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MCP73833

Microchip Technology
Part Number MCP73833
Manufacturer Microchip Technology
Description (MCP73833 / MCP73834) Microcontrollers
Published Nov 10, 2006
Detailed Description MCP73833/4 Stand-Alone Linear Li-Ion / Li-Polymer Charge Management Controller Features • Complete Linear Charge Manag...
Datasheet PDF File MCP73833 PDF File

MCP73833
MCP73833

Overview
MCP73833/4 Stand-Alone Linear Li-Ion / Li-Polymer Charge Management Controller Features • Complete Linear Charge Management Controller - Integrated Pass Transistor - Integrated Current Sense - Integrated Reverse Discharge Protection • Constant Current / Constant Voltage Operation with Thermal Regulation • High Accuracy Preset Voltage Regulation: - 4.
2V, 4.
35V, 4.
4V, or 4.
5V, + 0.
75% • Programmable Charge Current: 1A Maximum • Preconditioning of Deeply Depleted Cells - Selectable Current Ratio - Selectable Voltage Threshold • Automatic End-of-Charge Control - Selectable Current Threshold - Selectable Safety Time Period • Automatic Recharge - Selectable Voltage Threshold • Two Charge Status Outputs • Cell Temperature Monitor • Low-Dropout Linear Regulator Mode • Automatic Power-Down when Input Power Removed • Under Voltage Lockout • 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 • Available Packages: - DFN-10 (3 mm x 3 mm) - MSOP-10 Applications • Lithium-Ion / Lithium-Polymer Battery Chargers • Personal Data Assistants • Cellular Telephones • Digital Cameras • MP3 Players • Bluetooth Headsets • USB Chargers Description The MCP73833/4 is a highly advanced linear charge management controller for use in space-limited, cost sensitive applications.
The MCP73833/4 is available in a 10-Lead, 3 mm x 3 mm DFN package or a 10-Lead, MSOP package.
Along with its small physical size, the low number of external components required makes the MCP73833/4 ideally suited for portable applications.
For applications charging from a USB port, the MCP73833/4 can adhere to all the specifications governing the USB power bus.
The MCP73833/4 employs a constant current/constant voltage charge algorithm with selectable preconditioning and charge termination.
The constant voltage regulation is fixed with four available options: 4.
2...


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