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TPS43331-Q1
SLVSA38B – DECEMBER 2...
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TPS43331-Q1
SLVSA38B – DECEMBER 2009 – REVISED JULY 2017
TPS43331-Q1 Dual Switcher and Linear
Regulators
1 Features
1 Qualified for Automotive Applications AEC-Q100 Qualified With the Following Results:
– Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature
– Device HBM ESD Classification Level 2 Input Operating Range 5 V to 30 V (VBAT) Two, Adjustable Output Voltage, Step-Down
Switching Voltage
Regulators External Clock Input Soft-Start Control for Step-Down
Regulators Programmable, Linear
Regulator (VSTBY), Low
Quiescent Current (65 µA typ) Programmable, Linear
Regulator (VLR) Overvoltage Detection and Shutdown Protected, High-Side Drive Ouput (HSD) Power-On Reset for Standby
Regulator (VSTBY) Serial Communication, I2C Interface Low Voltage Warning Detection With
Programmable Input Threshold (LVWIN, VBATW) Enable Feature, Controls VBUCK 1 Programmable Power Good Delay Time (PGDLY)
for VSTBY Current-Limit and Independent Thermal Detection
and Shutdown Protection on All
Regulators and High-Side Driver Output Thermally Enhanced 38-Pin DAP PowerPAD™ Package
Simplified Schematic
Vsupply
PGDLY CSLEW VCP
CBS1 VGT1
PH1
VGB1
VBAT* VBATP LVWIN
VINSB TPS43331
CBS2 VGT2
PH2
VGB2
VBAT
VSTBY
EN I2CID
SDA SCL SYNCH
RST* AGnd
VLR HSD
VBUCK 1
VBUCK 2 VSTBY VLREG
HSD
Copyright © 2017, Texas Instruments Incorporated
2 Applications
Automoti...
