IRS20957S
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11
Lead Definitions
Pin # Symbol Description
1 VDD Floating input positive supply
2 CSD Shutdown timing capacitor, referenced to VSS
3 IN PWM non-inverting input, in phase with HO
4 VSS Floating input supply return
5 NC
6 VREF 5V reference output for setting OCSET
7 OCSET Low side over current threshold setting, referenced to COM
8 DT Input for programmable dead-time, referenced to COM
9 COM Low side supply return
10 LO Low side output
11 VCC Low side logic supply
12 NC
13 VS High side floating supply return
14 HO High side output
15 VB High side floating supply
16 CSH High side over current sensing input, referenced to VS
Lead Assignments
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
IRS20957
VDD
IN
CSD
VSS
OCSET
DT
VREF
COM
LO
VCC
HO
VS
CSH
VB
NC NC
