ANALOG DEVICES ADES1755GCB/V+ Data Acquisition System, Buffered, 32-Bit, 14 Channel, 9 to 65 V, -40 to 105 °C, ADES1755, LQFP-64

ADES1755GCB/V+ is a 14-channel, high-voltage data acquisition system. It is a flexible data-acquisition system for the management of high-voltage and low-voltage battery modules. The system can measure 14 cell voltages and a combination of six temperatures or system voltage measurements with fully redundant measurement engines in 162µs, or perform all inputs solely with the ADC measurement engine in 99?s. Fourteen internal balancing switches rated for <gt/>300mA 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 bus-bar voltages ranging from -2.5V to +5V are measured differentially over a 65V common-mode range, with a typical accuracy of 100µV. It is used in applications such as residential battery storage systems, high-voltage battery stacks, battery-backup systems (UPS), super-cap systems, battery-powered tools, and EV charging.

• Redundant ADC and comparator (COMP) acquisitions
• Automated balancing with individual cell timers, automated balancing by cell voltage
• Six configurable auxiliary inputs for temperature, voltage, or GPIO
• Integrated die temperature measurement, automatic thermal protection
• Overvoltage, under temperature faults, undervoltage, overtemperature faults, 1-cell mismatch alert
• UART, dual UART interface, battery-management UART protocol
• I²C controller, configurable hardware-alert interfaces, 32-bit unique device ID
• Supply voltage, DCIN range from 9V to 65V, DCIN current, shutdown mode is 0.1µA typical
• Input leakage current is 40µA typical at (VSHDNL = 65V)
• Operating temperature range from -40°C to +105°C, 64-pin LQFP package