Description

8-Channel Multicell Battery Monitor Features: Measures up to 8 battery cells in series Maximum lifetime total measurement error: ±1.9 mV at 3.3 V per cell (–40°C to +85°C) Stackable architecture for high voltage battery packs Built-in isoSPI interface 2 Mbps isolated serial communications Uses a single twisted pair, up to 20 meters Low EMI susceptibility and emissions Bidirectional for broken wire protection Capacitor or transformer coupled Hot plug tolerant without external protection Diagnostics for IC and application circuit failure modes 304 μs to measure all cells in a system 16-bit ADC with programmable noise filter Passive cell balancing up to 300 mA per channel with programmable PWM 7 GPIOx or analog inputs Temperature or other sensor inputs Configurable as an I2C or SPI controller Sleep state V+ supply current: 5.5 μA typical Cell and temperature monitoring in key-off state (LPCM) 48-lead LFCSP_SS package with exposed pad AEC-Q100 qualified for automotive applications