MCP73811 Series

Single Cell, Li-Ion/Li-Polymer Charge Management Controller

Catalog

Single Cell, Li-Ion/Li-Polymer Charge Management Controller

Part	Number of Cells	Supplier Device Package	Voltage - Supply (Max) [Max]	Operating Temperature [Max]	Operating Temperature [Min]	Battery Chemistry	Mounting Type	Current - Charging	Battery Pack Voltage	Charge Current - Max [Max]	Package / Case
Microchip Technology MCP73811T-420I/OT	1	SOT-23-5	6 V	85 °C	-40 °C	Lithium Ion/Polymer	Surface Mount	Constant	4.2 V	450 mA	SC-74A SOT-753

Single Cell, Li-Ion/Li-Polymer Charge Management Controller

• * +/1% Voltage regulation accuracy

• * 4.2V Regulated voltage output

• * On-chip thermal regulation

• * Logic-selectable charge current (85mA or 450mA)

• * Only two external ceramic capacitors required to implement complete charging solution

Tiny 500mA charge management controller in SOT23. Includes pass transistor, integrated current sensing and reverse-discharge protection.