LTC4065EDC#TRMPBF

The LTC4065EDC#TRMPBF is a standalone linear battery charger designed to charge single-cell Li-Ion/Polymer batteries in a wide range of portable applications. It features a constant-current/constant-voltage operation with automatic recharge, making it suitable for various battery charging scenarios.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• PROG: Charge current programming resistor connection
• NTC: Negative temperature coefficient thermistor input
• PGND: Power ground
• SENSE-: Negative battery terminal for voltage regulation
• SENSE+: Positive battery terminal for voltage regulation
• TS: Battery thermistor connection
• STAT: Charge status output
• FLT: Fault output indicator
• SCL: I2C serial clock input
• SDA: I2C serial data input
• INTVCC: Internal power supply input
• VIN: Input supply voltage
• ACIN1: AC adapter input

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LTC4065EDC#TRMPBF for a visual representation.

Key Features

• Standalone Battery Charger: The LTC4065EDC#TRMPBF is a standalone charger, eliminating the need for external microcontroller intervention.
• Wide Input Voltage Range: Supports input supply voltages ranging from 4.35V to 6V, accommodating various AC adapter and USB input sources.
• Automatic Recharge: Automatically restarts the charge cycle if the battery voltage falls below the recharge threshold, ensuring continuous battery top-up.
• Programmable Charge Current: Allows flexible programming of the charge current to suit different battery capacities and chemistries.
• I2C Control and Monitoring: Enables communication with external microcontrollers for charge status monitoring and control.

Note: For detailed technical specifications, please refer to the LTC4065EDC#TRMPBF datasheet.

Application

• Portable Devices: Ideal for charging single-cell Li-Ion/Polymer batteries in portable electronic devices such as smartphones, tablets, and portable consumer electronics.
• Medical Devices: Suitable for use in portable medical devices requiring reliable and safe battery charging functionality.
• Portable Instruments: Used in various portable instruments and tools that rely on rechargeable Li-Ion/Polymer batteries.

Functionality

The LTC4065EDC#TRMPBF operates as a standalone linear battery charger, providing constant-current/constant-voltage charging with automatic recharge functionality. It offers a reliable and efficient solution for charging single-cell Li-Ion/Polymer batteries.

Usage Guide

• Power Supply: Connect VIN(Pin 12) to the input supply voltage and GND(Pin 3) to the power ground.
• Battery Connections: Connect the battery terminals (SENSE+ and SENSE-) to the positive and negative terminals of the Li-Ion/Polymer battery.
• Charge Current Programming: Use the PROG pin to connect the charge current programming resistor for setting the desired charge current.

Frequently Asked Questions

Q: What is the input voltage range supported by the LTC4065EDC#TRMPBF?
A: The LTC4065EDC#TRMPBF supports input supply voltages ranging from 4.35V to 6V, making it compatible with various AC adapter and USB input sources.

Q: Can the LTC4065EDC#TRMPBF be used in medical devices?
A: Yes, the LTC4065EDC#TRMPBF is suitable for use in portable medical devices requiring reliable and safe battery charging functionality.