A81408: PMIC with Six Outputs, SPI, and Watchdogs; Idle-Stop and EMC-Compliant

The A81408 is a power management IC that uses a buck or buck/ boost pre-regulator to efficiently convert automotive battery voltages into a tightly regulated intermediate voltage complete with control, diagnostics and protections.

• The output of the pre-regulator supplies a:
• 5 V / 100 mA protected linear regulator
• 3.3 V/ 90 mA linear regulator
• 5 V/ 200 mA linear regulator
• 5 V/ 60 mA linear regulator
• 5 V/ 60 mA linear regulator
• 可调600毫安同步巴克调节器

Designed to supply CAN transceiver, sensor, and microprocessor power supplies in high-temperature environments, the A81408 is ideal for under-hood applications.

Typical Applications:

• Electric Power Steering
• Braking

• Integrated pre-regulator, 6-outputs, SPI, Watchdogs, AMUX, and Safety signal output - reduces component count, saves board space, helps meet Safety Goals
• Pre-regulator is Allegro's proven and effective single inductor buck-boost for low Vbatt / Idle Stop operation
• Simplifies passing CISPR25 Level 5 EMI
• Next-generation of successful A4412 device