Single chip empowers your automotive ECU designs with the highest current capabilities on the market
The SPSB100 is a fully integrated automotive power management system IC specifically designed for automotive application processors (for example, Stellar SR6 MCUs). With low power modes, high current capability, and advanced fail-safe functions, the device comes with enhanced system power supply functions. This device offers a set of features to support applications such as: zonal control unit (ZCU), automotive gateway, vehicle control platform (VCP) and body control module (BCM).

SPSB100: power management IC for highly integrated processors
SPSB100: power management IC for highly integrated processors
- AEC-Q100 qualified
- Overcurrent detection and limitation
- MCU reset generator
- 2 configurable buck converters up to 3 A
- 1 configurable buck converter up to 6 A
- 1 configurable boost controller up to 4.2 A
- Configurable low dropout voltage tracker

AEK-POW-BMSLV
AEK-POW-BMSLV
The AEK-POW-BMSLV battery management system evaluation board for low-voltage automotive applications is available to evaluate the SPSB100. This board allows you to test and validate the performance and capabilities of the SPSB100.
- Single, low-voltage board (<60 V)
- SPI for external communication
- Fail-safe diagnosis from SPSB100 to microcontroller
Recommended resources

eDesignSuite's power supply design tool
eDesignSuite's power supply design tool
A comprehensive set of easy-to-use design-aid utilities ready to help you streamline the system development process with a wide range of ST products.

Automotive power management IC for highly integrated processors
Automotive power management IC for highly integrated processors
With three buck converters, a boost controller and two LDOs, the SPSB100 offers low power modes, high current capability, and advanced fail-safe functions.
Designed for automotive application processors including our Arm-based Stellar integration MCUs, the SPSB100 is a highly flexible solution able to supply the system microcontroller, external peripheral loads and sensors in several and adjustable voltage and current ranges.