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Features

? AEC-Q100 qualified

? One 5 V (or 3.3 V for SPSB0813 and SPSB081C3) low drop voltage regulator

(V1) for microcontroller and peripheral supply

? One configurable 5 V or 3.3 V low drop voltage regulator V2 selectable via SPI,

tracker for V1

? Minimum current limitation of 450 mA for V1 and 400 mA for V2

? No electrolytic capacitor required on regulator outputs

? Very low quiescent current in standby modes (typ. 15 μA)

? Programmable reset generator for power-on and undervoltage

? Configurable Window Watchdog

? LIN transceivers ISO 17987-4/2016 and SAE J2962-1 (draft nov. 2017)

compliant (only for SPSB0815 and SPSB0813)

? CAN-FD transceiver (ISO 11898-2/2016, SAE J2284 and SAE J2962-2 (draft

nov. 2017) compliant) with local failure and bus failure diagnosis

? Complete 2-channel contact monitoring interface (WU1 and WU2 input pins)

with programmable cyclic sense functionality. WU2 also with DIR functionality

? Programmable periodic system wake-up feature

? STM standard serial peripheral interface (32Bit / ST-SPI)

? 4 HS drivers for 0.14A (RON = 7 ?) suitable to drive external LED modules with

high input capacitance value or to also supply external contacts

? Internal 10bit PWM timer for each stand-alone high-side driver

? Buffered supply for all voltage regulators

? DIAGN output pin for fail-safe signalization

? Current monitor output for all internal high-side drivers

? Open-load diagnosis for all outputs

? Overcurrent protection for all outputs

? V1 overvoltage detection and protection

? Device contains temperature warning and protection

? Thermal cluster

? Limited documentation available for customers that need support when dealing

with ASIL requirements as per ISO 26262

Description

The SPSB081 is a power management system IC providing electronic control modules with enhanced

power management functionality, including various standby modes to minimize the power consumption with

programmable local and remote wake-up capability, as well as LIN (only for SPSB0815 and SPSB0813) and

CAN FD physical communication layers. The device has one low-drop voltage regulator to supply the system

microcontroller and one voltage tracker to supply external peripheral loads such as sensors. V1 is available with

a fixed rail (5 V or 3.3 V) and V1 overvoltage detection and protection solution, while V2 is a tracker voltage

regulator of V1, programmable by SPI with 5 V or 3.3 V. Moreover, the device features four high-side drivers to

supply LEDs and sensors. All outputs are short-circuit (SC) protected and implement open-load diagnosis. The

ST standard SPI interface allows control and diagnosis of the device and enables generic software development.

Applications

? Body control modules (BCM)

? Gateway applications

? Telematic control unit

? Passive keyless entry and start modules

? Control panel

? Heating, ventilation and air conditioning (HVAC)

? Seat control modules

? Sunroof modules

? Tailgate modules

? Door modules

? Light control modules

? Gear shifters

? Steering column

? Fuel pump