STMicroelectronics L9963E
The L9963E is a Li-ion battery monitoring and protecting chip for high-reliability automotive applications and energy storage systems. Each cell voltage is measured with high accuracy, as well as the current for the on-chip coulomb counting. The device can monitor up to 7 NTCs.| Part No. | L9963E |
|---|---|
| Datasheet | L9963E Download |
| Manufacturer |  STMicroelectronics |
| Description | Automotive Multicell battery monitor |
| Buy | Stock & Price |
FEATURES
TQFP 10x10 64L exposed pad down Product status link L9963E Product summary Order code Package Packing L9963E L9963E-TR TQFP64EP Tray Tape and Reel Product label● AEC-Q100 qualified
● Measures 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 ADC with maximum error of ±2 mV in the [0.5 – 4.3] V range, after soldering, in [-40; +105] °C Tj range
● 2.66 Mbps isolated serial communication with regenerative buffer, supporting dual access ring. Less than 4 us latency between start of conversion of the 1st and the 31st device in a chain. Less than 4 ms to convert and read 96 cells in a system using 8 L9963E and L9963T transceiver. Less than 8 ms to convert and read 210 cells in a system using 15 L9963E and L9963T transceiver. Less than 16 ms to convert and read 434 cells in a system using 31 L9963E and L9963T transceiver.
