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TP4058 Li-ion Battery Charger IC – SOT23-5 Package, Single Cell, High Efficiency

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Product SKU: INTEG345

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₹ 25 ~~₹ 39~~

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Highlights

Original, High Quality
KitsGuru Warranty
600mA charge current
Single-cell Li-ion support
USB direct charging
Thermal protection
Auto recharge
SOT23-5 compact package

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🏠 Warehouse Details:

36 H - 170 K

Specification

Description

TP4058 Li-ion Battery Charger IC – SOT23-5 Package, Single Cell, High Efficiency:

The TP4058 is a highly integrated and efficient linear battery charger IC specifically designed for single-cell 3.7V Li-ion/Li-Po batteries. Packaged in a compact SOT23-5, it offers a complete charging solution without the need for external MOSFETs or diodes, making it ideal for space-constrained applications.

Technical Details

Model: TP4058
Package Type: SOT23-5
Battery Type: Single-cell 3.7V Li-ion/Li-Po or lithium titanate
Input Voltage Range: 4V to 9V
Charge Voltage: 4.2V ±1% preset
Programmable Charge Current: Up to 600mA
Charging Method: Trickle → Constant Current → Constant Voltage
Charge Termination: C/10 (automated)
Recharge Threshold: 4.05V (typical)
Shutdown Current: 145μA
Thermal Regulation: Yes, protects against overheating
Status Output: One charge status indication pin
Reverse Battery Protection: Integrated

Features

600mA programmable charge current
Reverse battery protection for lithium-ion batteries
Maximizes charge rate without overheating
Supports single-cell lithium-ion and lithium titanate batteries
Trickle, constant-current, and constant-voltage charging modes
Direct USB charging support – no external MOSFET or diode required
Preset charge voltage with ±1% accuracy
Supports input voltages up to 9V
Automatic battery recharge function
Charge status indication via output pin
C/10 charge termination for safe full charge
Ultra-low 145μA supply current in shutdown
Space-saving 5-lead SOT-23 package

Applications

USB Li-ion Battery Chargers: Enable direct charging of single-cell batteries from USB ports without the need for external protection circuitry.

18650 and Single-Cell Battery Packs: Ideal for charging standard 3.7V Li-ion cells like 18650, commonly used in flashlights, vapes, and battery banks.

Wearable Electronics: Compact SOT23-5 package makes it suitable for space-constrained wearable designs such as fitness trackers and smart bands.

Portable Gadgets and Tools: Used in handheld devices like electric screwdrivers, remote controls, or toys requiring safe and efficient charging circuits.