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L9963 - Li-ion battery monitoring/protection

Datasheet Summary

Description

The L9963 is a Li-ion battery monitoring and protection chip for high-reliability automotive applications and energy storage systems.

Up to 14 stacked battery cells can be monitored to meet the requirements of 48 V and higher voltage systems.

Features

  • Product status link L9963 Product label Product summary Order code Package Packing L9963 TQFP64EP (exposed pad down) Tray.
  • AEC-Q100 qualified.
  • Measures 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 w.

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Datasheet preview – L9963

Datasheet Details

Part number L9963
Manufacturer STMicroelectronics
File Size 434.20 KB
Description Li-ion battery monitoring/protection
Datasheet download datasheet L9963 Datasheet
Additional preview pages of the L9963 datasheet.

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Full PDF Text Transcription

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L9963 Data brief Automotive chip for battery management applications Features Product status link L9963 Product label Product summary Order code Package Packing L9963 TQFP64EP (exposed pad down) Tray • AEC-Q100 qualified • Measures 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 with maximum error of ±2 mV in the [1.7 – 4.7] V range, in whole operating temp range • 2.66 Mbps isolated serial communication with regenerative buffer, supporting dual access ring.
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