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TP4066-4.2V-DFN228 - Lithium 1 Battery Management IC DFN-8-EP
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The TP4066-4.2V is a compact and efficient linear charging IC designed for single-cell Lithium-ion and Lithium-polymer batteries. Housed in a DFN-8-EP package, this IC provides a complete constant-current/constant-voltage (CC/CV) charging solution with precise 4.2V regulation, making it ideal for portable and space-constrained electronic devices.
Key Features:
- Fixed 4.2V Charging Voltage: Optimized for standard Li-ion/Li-Po batteries
- Integrated Charging Control: Constant current and constant voltage operation
- Programmable Charging Current: Adjustable via external resistor
- No External MOSFET Required: Simplifies circuit design
- Thermal Regulation: Prevents overheating during charging
- Automatic Charge Termination: Stops charging when the battery is fully charged
- Recharge Function: Automatically resumes charging when battery voltage drops
- DFN-8-EP Package: Compact form factor with enhanced thermal performance
Applications:
- Mobile phones and handheld devices
- Power banks and portable chargers
- Bluetooth devices and wearables
- Embedded systems and IoT devices
- DIY battery charging modules
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