IR2166
Lead Assignments & Definitions
VBUS
HO
1
CPH
16
VS
Pin # Symbol
1
VBUS
CPH
RT
RPH
CT
COMP
ZX
PFC
SD/EOL
CS
LO
COM
VCC
VB
VS
HO
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Description
DC Bus Sensing Input
Preheat Timing Capacitor
Minimum Frequency Timing Resistor
Preheat Frequency Timing Resistor
Oscillator Timing Capacitor
PFC Error Amplifier Compensation
PFC Zero-Crossing Detection
PFC Gate Driver Output
Shut-Down/End of Life Sensing Circuit
Current Sensing Input
Low-Side Gate Driver Output
IC Power & Signal Ground
Logic & Low-Side Gate Driver Supply
High-Side Gate Driver Floating Supply
High Voltage Floating Return
High-Side Gate Driver Output
2
RT
15
VB
3
RPH
14
IR2166
VCC
4
CT
13
COM
5
COMP
12
LO
6
7
ZX
11
CS
7
PFC
10
SD/EOL
8
9
8
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