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LTC1730-4.2 - Lithium-Ion Battery Pulse Charger

Download the LTC1730-4.2 datasheet PDF. This datasheet also covers the LTC1730-4 variant, as both devices belong to the same lithium-ion battery pulse charger family and are provided as variant models within a single manufacturer datasheet.

Key Features

  • s Complete Pulse Charger for 1-Cell Lithium-Ion Batteries s Sense Resistor Limits Maximum Current for Safety s 1% Float Voltage Accuracy s End-of-Charge (C/10) Detection Output s Programmable Charge Termination Timer s Internal 0.35Ω NMOS Switch s No Blocking Diode Required s SEL Pin to Set Either 4.1V or 4.2V/Cell (LTC1730-4) s Low-Battery Drain (1µA Max) when Input Supply Is Removed s Battery Temperature Sensing and Charge Qualification s Automatic Trickle Charge for Low-Battery s Automatic Ba.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LTC1730-4-Linear.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
LTC1731-4.1 Single Cell Lithium-Ion Linear Battery Charger Controllers Linear Technology
LTC1731-4.2 Single Cell Lithium-Ion Linear Battery Charger Controllers Linear Technology
LTC1731-8.2 Lithium-Ion Linear Battery Charger Controller Linear Technology
LTC1731-8.4 Lithium-Ion Linear Battery Charger Controller Linear Technology
LTC1732-4 Lithium-Ion Linear Battery Charger Controller Linear Technology

Other Datasheets by Linear Technology (now Analog Devices)

Part Number Description
LTC1730-4 Lithium-Ion Battery Pulse Charger
LTC1701B 1MHz Step-Down DC/DC Converters
LTC1706-61 5-Bit VID Voltage Programmer
LTC1706-63 5-Bit VID Voltage Programmer
LTC1772B Constant Frequency Current Mode Step-Down DC/DC Controller

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
U U FEATURES s Complete Pulse Charger for 1-Cell Lithium-Ion Batteries s Sense Resistor Limits Maximum Current for Safety s 1% Float Voltage Accuracy s End-of-Charge (C/10) Detection Output s Programmable Charge Termination Timer s Internal 0.35Ω NMOS Switch s No Blocking Diode Required s SEL Pin to Set Either 4.1V or 4.2V/Cell (LTC1730-4) s Low-Battery Drain (1µA Max) when Input Supply Is Removed s Battery Temperature Sensing and Charge Qualification s Automatic Trickle Charge for Low-Battery s Automatic Battery Refresh U APPLICATIO S s Standalone Lithium-Ion Battery Charger s Handheld Computers s Cellular Telephones LTC1730-4/LTC1730-4.2 Lithium-Ion Battery Pulse Charger with Overcurrent Protection DESCRIPTIO The LTC®1730 is a complete pulse charger for 1-cell lithium-ion batteries.