STMicroelectronics L9963F
The L9963F 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 onchip coulomb counting. The device can monitor up to 7 NTCs.| Part No. | L9963F |
|---|---|
| Datasheet | L9963F Download |
| Manufacturer |  STMicroelectronics |
| Description | Automotive Multicell battery monitoring and balancing IC |
| Buy | Stock & Price |
FEATURES
TQFP 10x10 64L exposed pad down Product status link L9963F Product summary Order code Package Packing L9963F L9963F-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 L9963F and L9963T transceiver. Less than 8 ms to convert and read 210 cells in a system using 15 L9963F and L9963T transceiver. Less than 16 ms to convert and read 434 cells in a system using 31 L9963F and L9963T transceiver.
