TP4054 Li-ion Battery Charger IC – SOT23-5 Package, Single Cell, Low Power
Portable Electronics – Suitable for MP3 players, digital cameras, and handheld gadgets requiring efficient Li-ion charging
IoT and Wireless Sensor Nodes – Powers small battery-operated modules with reliable charging and minimal footprint.
TP4054 Li-ion Battery Charger IC – SOT23-5 Package, Single Cell, Low Power
Available:Out of Stock
- Product SKU: INTEG343
₹ 5
₹ 9

Specification
Description
TP4054 Li-ion Battery Charger IC – SOT23-5 Package, Single Cell, Low Power:
The TP4054 is a complete, single-cell Li-ion battery charger IC designed for space-constrained and low-power applications. Housed in a compact SOT23-5 package, it operates with minimal external components and provides a constant-current/constant-voltage (CC/CV) charging profile optimized for lithium-ion battery safety and performance.Technical Details
- Input Voltage Range: 4.0V to 8.0V
- Charge Voltage: 4.2V (±1%)
- Charge Current: Programmable up to 800mA
- Charging Method: Constant-Current / Constant-Voltage (CC/CV)
- Package: SOT23-5
- Quiescent Current: <100μA
- Standby Current: <2μA
- Thermal Regulation: Reduces charge current to limit die temperature
- Automatic Recharge: When battery voltage drops below 4.05V
- Charge Termination: Automatically terminates when charge current drops to 1/10 of programmed value
Features
- Complete single-cell Li-ion battery charger
- No external MOSFET or blocking diode required
- Low standby current for power-efficient systems
- High accuracy voltage regulation (±1%)
- Thermal feedback to optimize charge cycle and protect the IC
- Automatic recharge and charge termination
- LED status output for charge indication
- Compact SOT23-5 package ideal for space-constrained designs
Applications
Wearable Devices – Ideal for smartwatches, fitness trackers, and health monitors due to low power consumption and compact sizePortable Electronics – Suitable for MP3 players, digital cameras, and handheld gadgets requiring efficient Li-ion charging
IoT and Wireless Sensor Nodes – Powers small battery-operated modules with reliable charging and minimal footprint.
Physical Attributes
- Dimensions: ~2.0mm × 2.1mm × 1.0mm(L x W x H)
- Weight: ~0.05g
Package Includes
- 1 x TP4054 Li-ion Battery Charger IC – SOT23-5 Package, Single Cell, Low Power