ML5245 Overview
The ML5245 is a protection IC for 5- to13-cell Li-ion rechargeable battery pack. It detects individual cell overvoltage/undervoltage and pack overcurrent/over-temperature, and then automatically turns on or turns off the external charge/discharge NMOS-FETs accordingly. Also, the ML5245 has a cell voltage monitor function so that the individual cell voltage can be monitored by an external microcontroller.
ML5245 Key Features
- Number of connected cells : 10-cell / 13-cell
- Highly accurate overvoltage / undervoltege detection function
- Charge / discharge overcurrent detection function Dischrage overcurrent detection accuracy : ±10mV(25℃) Charge overcurre
- Short current detection function Short current detection accuracy
- Adjustable detection delay time for overvoltage / undervoltage / short current with external capacitor
- Temperature detection function : with external NTC(10kΩ, B=3435) and 4.7kΩ resistor
- Cell voltage monitor function : Cell voltage multiplied by 0.5 is outputted from VMON pin
- FET overheat protection function : stop large charge/discharge current through FET body-diode and
- Number of connected cells, each detection voltage, each detectin delay time is selected with mask-option
- Low power consumption