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
