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LTC4058XEDD-4.2#TRPBF
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LTC4058XEDD-4.2#TRPBF

Product Overview

Category

The LTC4058XEDD-4.2#TRPBF belongs to the category of battery charger ICs.

Use

This product is primarily used for charging lithium-ion batteries.

Characteristics

  • Input Voltage Range: 4.35V to 6V
  • Charge Current: Up to 800mA
  • Programmable Charge Current Limit
  • Automatic Recharge
  • Thermal Regulation
  • Under-Voltage Lockout
  • Overvoltage Protection
  • Reverse Battery Protection

Package

The LTC4058XEDD-4.2#TRPBF comes in a small DFN (Dual Flat No-Lead) package.

Essence

The essence of this product lies in its ability to efficiently and safely charge lithium-ion batteries.

Packaging/Quantity

The LTC4058XEDD-4.2#TRPBF is typically packaged in reels and available in quantities of 2500 units per reel.

Specifications

  • Input Voltage Range: 4.35V to 6V
  • Charge Voltage: 4.2V
  • Charge Current: Up to 800mA
  • Charge Termination Current: 1/10th of the programmed charge current
  • Preconditioning Current: 10% of the programmed charge current
  • Operating Temperature Range: -40°C to 85°C
  • Storage Temperature Range: -65°C to 125°C

Detailed Pin Configuration

The LTC4058XEDD-4.2#TRPBF has the following pin configuration:

  1. VBAT - Battery Voltage Input
  2. PROG - Charge Current Programming Pin
  3. STAT - Status Output Pin
  4. GND - Ground
  5. CE - Charge Enable Pin
  6. TS - Thermal Shutdown Pin

Functional Features

  • Programmable Charge Current Limit: The charge current can be set using an external resistor connected to the PROG pin.
  • Automatic Recharge: When the battery voltage drops below a certain threshold, the charger automatically starts recharging.
  • Thermal Regulation: The device monitors its own temperature and reduces the charge current if it exceeds a certain limit.
  • Under-Voltage Lockout: Prevents charging when the input voltage is below a specified threshold.
  • Overvoltage Protection: Protects the battery from excessive voltage during charging.
  • Reverse Battery Protection: Prevents damage to the charger and battery in case of reverse battery connection.

Advantages and Disadvantages

Advantages

  • Wide input voltage range allows for versatile use.
  • Programmable charge current provides flexibility.
  • Automatic recharge feature ensures continuous operation.
  • Thermal regulation protects against overheating.
  • Comprehensive protection features enhance safety.

Disadvantages

  • Limited maximum charge current may not be suitable for high-capacity batteries.
  • DFN package may require specialized handling during assembly.

Working Principles

The LTC4058XEDD-4.2#TRPBF operates by regulating the charge current and voltage to safely charge lithium-ion batteries. It uses a feedback loop to monitor the battery voltage and adjust the charge current accordingly. The charger also incorporates various protection mechanisms to prevent overcharging, overheating, and reverse battery connection.

Detailed Application Field Plans

The LTC4058XEDD-4.2#TRPBF finds applications in various portable electronic devices that utilize lithium-ion batteries. Some potential application fields include: - Smartphones and tablets - Portable media players - Wireless headphones - GPS devices - Wearable devices

Detailed and Complete Alternative Models

  1. MCP73831T-2ACI/OT: This alternative model offers similar functionality with a slightly different pin configuration.
  2. BQ24075RGTR: This alternative model provides higher charge current capability and additional features such as USB OTG support.
  3. MAX1555EZK+T: This alternative model offers a compact package and integrated power switch for simplified design.

These alternative models can be considered based on specific application requirements and design constraints.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням LTC4058XEDD-4.2#TRPBF у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of LTC4058XEDD-4.2#TRPBF in technical solutions:

  1. Q: What is LTC4058XEDD-4.2#TRPBF? A: LTC4058XEDD-4.2#TRPBF is a specific model of a battery charger IC designed for charging single-cell lithium-ion/polymer batteries.

  2. Q: What is the input voltage range for LTC4058XEDD-4.2#TRPBF? A: The input voltage range for LTC4058XEDD-4.2#TRPBF is typically between 4.35V and 6V.

  3. Q: What is the output voltage of LTC4058XEDD-4.2#TRPBF? A: The output voltage of LTC4058XEDD-4.2#TRPBF is fixed at 4.2V, which is suitable for charging 3.7V lithium-ion/polymer batteries.

  4. Q: Can LTC4058XEDD-4.2#TRPBF charge other types of batteries? A: No, LTC4058XEDD-4.2#TRPBF is specifically designed for charging single-cell lithium-ion/polymer batteries only.

  5. Q: What is the maximum charging current supported by LTC4058XEDD-4.2#TRPBF? A: LTC4058XEDD-4.2#TRPBF supports a maximum charging current of 800mA.

  6. Q: Does LTC4058XEDD-4.2#TRPBF have built-in overcharge protection? A: Yes, LTC4058XEDD-4.2#TRPBF has built-in overcharge protection to prevent the battery from being overcharged.

  7. Q: Can LTC4058XEDD-4.2#TRPBF be used in portable electronic devices? A: Yes, LTC4058XEDD-4.2#TRPBF is commonly used in portable electronic devices like smartphones, tablets, and wearable devices.

  8. Q: Does LTC4058XEDD-4.2#TRPBF have a thermal shutdown feature? A: Yes, LTC4058XEDD-4.2#TRPBF has a thermal shutdown feature that protects the IC from overheating.

  9. Q: What is the typical efficiency of LTC4058XEDD-4.2#TRPBF? A: The typical efficiency of LTC4058XEDD-4.2#TRPBF is around 85-90%.

  10. Q: Is LTC4058XEDD-4.2#TRPBF suitable for fast charging applications? A: No, LTC4058XEDD-4.2#TRPBF is not designed for fast charging applications. It is more suitable for standard charging scenarios.

Please note that these answers are based on general information about LTC4058XEDD-4.2#TRPBF and may vary depending on specific application requirements.