MCP73838

www.datasheet4u.com MCP73837/8 Advanced Stand-Alone Li-Ion / Li-Polymer Battery Charge Management Controller with Autonomous AC-Adapter or USB-Port Source Selection Features High Accuracy Preset Voltage Regulation: + 0.5% Available Voltage Regulation Options: - 4.20V, 4.35V, 4.4V, or 4.5V Complete Linear Charge Management Controller: - Autonomous Power Source Selection - Integrated Pass Transistors - Integrated Current Sense - Integrated Reverse Discharge Protection Constant Current (CC) / Constant Voltage (CV) Operation with Thermal Regulation Selectable USB-Port Charge Current: - Low: 1 Unit Load / High: 5 Unit Loads Programmable AC-Adapter Charge Current: - 15 mA - 1000 mA Two Charge Status Outputs Power-Good Monitor: MCP73837 Timer Enable: MCP73838 Automatic Recharge: - Selectable Voltage Threshold Automatic End-of-Charge Control: - Selectable Charge Termination Current Ratio - Selectable Safety Timer Period Preconditioning of Deeply Depleted Cells - can be disabled Battery Cell Temperature Monitor UVLO (Undervoltage Lockout) Automatic Power-Down when Input Power is Removed Low-Dropout (LDO) Linear Regulator Mode Numerous Selectable Options Available for a Variety of Applications: - Refer to Section 1.0 “Electrical Characteristics” for Selectable Options” - Refer to the “Product Identification System” for Standard Options Temperature Range: -40°C to 85°C Packaging: - 10-Lead 3 mm x 3 mm DFN - 10-Lead MSOP* * Consult Factory for MSOP ...