Description

6 Channel Multicell Battery Monitor Features: Measures up to 6 battery cells in series Maximum lifetime total measurement error: 1.5 mV Stackable architecture supports hundreds of cells 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 Designed for high reliability systems Includes redundant cell measurements Diagnostic coverage of operational 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 GPIO or analog inputs Temperature or other sensor inputs Configurable as an I2C or SPI master Accommodates ±5 V busbar voltage Sleep state supply current: 5.5 μA 48-lead LQFP package with exposed pad AEC-Q100 qualified for automotive applications