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L9963

STMicroelectronics
Part Number L9963
Manufacturer STMicroelectronics
Description Li-ion battery monitoring/protection
Published Apr 24, 2020
Detailed Description L9963 Data brief Automotive chip for battery management applications Features Product status link L9963 Product label ...
Datasheet PDF File L9963 PDF File

L9963
L9963

Overview
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.
Less than 2 µs latency between start of conversion of the 1st and the 15th device in a chain.
Less than 4 ms to convert and read 96 cells in a system using 8 L9963.
Supports both transformer and capacitive based isolation • 200 mA passive internal balancing current for e...


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