مدار مجتمع (آی سی) آی‌سی مدیریت توان (پی‌ام‌آی‌سی) مدیریت باتری (بی‌ام‌اس)

Product Attributes

Introduction

A high-reliability, high-performance system-on-chip designed for 4 to 8 series lithium battery packs, integrating multiple functions. Based on the innovative MagicBMS system architecture, it provides an integrated solution with high reliability, high accuracy, high voltage tolerance, low power consumption, and low PCB footprint for lithium battery pack BMS mainboards. Internally integrating high-precision signal acquisition and conversion along with a full-function protection hardware state machine, it can independently monitor and protect lithium battery packs without an external MCU, or work in conjunction with an external MCU to enable software protection and fuel gauging, thereby adding system design redundancy and further enhancing protection reliability. Its full-function protection hardware state machine and high-precision data acquisition unit significantly reduce the performance requirements on the external MCU and lower overall system BOM cost.

Features

• Overvoltage/undervoltage protection
• Charge high/low temperature protection
• Discharge high/low temperature protection
• Internal overtemperature protection
• Discharge overcurrent and short-circuit protection
• Charge overcurrent protection
• Cell voltage balancing
• Battery connection open-wire detection and protection
• Load detection and charger detection
• EFETC-controlled charge/discharge MOSFET switching
• I²C interface and ALARM output for external MCU communication
• General-purpose ADC1: 8-channel cell voltage acquisition, 1-channel current acquisition, selectable BAT/VDDA/VCC/PACK voltage inputs, 1-channel PACK voltage acquisition (optional), 3-channel external temperature acquisition (optional)
• High-accuracy current acquisition and dedicated Coulomb counter ADC2
• MOSFET drive: low-side N-type MOSFET driver
• Standalone or MCU-assisted operation
• Operating modes: normal mode, sleep mode
• Package: QFP-32, QFN-32