TP4057 SOT23-6

₹ 8.00
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  • 10

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  • Input Voltage Range (VCC): 4.0 V to 6.5 V
  • Charge Termination Voltage: 4.2 V ±1%
  • Programmable Charge Current: Up to 500 mA
  • Standby Supply Current: 30 µA (typical)
  • Shutdown Supply Current: 30 µA (typical)
  • Trickle Charge Threshold Voltage: 2.9 V
  • Operating Temperature Range: -40°C to 85°C

Features:

  • Complete Linear Charger: Requires minimal external components, eliminating the need for external MOSFETs, sense resistors, or blocking diodes.
  • Constant Current/Constant Voltage Operation: Ensures efficient and safe charging of lithium-ion batteries.
  • Thermal Regulation: Automatically adjusts the charging current to prevent overheating during high power operation or elevated ambient temperatures.
  • Automatic Recharge: Initiates a new charging cycle if the battery voltage drops below a specified threshold, ensuring the battery remains fully charged.
  • Charge Status Indicators: Provides open-drain outputs for charging and charge completion status, facilitating easy monitoring.
  • Soft-Start Function: Limits inrush current during the start of the charging process to prevent potential damage.
  • Battery Reverse Polarity Protection: Protects the IC and battery in case of incorrect battery insertion.

Applications:

  • Portable devices such as smartphones, tablets, and MP3 players
  • Bluetooth devices
  • Digital cameras
  • Handheld instruments
  • Battery-powered gadgets

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