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Features

? AEC-Q100 qualified

? 2 configurable (6.5 V, 5 V, 3.3 V) BUCK converters and typ peak switching

current limit of 3.0 A at 2.4 MHz or 400 kHz

? 1 configurable (3.3 V, 1.25 V, 1.2 V, 1.1 V, 0.98 V) BUCK converter and typ

peak switching current limit up to 6.0 A at 2.4 MHz, with fine-tuning

configurability around 0.98 V (0.95 V to 1.01 V)

? Overcurrent detection and limitation for all BUCKs

? Integrated soft start on BUCK stages

? Boost controller 8-9.5 V and typ peak switching current limit of 4.2 A at 400

kHz, for sustaining low battery condition occurring for a transitory time and

deep cranking pulse (external power components can be optionally populated)

? One 5 V voltage regulator (120 mA, 2% acc.)

? One configurable (5 V or 3.3 V) low drop voltage tracker of all regulators (10

mA, ±10 mV)

? One high side driver for contact monitoring (RON = 55 ?) with open-load and

overcurrent diagnosis

? Dedicated interrupt pin for failure communication

? Device operates in low power mode

? Very low quiescent current in DEEP-SLEEP state

? MCU reset generator

? Configurable window watchdog with extended long open window up to 9 s and

enable/disable function through NVM bit

? Device contains temperature warning and protection

? Thermal clusters

? A/D conversion of supply voltages and internal temperature sensors

? STMicroelectronics standard serial peripheral interface (32 Bit/ST_SPI)

including 4-bit CRC

? 1 fail-safe output

? 1 input pin supporting static and dynamic error signal reporting

? Programmable periodic system wake-up feature

? Documentation available for customers that need support when dealing with

ASIL requirements as per ISO26262

? VFQFN56+4L 8x8x0.9 with wettable flank, 0.8 mm package

Description

The SPSB100 is a fully integrated automotive power management system IC,

especially designed for highly integrated application processors (for example,

Stellar G and P MCU families), offering low power mode and high current capability:

the device comes with enhanced system power supply functionality.

It combines a 3-switch mode power supply together with two integrated linear voltage

regulators. The device integrates a further 2 wake-up inputs and advanced fail-safe

functionalities.