IRS26310DJPbF
Lead Definitions: IRS26310DJ
Symbol
VCC
VSS
TST
VB1
VB2
VB3
VS1
VS2
VS3
HIN1
HIN2
HIN3
LIN1
LIN2
LIN3
HO1
HO2
HO3
LO1
LO2
LO3
COM
FAULT/N
EN
ITRIP
DCbusSense
RCIN
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Description
Low-side supply voltage
Logic ground
TST to be shorted to VCC
High-side gate drive floating supply (phase 1)
High-side gate drive floating supply (phase 2)
High-side gate drive floating supply (phase 3)
High voltage floating supply return (phase 1)
High voltage floating supply return (phase 2)
High voltage floating supply return (phase 3)
Logic inputs for high-side gate driver outputs (phase 1)
Logic inputs for high-side gate driver outputs (phase 2)
Logic inputs for high-side gate driver outputs (phase 3
Logic inputs for low-side gate driver outputs (phase 1)
Logic inputs for low-side gate driver outputs (phase 2)
Logic inputs for low-side gate driver outputs (phase 3)
High-side driver outputs (phase 1)
High-side driver outputs (phase 2)
High-side driver outputs (phase 3)
Low-side driver outputs (phase 1)
Low-side driver outputs (phase 2)
Low-side driver outputs (phase 3)
Low-side gate drive return
Indicates over-current, over-temperature (ITRIP), or low-side undervoltage lockout has occurred.
This pin has negative logic and an open-drain output. The use of over-current and over-
temperature protection requires the use of external components.
Logic input to shutdown functionality. Logic functions when EN is high (i.e., positive logic). No
effect on FAULT and not latched.
Analog input for over-current shutdown. When active, ITRIP shuts down outputs and activates
FAULT and RCIN low. When ITRIP becomes inactive, FAULT stays active low for an externally
set time t FLTCLR , then automatically becomes inactive (open-drain high impedance).
Analog input for DCbus sensing
An external RC network input used to define the FAULT CLEAR delay (t FLTCLR ) approximately
equal to R*C. When RCIN > 8 V, the FAULT pin goes back into an open-drain high-impedance
state.
? 2008 International Rectifier
13
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