Specification	MCP73834-CNI/MF

Battery Chemistry	Lithium Ion/Polymer
Battery Pack Voltage	4.2 V
Charge Current - Max [Max]	1.1 A
Current - Charging	Constant - Programmable
Fault Protection	Over Temperature
Mounting Type	Surface Mount
Number of Cells	1
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Package / Case	10-VFDFN Exposed Pad
Programmable Features	Current
Supplier Device Package	10-DFN (3x3)
Voltage - Supply (Max) [Max]	6 V

MCP73834 Series

Stand-Alone Linear Li-Ion/Li-Polymer Charge Management Controller

Part	Programmable Features	Operating Temperature [Max]	Operating Temperature [Min]	Supplier Device Package	Current - Charging	Battery Chemistry	Fault Protection	Charge Current - Max [Max]	Number of Cells	Package / Case	Battery Pack Voltage	Mounting Type	Voltage - Supply (Max) [Max]	Package / Case [x]	Package / Case [x]
Microchip Technology MCP73834-CNI/MF	Current	85 °C	-40 °C	10-DFN (3x3)	Constant - Programmable	Lithium Ion/Polymer	Over Temperature	1.1 A	1	10-VFDFN Exposed Pad	4.2 V	Surface Mount	6 V
Microchip Technology MCP73834T-GPI/UN	Current	85 °C	-40 °C	10-MSOP	Constant - Programmable	Lithium Ion/Polymer	Over Temperature	1.1 A	1	10-MSOP 10-TFSOP	4.2 V	Surface Mount	6 V	3 mm	0.118 in
Microchip Technology MCP73834T-NVI/UN	Current	85 °C	-40 °C	10-MSOP	Constant - Programmable	Lithium Ion/Polymer	Over Temperature	1.1 A	1	10-MSOP 10-TFSOP	4.35 V	Surface Mount	6 V	3 mm	0.118 in
Microchip Technology MCP73834T-NVI/MF	Current	85 °C	-40 °C	10-DFN (3x3)	Constant - Programmable	Lithium Ion/Polymer	Over Temperature	1.1 A	1	10-VFDFN Exposed Pad	4.35 V	Surface Mount	6 V
Microchip Technology MCP73834-FCI/UN	Current	85 °C	-40 °C	10-MSOP	Constant - Programmable	Lithium Ion/Polymer	Over Temperature	1.1 A	1	10-MSOP 10-TFSOP	4.2 V	Surface Mount	6 V	3 mm	0.118 in
Microchip Technology MCP73834T-FCI/UN	Current	85 °C	-40 °C	10-MSOP	Constant - Programmable	Lithium Ion/Polymer	Over Temperature	1.1 A	1	10-MSOP 10-TFSOP	4.2 V	Surface Mount	6 V	3 mm	0.118 in
Microchip Technology MCP73834-FCI/MF	Current	85 °C	-40 °C	10-DFN (3x3)	Constant - Programmable	Lithium Ion/Polymer	Over Temperature	1.1 A	1	10-VFDFN Exposed Pad	4.2 V	Surface Mount	6 V
Microchip Technology MCP73834-GPI/MF	Current	85 °C	-40 °C	10-DFN (3x3)	Constant - Programmable	Lithium Ion/Polymer	Over Temperature	1.1 A	1	10-VFDFN Exposed Pad	4.2 V	Surface Mount	6 V
Microchip Technology MCP73834T-CNI/UN	Current	85 °C	-40 °C	10-MSOP	Constant - Programmable	Lithium Ion/Polymer	Over Temperature	1.1 A	1	10-MSOP 10-TFSOP	4.2 V	Surface Mount	6 V	3 mm	0.118 in
Microchip Technology MCP73834-GPI/UN	Current	85 °C	-40 °C	10-MSOP	Constant - Programmable	Lithium Ion/Polymer	Over Temperature	1.1 A	1	10-MSOP 10-TFSOP	4.2 V	Surface Mount	6 V	3 mm	0.118 in

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tube	1	$ 1.14
		25	$ 0.97
		100	$ 0.88
Microchip Direct	TUBE	1	$ 1.14
		25	$ 0.97
		100	$ 0.88
		1000	$ 0.86
		5000	$ 0.83
Newark	Each	100	$ 0.93

Description

General part information

MCP73834 Series

1A output current linear charge management controller. Includes integrated pass transistor, integrated current sensing, and reverse discharge protection. Also includes safety features such as cell temperature monitoring, on-chip thermal regulation and safety timers. Available in 10-pin 3mm x 3mm DFN package and 10-pin MSOP package

Documents

Technical documentation and resources

Power Management in Portable Applications: Charging Lithium-Ion/Lithium-Polymer Batteries

Application Notes

Electronic Solutions for Medical and Fitness

Brochures

Stand-Alone Linear Li-Ion / Li-Polymer Charge Management Controller Data Sheet

Data Sheets

Portable Power Conversion Design Guide

TC1262 Datasheet

Datasheet

MCP73834-CNI/MF

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MCP73834-CNI/MF

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Technical Specifications

MCP73834 Series

Pricing

Description

MCP73834 Series

Documents

Product Change Notice EN

Analog and Interface Product Selector Guide

USB Port-Powered Li-Ion/Li-Polymer Battery Charging

Power Management in Portable Applications: Charging Lithium-Ion/Lithium-Polymer Batteries

Electronic Solutions for Medical and Fitness

Stand-Alone Linear Li-Ion / Li-Polymer Charge Management Controller Data Sheet

Portable Power Conversion Design Guide

TC1262 Datasheet

MCP73834 Series