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L9963E Evaluation Board with on board MCU with preloaded firmware (GUI)

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Parameter NameParameter Value
Operating RangeAutomotive
Target ApplicationAutomotive Battery Management System (BMS)
Core ProductL9963E
Packing TypeNot Applicable
RoHs compliantNot compliant
Package NameCARD

The EVAL-L9963E-MCU is a hardware tool for evaluation of L9963E, 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-L9963E-NDS).

EVAL-L9963E-MCU 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 an onboard microcontroller with preloaded GUI (graphical user interface) firmware intended to be used with STSW-L9963E PC GUI.

Key features
  • Measures from 4 to 14 cells in series, with 0 μs 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 microcontroller SPC574S64E3 with 32-bit Power Architecture MCU for automotive chassis and safety applications
  • Onboard L9001 regulator as microcontroller power supply
  • Hot plug dedicated circuit
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