STMicroelectronics’ automotive-grade power management IC integrates CAN FD and LIN transceivers to simplify body controller design

 


【Lansheng Technology News】On October 13, 2023, STMicroelectronics’ SPSB081 automotive-grade power management IC has very rich functions. It can be called the Swiss Army knife among automotive-grade power management chips. It integrates a fixed-voltage main low-voltage differential stabilizer on the chip. voltage regulator (LDO), a configurable auxiliary LDO regulator, four high-side drivers, a CAN FD transceiver and an optional LIN transceiver. This series of power management chips has multiple standby modes with very low quiescent current and configurable local or remote wake-up functions to help minimize system power consumption.


On-chip integrated power supplies and transceivers help simplify body controller design for sunroofs, seats, tailgates, doors and lighting modules. The controllers are extremely suitable for use in gateways, HVAC controllers, keyless entry systems, telematics control units and control panels.


Among the current products in this series, the SPSB081C3 and SPSB081C5 contain 3.3V fixed-voltage LDO regulators and 5V fixed-voltage LDO regulators, respectively, as well as a CAN transceiver. The SPSB0813 and SPSB0815 also add a LIN transceiver. All products have auxiliary LDO regulators, which can be set up as independent 3.3V or 5V regulators through the on-chip SPI port, or as a voltage tracker for the main LDO regulator. The four high-side drivers source a maximum current of 140mA and can drive LEDs and sensors, providing current monitoring capabilities and 10-bit PWM timers for each channel.


The entire series of products integrates various safety protection functions and provides diagnostic output pins required for fail-safe signaling systems. Even if not designed as a safety hardware unit, these functions can meet ISO 26262 functional safety requirements. All outputs feature overcurrent protection and open load fault indication. The primary LDO (fixed voltage) regulator features overvoltage protection and thermal protection circuitry, while the auxiliary LDO (settable) regulator features overload, overtemperature, short circuit, and reverse bias protection. Both regulators feature start-up ground short-circuit monitoring and continuous regulator fault monitoring.


STMicroelectronics' SPSB081 series is AEC-Q100 automotive electronics compliant and has a rated operating temperature range of -40°C to 150°C, with a maximum operating temperature of 175°C. All products in the series have been put into mass production and adopt the 5mm x 5mm x 1mm QFN32L package with improved thermal performance.


Lansheng Technology Limited, which is a spot stock distributor of many well-known brands, we have price advantage of the first-hand spot channel, and have technical supports. 

Our main brands: STMicroelectronics, Toshiba, Microchip, Vishay, Marvell, ON Semiconductor, AOS, DIODES, Murata, Samsung, Hyundai/Hynix, Xilinx, Micron, Infinone, Texas Instruments, ADI, Maxim Integrated, NXP, etc

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