STMicroelectronics L9965A
18 Cell battery management IC
| Part No. | L9965A |
|---|---|
| Datasheet | L9965A Download |
| Manufacturer |  STMicroelectronics |
| Description | 18 Cell battery management IC |
| Buy | Stock & Price |
FEATURES
● Temperature grade 1: –40°C to +125°C operating temperature range● HBM ESD classification level 2
● CDM ESD classification level C4B
● Fully synchronized high-accuracy measurements on cell voltage, busbar and stack voltage with dedicated ADC: – Total error including aging and post soldering <1.4 mV at 3.3 V, -40°C to 105°C – 16-bit resolution – Cell range: -1 V to 5.5 V – Integrated digital filtering with programmable cut-off frequency from 3.3 kHz to 4.4 Hz – Fully redundant architecture – Cell and busbar support on every channel – Dedicated busbar channel with a ±1 V range
● Passive internal cell balancing up to 400 mA, supporting time-continuous and PWM modes, with automatic cool down based on external NTC sensing. Overcurrent protection during balancing is also available in low-power mode.
● Integrated DC-DC converter for energy efficiency: – Deep sleep: <12 µA – Cyclic Wake-up Mode: <20 µA – Normal Mode: <3 mA
● 10 configurable GPIO
● SPI controller and I2C controller p...
