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LTC4065LEDC-4.1#TRPBF
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LTC4065LEDC-4.1#TRPBF

Product Overview

Category

The LTC4065LEDC-4.1#TRPBF belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

This product is primarily used for charging lithium-ion batteries in various electronic devices such as smartphones, tablets, portable media players, and other portable electronic devices.

Characteristics

  • Input Voltage Range: 4.35V to 6V
  • Charge Current: Up to 950mA
  • Programmable Charge Current Limit
  • Automatic Recharge
  • Thermal Regulation for Optimal Charging Rate
  • Undervoltage Lockout
  • Overvoltage Protection
  • Reverse Battery Protection
  • Low Quiescent Current

Package

The LTC4065LEDC-4.1#TRPBF is available in a small 10-lead DFN (Dual Flat No-Lead) package, which provides excellent thermal performance and compact size.

Essence

The essence of the LTC4065LEDC-4.1#TRPBF lies in its ability to efficiently charge lithium-ion batteries while providing essential protection features to ensure safe and reliable operation.

Packaging/Quantity

This product is typically supplied in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

  • Input Voltage Range: 4.35V to 6V
  • Charge Voltage: 4.1V
  • Charge Current: Up to 950mA
  • Preconditioning Current: 10% of Programmed Charge Current
  • Charge Termination: C/10
  • Operating Temperature Range: -40°C to 85°C
  • Quiescent Current: 30µA
  • Package Type: 10-Lead DFN

Detailed Pin Configuration

The LTC4065LEDC-4.1#TRPBF features the following pin configuration:

  1. VIN: Input Voltage
  2. GND: Ground
  3. PROG: Charge Current Programming Pin
  4. STAT: Status Output Pin
  5. CE: Enable Pin
  6. TS: Thermal Sense Pin
  7. BAT: Battery Connection
  8. VOUT: Regulated Output Voltage
  9. N/C: No Connection
  10. N/C: No Connection

Functional Features

Programmable Charge Current Limit

The LTC4065LEDC-4.1#TRPBF allows users to program the charge current limit according to their specific battery requirements, providing flexibility and compatibility with various lithium-ion batteries.

Automatic Recharge

Upon completion of the charging cycle, the LTC4065LEDC-4.1#TRPBF automatically initiates a recharge cycle if the battery voltage drops below a certain threshold, ensuring continuous availability of power.

Thermal Regulation for Optimal Charging Rate

To prevent overheating and optimize charging efficiency, the LTC4065LEDC-4.1#TRPBF incorporates thermal regulation, adjusting the charging rate based on the temperature of the device.

Advantages

  • Wide input voltage range allows compatibility with different power sources.
  • Comprehensive protection features ensure safe and reliable battery charging.
  • Small package size enables space-saving integration into compact electronic devices.
  • Programmable charge current limit provides flexibility for various battery types.

Disadvantages

  • Limited to lithium-ion battery charging applications.
  • Requires careful consideration of thermal management due to high charge currents.

Working Principles

The LTC4065LEDC-4.1#TRPBF operates by regulating the charging current and voltage supplied to the connected lithium-ion battery. It monitors the battery voltage, temperature, and charging status to ensure optimal charging performance while protecting against overvoltage, undervoltage, and reverse battery connection.

The charge current can be programmed using an external resistor connected to the PROG pin. The device also incorporates thermal regulation to adjust the charging rate based on the temperature sensed through the TS pin, preventing excessive heating and potential damage to the battery.

Detailed Application Field Plans

The LTC4065LEDC-4.1#TRPBF finds extensive application in various portable electronic devices that utilize lithium-ion batteries. Some of the key application fields include:

  1. Smartphones
  2. Tablets
  3. Portable Media Players
  4. Wearable Devices
  5. Bluetooth Headsets
  6. GPS Navigation Systems
  7. Digital Cameras
  8. Handheld Gaming Consoles

Detailed and Complete Alternative Models

  1. MCP73831: A similar integrated circuit designed for single-cell lithium-ion battery charging applications. It offers programmable charge current, thermal regulation, and comprehensive protection features.
  2. BQ24075: Another IC suitable for lithium-ion battery charging, featuring a wide input voltage range, programmable charge current, and automatic recharge functionality.
  3. MAX1555: An alternative model with integrated USB interface for charging lithium-ion batteries from

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LTC4065LEDC-4.1#TRPBF i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of LTC4065LEDC-4.1#TRPBF in technical solutions:

Q1: What is the LTC4065LEDC-4.1#TRPBF? A1: The LTC4065LEDC-4.1#TRPBF is a specific model of battery charger IC designed for charging single-cell lithium-ion/polymer batteries.

Q2: What is the input voltage range of LTC4065LEDC-4.1#TRPBF? A2: The input voltage range of LTC4065LEDC-4.1#TRPBF is typically between 4.35V and 6V.

Q3: What is the maximum charge current supported by LTC4065LEDC-4.1#TRPBF? A3: The maximum charge current supported by LTC4065LEDC-4.1#TRPBF is typically 800mA.

Q4: Can LTC4065LEDC-4.1#TRPBF be used for fast charging applications? A4: Yes, LTC4065LEDC-4.1#TRPBF supports fast charging with its high charge current capability.

Q5: Does LTC4065LEDC-4.1#TRPBF have built-in thermal regulation? A5: Yes, LTC4065LEDC-4.1#TRPBF has built-in thermal regulation to prevent overheating during charging.

Q6: Is LTC4065LEDC-4.1#TRPBF suitable for portable devices? A6: Yes, LTC4065LEDC-4.1#TRPBF is commonly used in portable devices like smartphones, tablets, and wearable devices.

Q7: Can LTC4065LEDC-4.1#TRPBF charge multiple batteries simultaneously? A7: No, LTC4065LEDC-4.1#TRPBF is designed for charging a single-cell lithium-ion/polymer battery at a time.

Q8: What are the safety features of LTC4065LEDC-4.1#TRPBF? A8: LTC4065LEDC-4.1#TRPBF includes various safety features like overvoltage protection, undervoltage lockout, and thermal shutdown.

Q9: Does LTC4065LEDC-4.1#TRPBF have an integrated LED driver? A9: Yes, LTC4065LEDC-4.1#TRPBF has an integrated LED driver that can be used to drive an external LED indicator.

Q10: Can LTC4065LEDC-4.1#TRPBF operate in a wide temperature range? A10: Yes, LTC4065LEDC-4.1#TRPBF is designed to operate in a wide temperature range, typically from -40°C to 85°C.

Please note that these answers are general and may vary depending on the specific application and requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.