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
