MCP73831T-2ACI/OT
Microchip Technology's MCP73831T-2ACI/OT is a battery charger chip made for charging batteries with a continuously controllable current. It has programmable current settings and a maximum supply voltage of 6V. There are surface mount uses for this circuit.
Description
Product parameter
|
Type |
Parameter |
|
Category |
Power Management (PMIC) |
|
Subcategory |
Battery Chargers |
|
Manufacturer |
Microchip Technology |
|
Battery Chemistry |
Lithium Ion/Polymer |
|
Number of Cells |
1 |
|
Current - Charging |
Constant - Programmable |
|
Programmable Features |
Current |
|
Fault Protection |
Over Voltage |
|
Charge Current - Max |
500mA |
|
Battery Pack Voltage |
4.2V |
|
Voltage - Supply (Max) |
6V |
|
Operating Temperature |
-40°C ~ 85°C (TA) |
|
Mounting Type |
Surface Mount |
|
Package / Case |
SC-74A, SOT-753 |
|
Supplier Device Package |
SOT-23-5 |
|
Base Product Number |
MCP73831 |
Features
- Integrated Components:
- It includes an integrated pass transistor and current sensing for efficient charging and protection.
- High-Accuracy Voltage Regulation:
- Provides precise voltage regulation with an accuracy of ±0.75%.
- Programmable Charge Current:
- Allows adjustment of the charge current from 15 mA to 500 mA to suit different battery needs.
- Flexible Preconditioning and End-of-Charge Control:
- Offers selectable preconditioning levels (10%, 20%, 40%, or disable) and end-of-charge thresholds (5%, 7.5%, 10%, or 20%).
- Automatic Power-Down and Thermal Regulation:
- Features thermal regulation to avoid overheating and automatic power-down to save energy.
Application
Charging Lithium-Ion/Lithium-Polymer Batteries: Charges these battery types across a range of devices in an efficient manner.
Handheld Electronic Devices: Ideal for digital cameras, MP3 players, cell phones, and personal data assistants.
USB and wireless devices: Perfect for powering USB devices and Bluetooth headphones.
Small Power Solutions: Enables efficient charging for compact battery-powered gadgets.
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FAQ
Q: What is the MCP73831T-2ACI/OT's maximum charging current?
Q: What is the voltage that this model supports for the battery pack?
Q: What is the MCP73831T's maximum supply voltage?
Q: Is reverse discharge protection included in the MCP73831T?
Q: What kind of output is provided by the charge status?
Q: Is the MCP73831T equipped with heat regulation?
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