Allicdata Part #: | MCP73871T-2AAI/MLTR-ND |
Manufacturer Part#: |
MCP73871T-2AAI/ML |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Microchip Technology |
Short Description: | IC USB/AC BATT CHRGR W/PPM 20QFN |
More Detail: | Charger IC Lithium-Ion/Polymer 20-QFN (4x4) |
DataSheet: | MCP73871T-2AAI/ML Datasheet/PDF |
Quantity: | 1000 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Battery Chemistry: | Lithium-Ion/Polymer |
Number of Cells: | 1 |
Current - Charging: | Constant - Programmable |
Programmable Features: | Timer |
Fault Protection: | Over Temperature |
Charge Current - Max: | 1.1A |
Battery Pack Voltage: | 4.2V |
Voltage - Supply (Max): | 6V |
Interface: | USB |
Operating Temperature: | -40°C ~ 85°C (TA) |
Package / Case: | 20-VFQFN Exposed Pad |
Supplier Device Package: | 20-QFN (4x4) |
Base Part Number: | MCP73871 |
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MCP73871T-2AAI/ML is a linear Li-Ion/Li-Polymer battery charger. It is a complete system that provides constant-current/constant-voltage (CC/CV) charge regulation along with termination of charging through a micro-power process. It incorporates a number of features that make it suitable for the application of handheld battery powered electronic devices.
The MCP73871T-2AAI/ML is designed to charge one Li-Ion/Li-Polymer cell from an input voltage source from 2.5V to 6V. It can operate from either an AC or DC power adapter or other power sources such as USB. The MCP73871T-2AAI/ML includes an internal limited power FET, current and voltage regulation, charge status output, temperature monitoring, and cell-balancing/conditioning capabilities.
The MCP73871T-2AAI/ML offers constant-current/constant-voltage (CC/CV) charge regulation by utilizing pulse modulation of the charging current and voltage. This ensures that the battery is charged with safety and efficiency. The MCP73871T-2AAI/ML also terminates charging when the battery is fully charged. It has adjustable charging parameters, allowing for optimal charging of different types of Li-Ion and Li-Polymer batteries. Additionally, the MCP73871T-2AAI/ML includes cell-balancing/conditioning features, which provides cell cycle balance, temperature compensation, and over-voltage protection.
MCP73871T-2AAI/ML is commonly used in handheld electronic devices such as smartphones, PDAs, MP3 players, GPS devices, digital cameras, and other portable devices. The charging circuitry of the MCP73871T-2AAI/ML enables high efficiency with no need for external components, saving space and reducing assembly cost. Its small size and low power consumption makes it an ideal choice for embedded Li-Ion/Li-Polymer charging applications.
MCP73871T-2AAI/ML performs the following operations:
- Power Supply Regulation
- Constant-current/constant-voltage (CC/CV) Operation
- Charge Status Output
- The MCP73871T-2AAI/ML provides an output that indicates the beginning, end, and duration of the charging process.
- Temperature Monitoring
- The MCP73871T-2AAI/ML includes temperature monitoring to ensure that the temperature of the battery cell does not exceed the maximum operating temperature.
- Cell Balancing/Conditioning
- The MCP73871T-2AAI/ML provides cell-balancing/conditioning features to ensure optimal charging of the cell.
- Over-Voltage Protection
- The MCP73871T-2AAI/ML includes over-voltage protection that prevents the battery from being over charged.
In summary, MCP73871T-2AAI/ML is an integrated, compact battery charger for Li-Ion/Li-Polymer batteries. It features constant-current/constant-voltage charge regulation, charge status output, temperature monitoring, and cell-balancing/conditioning features. It is an ideal choice for handheld electronic devices, and its small size, low power consumption, and absence of external components make it a great solution for embedded Li-Ion/Li-Polymer charging applications.
The specific data is subject to PDF, and the above content is for reference
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