XB4908A Overview
The XB4908 SERIES product is a high i ntegration solution for lithium-ion/polymer battery protection. XB4908 SERIES contai ns advanced power MOSFET, high-accura cy voltage detection circuits and delay circ uits. XB4908 SERIES is put into an ultra-s mall ESN4 package and only one external ponent makes it an ideal solution in li mited space of battery pack.
XB4908A Key Features
- Protection of Charger Reverse Connec -tion
- Protection of Battery Cell Reverse Con -nection Without external load
- Integrated Advanced Power MOSFET with Equivalent of 13.5 mΩ RSS(ON)
- Ultra-small ESN4 Package
- Only One External Capacitor Required
- Over-temperature Protection
- Overcharge Current Protection
- Two-step Overcurrent Detection
- Over-discharge Current -Load Short Circuiting
- Low Current Consumption -Operation Mode: 3.3µA typ -Power-down Mode: 1.8µA typ