L9001-TR STMicroelectronics

L9001 Automotive power supply IC with multiple voltage regulators Datasheet - production data Fail-safe functionality Output under or over voltage reset generation Configurable Watchdog Over temperature shutdown Low power mode 3RZHU662 H SRVHG SDG GRZQ Description * * 36 L9001 SPS (Simple Power Supply) device is a multiple power regulator for Automotive Features applications with one buck regulator, one configurable buck or linear regulator and one AEC-Q100 qualified linear regulator. Its output voltages are Flexible, configurable voltage regulator for configurable via discrete pins. multiple power supply schemes On top of the regulators, this device integrates a First stage asynchronous switch mode watchdog functional block, and a diagnosis regulator (VDD1), supplying second stage functional block (under/over voltage, output regulator (VDD2), peripherals or C current and temperature). 3.3 V/5.0 V/6.0 V/1 A optionally disabled Second regulator (VDD2), configurable as Device is capable of low power operation mode BUCK converter or LDO regulator, with main regulators still active and reduced supplying peripherals, C or C-core 0.8 V power consumption from battery. V/1to 5.0 A BUCK and 300 mA for LDO optionally disabled T able 1. Device summary ADC LDO 3.3 V/5 V/100 mA for ADC C Order code Package Packing supply L9001 PowerSSO-24 Tube Supervision and diagnosis (exposed pad VS monitoring (1) L9001-TR Tape and reel down ) Over temperature detection 1. The exposed pad dimensions for this device is Output supply supervision showed in T able 19: PowerSSO-24 (exposed pad) package mechanical data (VARIATIONS - Option A, Output overcurrent protection D1 and E2). January 2019 DS12089 Rev 2 1/38 This is information on a product in full production. www.st.comContents L9001 Contents 1 General description 6 1.1 VDD1 regulator 6 1.2 VDD2 regulator 6 1.3 ADCLDO regulator . 6 1.4 Supervision and diagnosis . 7 1.5 Low power mode 7 2 Block and application diagrams . 8 3 Pin description 10 4 Electrical specifications . 12 4.1 Absolute maximum ratings 12 4.2 ESD protection . 12 4.3 Operating range 13 4.4 Thermal data 13 4.5 General operating conditions 13 5 Power supply 14 5.1 Configuration 14 5.2 VDD1 regulator . 14 5.3 VDD2 regulator . 16 5.4 ADCLDO Regulator . 18 5.5 Power up and power down sequences 18 6 Diagnosis . 21 7 Watchdog . 24 8 Operation modes . 27 8.1 Operation modes condition . 27 8.2 Description of the operation modes . 27 8.2.1 OFF mode . 27 2/38 DS12089 Rev 2