MCP73123 Series

Lithium Iron Phosphate Battery Charge Management Controller

Catalog

Lithium Iron Phosphate Battery Charge Management Controller

Part	Battery Pack Voltage	Mounting Type	Battery Chemistry	Supplier Device Package	Fault Protection	Voltage - Supply (Max) [Max]	Current - Charging	Number of Cells	Charge Current - Max [Max]	Programmable Features	Operating Temperature [Max]	Operating Temperature [Min]	Package / Case
Microchip Technology MCP73123-22SI/MF	3.6 V	Surface Mount	Lithium Iron Phosphate	10-DFN (3x3)	Over Temperature Over Voltage Reverse Current	16 V	Constant - Programmable	1	1.1 A	Current Timer	85 °C	-40 °C	10-VFDFN Exposed Pad

Catalog

Lithium Iron Phosphate Battery Charge Management Controller

Key Features

• * Integrated Input Overvoltage Protection

• * Integrated Pass Transistor

• * Integrated Current Sense

• * Integrated Reverse Discharge Protection

• * Constant Current / Constant Voltage Operation with Thermal Regulation

• * Resistor Programmable Fast Charge Current: 130 mA - 1100 mA

• * 4.15V Undervoltage Lockout (UVLO)

• * 18V Absolute Maximum Input

• * Overvoltage Protection (OVP): 6.5V

• * Available options: 10% or Disable

• * Packaging: DFN-10 (3 mm x 3 mm)

Description

The MCP73123 is a single cell, highly integrated LiFePO4 (lithium iron phosphate) battery charge management controller for use in space-limited and cost-sensitive applications. The MCP73123 can accept an absolute maximum of 18V input and provides a 6.5V overvoltage protection. The output current can is programmable to be between 130 mA and 1.1A. The MCP73123 is specified over the ambient temperature range of -40°C to +85°C and is available in a 10 lead, 3x3 mm DFN package.