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L9963 Evaluation/Development Board: Used with external user MCUs for evaluation or development purposes

EVAL-L9963

Overview

The EVAL-L9963 is a hardware tool for evaluation of L9963, automotive chip for battery management applications. It can be used for the development of a 48 V battery management system (BMS) or as lower stage of a distributed BMS (depending on total battery voltage. Additional stages can be added thanks to EVAL-L9963-NDS).

An external MCU is necessary for development purpose. For L9963 evaluation EVAL-L9963-MCU is recommended. EVAL-L9963 allows the user to connect up to 14 channels for cell voltage sensing, one channel for current sensing, and up to 4 analog input for temperature sensing (plus an additional on-board NTC to sense PCB temperature). The board provides pin connector with relevant control signal (i.e. SPI) in order to help prototyping of a BMS based on EVAL-L9963 and an external MCU.

Main features

Pin connector for external MCU for FW development
Measures from 4 to 14 cells in series, with 0 us desynchronization delay between samples. Supports also busbar connection without altering cell results
Coulomb counter supporting pack overcurrent detection in both ignition on and off states
Fully synchronized current and voltage samples
16-bit voltage measurement
2.66 Mbps isolated serial communication with regenerative buffer, supporting dual access ring
Transformer based isolation
Up to 4 analog inputs for NTC sensing, plus PCB temperature sensing
Onboard L9001 regulator power supply.

Design Files

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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:2025-05-08 12:23:31

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