LTC4372HMS8 Integrated Circuit Chip Low Quiescent Current High-Voltage Ideal Diode Controller in Compact MSOP8 Package

The LTC4372HMS8 is an ADI low-quiescent-current, high-voltage ideal diode controller in a compact MSOP8 package, specifically designed for multi-battery redundant power distribution and reverse-current protection for servo and main control power supplies in humanoid robots, and is compatible with 24V/48V robotic power battery systems.

• Extended System Runtime: With an operating quiescent current of just 5 μA and shutdown mode current as low as 0.5 μA, it replaces traditional Schottky diodes. The forward voltage drop is controlled to within 30 mV, significantly reducing circuit losses during walking, standby and sleep modes.
• High-Voltage Operation: Supports a wide input voltage range of 2.5V-80V, compatible with humanoid robots' high-voltage power batteries; withstands reverse voltage surges of up to -28V; features ultra-fast 500ns shutdown to block reverse current.
• Robust Protection: Prevents cross-charging and short-circuit backflow when multiple power supplies are connected in OR or parallel configurations; protects precision loads such as servo motors, vision sensors and AI controllers.
• Compact Integration: Featuring a 3mm × 3mm miniature MSOP8 package, it can drive external N-channel MOSFETs and supports back-to-back MOS topology to suppress inrush current during power-up.
• Core Applications: Used for dual-battery redundancy switching, backup power maintenance and isolated power supply to multiple servo channels in humanoid robots, ensuring uninterrupted power output during various operations.

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