Available to selected customers only (non-disclosure agreement (NDA) required), please contact support or your local sales representative for more information. The CMU1 - RDBESS774A3EVB is a battery cell monitoring unit (CMU) reference design with electrical transport protocol link (ETPL) communication interface towards a BMU. It is ideal for rapid prototyping of a high-voltage battery energy storage system (BESS) hardware and software. This board contains one MC33774A analog front end (AFE) and it is equipped with a high-voltage transformer. It can be used to monitor a battery module with up to 18 cells. There are in total 9 GPIO/Analog measurement inputs for temperature or other measurements. This board is part of the RD-BESS1500BUN reference design bundle.