ADI's ADES1754, ADES1755, and ADES1756 are flexible data-acquisition systems for managing of high-voltage and low-voltage battery modules. The systems can measure 14 cell voltages and a combination of six temperatures or system voltage measurements with fully redundant measurement engines in 162 μs or perform all inputs solely with the ADC measurement engine in 99 μs. Fourteen internal balancing switches rated for >300 mA for cell-balancing current support extensive built-in diagnostics. Up to 32 devices can be daisy-chained to manage 448 cells and monitor 192 temperatures.

Cell and busbar voltages ranging from -2.5 V to +5 V are measured differentially over a 65 V common-mode range, with a typical accuracy of 100 μV. If oversampling is enabled, up to 128 measurements per channel can be averaged internally with 14-bit resolution and combined with digital post-processing IIR filtering for increased noise immunity.

The system can shut itself down in the event of a thermal overload by measuring its own die temperature. It uses Analog Devices' battery-management UART protocol for robust communications and supports an I²C controller interface for external device control. It is optimized to support a reduced feature set of internal diagnostics and rapid-alert communication through both embedded communication and hardware-alert interfaces.

The ADES1754EVKIT# evaluation kit (EV kit) demonstrates the features and capabilities of the ADES1754, ADES1755, and ADES1756 14-channel, high-voltage, smart sensor, and data acquisition interface ICs. The kit is coupled with a MAX17851 EV kit to establish communication with a host PC. Once communication is established, control of the ADES1754 EV kit is executed through the EV kit GUI on the host PC.