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CL4056 Li-Ion Battery Charger IC ESOP-8

CL4056 Li-Ion Battery Charger IC ESOP-8

SKU Code: # EF-220

Rs. 9.00
Rs. 9.00
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Description

The CL4056 is a high-performance linear battery charger designed for single-cell lithium-ion (Li-ion) batteries. It offers a simple and cost-effective solution for safely charging Li-ion batteries from a USB port or wall adapter. The IC includes integrated current limiting and thermal regulation features, making it highly reliable and efficient for battery charging applications.

Key Features:

  • Input Voltage: Up to 8V input from USB or adapter sources.
  • Charge Current: Adjustable from 100mA to 1A via external resistors.
  • Thermal Regulation: Automatically adjusts charging rate to prevent overheating.
  • Battery Voltage Regulation: Preset voltage of 4.2V for safe Li-ion battery charging.
  • End-of-Charge Current Detection: Automatically stops charging once the battery is fully charged.
  • LED Indicators: Two status pins for charge and full indications (CHRG and DONE).
  • Built-in Protection: Overvoltage, overcurrent, and thermal shutdown protection.
  • Low Dropout Voltage: Ensures charging efficiency even with low input voltage.
  • SOT-23-5 Package: Compact and easy to integrate into space-constrained designs.

Applications:

  • Portable electronics (e.g., smartphones, tablets, MP3 players)
  • USB-powered devices
  • Power banks and battery-powered gadgets
  • Wireless controllers and toys
  • Li-ion/Li-polymer battery charging solutions

Specification:

Parameter Value
Input Voltage Range 4.25V to 8V
Charge Voltage 4.2V (±1%)
Charge Current Adjustable, up to 1000mA
Termination Current 10% of the programmed charge current
Battery Type Single-cell lithium-ion (Li-ion) or lithium-polymer (LiPo)
Package SOT-23-5
Operating Temperature -40°C to 85°C
Protection Features Overvoltage, Overcurrent, Thermal Shutdown
Status Indicators Charging (CHRG), Full Charge (DONE)

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