The EVAL-CN0253-SDPZ is an evaluation board described in the circuit from lab CN-0253, entitled "A robust, low power, battery monitoring circuit front end". This circuit is a robust battery monitoring front end designed for environments where transients are likely to occur, such as in industrial or process automation environments. The circuit uses the ADG5408 8-channel CMOS multiplexer followed by the AD8226 instrumentation amplifier to provide accurate voltage monitoring of individual cells at low power and low cost, and requires no additional external transient protection circuitry. Battery monitoring systems (BMS) require the individual voltage across each battery in a battery stack to assess the state of charge (SOC) and state of health (SOH) of the battery. By multiplexing the terminals of a stack of batteries with two multiplexers. One multiplexer is used for the positive terminal and another for the negative terminal.
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