2 CH2 High side over current sensing input, referenced to VS2
28 COM Low side supply return, internally connected to pin 31
29 NC
30 NC
31 COM Low side supply return
Lead Assignments (Top View)
63
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