TPS65310AQRVJRQ1 datasheet(4/68 Pages) TI1

Part #	TPS65310AQRVJRQ1

Description	High-Voltage Power-Management IC For Automotive Safety Applications

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Manufacturer	TI1 [Texas Instruments]

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TPS65310A-Q1

SLVSC15E – MAY 2013 – REVISED OCTOBER 2014

www.ti.com

5 Description (Continued)

The device includes one high-voltage buck controller for preregulation combined with two buck and one boost

converters for postregulation. A further integrated low-dropout regulator (LDO) rounds up the power supply

concept and offers a flexible system design with five independent voltage rails. The device offers a low power

state (LPM0 with all rails off) to reduce current consumption in case the system is constantly connected to the

battery line. All outputs are protected against overload and overtemperature.

An external PMOS protection feature makes the device capable of sustaining voltage transients up to 80 V. This

external PMOS can also be used in safety-critical applications to protect the system in case one of the rails

shows a malfunction (undervoltage, overvoltage, or overcurrent).

Internal soft start ensures controlled start-up for all supplies. Each power supply output has adjustable output

voltage based on the external resistor network settings.

4

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