L9001 datasheet(1/38 Pages) STMICROELECTRONICS

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This is information on a product in full production.

January 2019

DS12089 Rev 2

1/38

L9001

Automotive power supply IC with multiple voltage regulators

Datasheet

- production data

Features

 AEC-Q100 qualified

 Flexible, configurable voltage regulator for

multiple power supply schemes

– First stage asynchronous switch mode

regulator (VDD1), supplying second stage

regulator (VDD2), peripherals or μC

[3.3 V/5.0 V/6.0 V/1 A]; optionally disabled

– Second regulator (VDD2), configurable as

BUCK converter or LDO regulator,

supplying peripherals, μC or μC-core [0.8 V

to 5.0 V/1 A BUCK and 300 mA for LDO];

optionally disabled

– ADC LDO [3.3 V/5 V/100 mA] for ADC μC

supply

 Supervision and diagnosis

– VS monitoring

– Over temperature detection

– Output supply supervision

– Output overcurrent protection

 Fail-safe functionality

– Output under or over voltage reset

generation

– Configurable Watchdog

– Over temperature shutdown

 Low power mode

Description

L9001 SPS (Simple Power Supply) device is a

multiple power regulator for Automotive

applications with one buck regulator, one

configurable buck or linear regulator and one

linear regulator. Its output voltages are

configurable via discrete pins.

On top of the regulators, this device integrates a

watchdog functional block, and a diagnosis

functional block (under/over voltage, output

current and temperature).

Device is capable of low power operation mode

with main regulators still active and reduced

power consumption from battery.

Table 1. Device summary

Order code

Package

Packing

L9001

PowerSSO-24

(exposed pad

down(1))

1. The exposed pad dimensions for this device is

showed in Table 19: PowerSSO-24 (exposed pad)

package mechanical data (VARIATIONS - Option A,

“D1 and E2”).

Tube

L9001-TR

Tape and reel

www.st.com

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