MCP73837 Series

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

Catalog

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

Part	Number of Cells	Mounting Type	Operating Temperature [Max]	Operating Temperature [Min]	Charge Current - Max [Max]	Current - Charging	Voltage - Supply (Max) [Max]	Interface	Battery Chemistry	Battery Pack Voltage	Package / Case	Supplier Device Package	Package / Case [x]	Package / Case [x]
Microchip Technology MCP73837T-NVI/MF	1	Surface Mount	85 °C	-40 °C	1.1 A	Constant - Programmable	6 V	USB	Lithium Ion/Polymer	4.35 V	10-VFDFN Exposed Pad	10-DFN (3x3)
Microchip Technology MCP73837T-FCI/MF	1	Surface Mount	85 °C	-40 °C	1.1 A	Constant - Programmable	6 V	USB	Lithium Ion/Polymer	4.2 V	10-VFDFN Exposed Pad	10-DFN (3x3)
Microchip Technology MCP73837-FCI/MF	1	Surface Mount	85 °C	-40 °C	1.1 A	Constant - Programmable	6 V	USB	Lithium Ion/Polymer	4.2 V	10-VFDFN Exposed Pad	10-DFN (3x3)
Microchip Technology MCP73837-FJI/UN	1	Surface Mount	85 °C	-40 °C	1.1 A	Constant - Programmable	6 V	USB	Lithium Ion/Polymer	4.2 V	10-MSOP 10-TFSOP	10-MSOP	3 mm	0.118 in
Microchip Technology MCP73837-NVI/MF	1	Surface Mount	85 °C	-40 °C	1.1 A	Constant - Programmable	6 V	USB	Lithium Ion/Polymer	4.35 V	10-VFDFN Exposed Pad	10-DFN (3x3)

Catalog

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

Key Features

• * USB or AC-adapter dual input full-featured Li-ion charger

• * Automatic Power Source Selection

• * Programmable charge current up to 1 A from AC-adapter

• * Integrated USB control with selectable 100mA and 500mA charge rates

• * Automatic charge control with selectable current threshold and safety timer

• * Power good status output

Description

The MCP73837 is a highly integrated full-featured linear Li-ion battery charger with both USB and AC-adapter inputs. Automatic Power Source Selection simplifies the design of battery chargers for applications that are powered from either a USB port or an AC adapter. For USB-powered systems, the MCP73837 specifically adheres to the current limits governed by the USB application. 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 or 10-pin MSOP package.