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Monitoring, balancing and protection of 10-cell battery pack

TIDA-00449

Overview

TI Designs TIDA-00449 is a ready-to-use and tested hardware platform for monitoring, balancing and protecting power tool 10-cell series battery packs. Power tools increasingly use high power density battery packs based on lithium-ion or lithium iron phosphate cells, which require explosion protection against incorrect charging or discharging. TIDA-00449 also meets the thermal requirements for power tool battery packs when discharged at sustained high currents.

characteristic

● Battery pack designed for 36V (10-cell lithium-ion battery or lithium iron phosphate battery), 50A maximum continuous discharge current
● Monitor battery voltage, battery pack current, and battery pack temperature, and protect by controlling charge/discharge FET and battery balance
● Hardware protection can be provided under discharge overcurrent, discharge short circuit, overvoltage and undervoltage conditions.
● On-board ultra-small size, low on-resistance, low Qg and Qgd FemtoFET MOSFET, suitable for passive balancing current up to 150mA per cell
● Low quiescent current, ultra-low power state suitable for shipping
●Onboard host microcontroller supports battery power monitoring

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Blockdiagram

Design Files

Documentation

Monitoring, balancing and comprehensive protection for 10-cell series battery packs, 50A discharge reference design (Rev. C)

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It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

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Update:2025-06-23 10:41:30

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