Dallas power company American battery detection chip DS2438, a rich feature set, you can easily achieve the electric vehicle battery pack operating condition monitoring.
DS2438 battery pack can be applied to various types of power monitoring. Power supply used in electric vehicles is battery powered by a multi-section series and parallel battery pack consisting of power. Each section of the battery performance will affect the characteristics of the battery pack, which in practice to deal with each section on-line real-time detection of battery power. Then configure each section should be a batteryDS2438, and their data can be attached to one end of the bus. DS2438's power supply can be derived from the measured battery pack itself. DS2438 DQ signal the potential end of the film is for the land in terms of DS2438, DS2438 chip as a reference to the potential inconsistency is bound to result in the same reference point of the DS2438's output terminals DQ of the potential difference, which can not be attached to the same bus. Therefore, when the measurement is the DS2438 battery pack as the core to form a monitoring module, by increasing the isolation measures, the data line from a single system to the sending and receiving two-wire system, and to all modules of the data lines are attached to the REC , TRA two lines, as shown.