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.

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