Maxim Integrated MAX17823H 12-Channel High-Voltage Sensor
Maxim Integrated MAX17823H 12-Channel High-Voltage Sensor is a data acquisition system for the management of high-voltage battery modules. The system uses Maxim’s battery-management UART protocol for robust communications. The sensor is ideal for automotive battery-management systems that require a high safety-integrity level. The MAX17823H features a 12-bit successive-approximation-register (SAR) analog-to-digital converter (ADC) that can measure 12 cell voltages and two temperatures in 161µs. Up to 32 devices can be added to a daisy chain to manage 384 cells and monitor 64 temperatures. The system includes 12 internal switches for cell-balancing and extensive built-in diagnostics.
Features
AEC-Q100 grade-2 temperature range-40°C to 105°C operating temperature range9V to 65V operating voltageUltra-low power operation2mA standby mode2µA shutdown mode12x cell-voltage measurement channels2mV accuracy (3.6V, +25°C)5mV accuracy (0°C to +45°C)10mV accuracy (-40°C to +105°C)12x cell-balancing switchesUp to 650mA per switchEmergency discharge mode2x temperature measurement channelsDie temperature measurementAutomatic thermal protection
Applications
Battery backup systems (UPS)Battery-powered toolsElectric bikesElectric vehicles (EVs)
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