Mcu fast reset circuit of battery management system in battery pack

By designing a fast MCU reset circuit in the battery pack and using components such as connectors and resistors to achieve fast external reset of the MCU, the problem of low efficiency in disassembling and repairing the battery management system when the MCU crashes is solved, reducing costs and improving work efficiency.

CN224545760UActive Publication Date: 2026-07-24YIYANG CORUN BATTERY
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Utility models(China)
Current Assignee / Owner
YIYANG CORUN BATTERY
Filing Date
2025-07-22
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

When the MCU of the existing battery management system crashes, the battery pack needs to be disassembled for repair, resulting in low efficiency, high cost and high intensity.

Method used

Design a fast reset circuit for the MCU of the battery management system in a battery pack. Using components such as connectors, sockets, resistors and diodes, the MCU can be quickly reset through an external short circuit connection without disassembling the battery pack.

Benefits of technology

It enables rapid repair of the battery management system MCU, reduces labor and material costs, and improves work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of MCU fast reset circuit of battery management system in battery pack, the positive electrode lead-out end, negative electrode lead-out end of connector are respectively connected with the positive electrode end, negative electrode end of battery module one-to-one correspondence, the collector of NPN triode is connected with the power supply positive end of battery management system, the anode of first diode D1 after resistance R3 stringing respectively, the collector between NPN triode and resistance R3 is connected with the reset end of MCU in battery management system, the output end of connecting socket is respectively connected with one connecting pin of connector, the cathode of first diode D1, the input end of connecting socket is respectively connected with one connecting pin in another five connecting pins of connector, the base of NPN triode, the one end of resistance R4 is connected with the base of NPN triode, the other end of resistance R4 is connected with the emitter of NPN triode, second diode D2 is connected in the both ends of resistance R4.The utility model's circuit is simple, and cost is low.
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