
IR2132
Functional Block Diagram
Lead Definitions
Lead
Symbol Description
HIN1,2,3
LIN1,2,3
FAULT
V CC
ITRIP
CAO
CA-
V SS
V B1,2,3
HO1,2,3
V S1,2,3
LO1,2,3
V S0
Logic inputs for high side gate driver outputs (HO1,2,3), out of phase
Logic inputs for low side gate driver output (LO1,2,3), out of phase
Indicates over-current or undervoltage lockout (low side) has occurred, negative logic
Low side and logic fixed supply
Input for over-current shutdown
Output of current amplifier
Negative input of current amplifier
Logic ground
High side floating supplies
High side gate drive outputs
High side floating supply returns
Low side gate drive outputs
Low side return and positive input of current amplifier
C ONTROL I NTEGRATED C IRCUIT D ESIGNERS? M ANUAL B-169