General Description
The DS2726 provides full charge and discharge protection for 5- to 10-cell lithium-ion (Li+) battery packs. The protection circuit monitors individual cell voltages to detect overvoltage and undervoltage conditions. Protection against discharge overcurrent and short-circuit current is provided with user-selectable thresholds using external resistors. P-channel protection FETs are employed high side and driven from on-chip 10V FET drivers. Cell balancing can be enabled to ensure that all cells are equally charged.

Features
♦ Complete Protection for 5-Cell to 10-Cell Li+ Packs
♦ Pin Programmable for 5 to 10 Cells
♦ Internal Cell-Balancing Circuit, Shunts Up to 300mA
♦ Pin-Programmable VOV Threshold
♦ Pin-Programmable Cell-Balance Voltage
♦ Overdischarge Current and Short-Circuit Current Set with External Resistors
♦ Overdischarge Current and Short-Circuit Current Timeout Delay Set with External Capacitors
♦ Low Power Consumption: 60µA (typ)
♦ Low Shutdown Power Consumption: 5µA (typ)
♦ 7mm x 7mm, 32-Pin TQFN Lead-Free Package

Applications
    Power Tools
    Electric Bikes
    Home Appliances