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LTK45101 - Primary Protector and Switch

General Description

The LTK45101 is designed for primary protection of Li-Ion/Polymer rechargeable cells.

The product integrates all the protections required for safe operation of polymer rechargeable cells.

The device is packaged in a tiny and thin package.

Key Features

  • Ultra-Compact Protection Solution.
  • 50mΩ Pass Resistance.
  • Over-Voltage Protection Threshold Option.
  • 4.3V to 5.0V with 0.01V per Step.
  • Battery Under-Voltage Protection.
  • 2.6V/2.7V/2.8V/2.9V Options.
  • Over-Charge /Discharge Current Protection.
  • 0.2A/0.4A/0.6A/0.8A Options.
  • Short-Circuit Protection.
  • 1.5A/3.0A Options.
  • 0V Battery Charge or No-Charge Options.
  • Locked-Off for Delivery/Assembly.
  • Low Current Consumption.

📥 Download Datasheet

Datasheet Details

Part number LTK45101
Manufacturer LTKCHIP TECHNOLOGY
File Size 811.72 KB
Description Primary Protector and Switch
Datasheet download datasheet LTK45101 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
LTK45101 Primary Protector and Switch for Tiny Li-ion or Li-Ion Polymer Battery in XTDFN1x1 Features ⚫ Ultra-Compact Protection Solution ⚫ 50mΩ Pass Resistance ⚫ Over-Voltage Protection Threshold Option – 4.3V to 5.0V with 0.01V per Step ⚫ Battery Under-Voltage Protection – 2.6V/2.7V/2.8V/2.9V Options ⚫ Over-Charge /Discharge Current Protection – 0.2A/0.4A/0.6A/0.8A Options ⚫ Short-Circuit Protection – 1.5A/3.0A Options ⚫ 0V Battery Charge or No-Charge Options ⚫ Locked-Off for Delivery/Assembly ⚫ Low Current Consumption – Operation: 1uA typ. – Power-Down: 0.1uA max. ⚫ Available in Green XTDFN-1x1-4L Package Applications ⚫ Earphone ⚫ Stylus ⚫ Bracelet ⚫ Watch General Description The LTK45101 is designed for primary protection of Li-Ion/Polymer rechargeable cells.