Linear Technology/QD Devices
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
LTC4002EDD-4.2#TRPBF
詳細を表示 DataSheets

LTC4002EDD-4.2#TRPBF

Product Overview

Category

LTC4002EDD-4.2#TRPBF belongs to the category of integrated circuits (ICs) and specifically falls under the battery charger ICs.

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

The LTC4002EDD-4.2#TRPBF is a high-performance battery charger IC that offers several key characteristics: - Fast charging capability - High efficiency - Wide input voltage range - Accurate charge termination - Thermal regulation for safe operation - Reverse battery protection

Package

The LTC4002EDD-4.2#TRPBF comes in a small form factor DFN (Dual Flat No-Lead) package, which provides excellent thermal performance and compact size.

Essence

The essence of this product lies in its ability to efficiently and safely charge lithium-ion batteries, ensuring optimal performance and extended battery life for portable electronic devices.

Packaging/Quantity

The LTC4002EDD-4.2#TRPBF is typically available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V - 36V
  • Charge Voltage: 4.2V
  • Charge Current: Up to 2A
  • Operating Temperature Range: -40°C to +85°C
  • Charging Efficiency: >90%
  • Charge Termination Accuracy: ±1%

Detailed Pin Configuration

The LTC4002EDD-4.2#TRPBF features the following pin configuration:

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. PROG (Charge Current Programming)
  4. STAT (Status Indicator)
  5. CE (Charge Enable)
  6. VBAT (Battery Voltage)
  7. TS (Thermal Sense)
  8. BAT (Battery Connection)

Functional Features

The LTC4002EDD-4.2#TRPBF offers the following functional features:

  1. Fast Charging: The IC supports high charge currents, allowing for faster charging times.
  2. Accurate Charge Termination: It employs precise voltage and current monitoring to ensure accurate charge termination, preventing overcharging and battery damage.
  3. Thermal Regulation: The IC incorporates thermal regulation to prevent overheating during charging, ensuring safe operation.
  4. Reverse Battery Protection: The LTC4002EDD-4.2#TRPBF includes reverse battery protection, safeguarding the battery and the charger from potential damage.

Advantages and Disadvantages

Advantages

  • High charging efficiency leads to reduced charging time.
  • Accurate charge termination prevents overcharging and extends battery life.
  • Thermal regulation ensures safe charging operation.
  • Reverse battery protection enhances overall system reliability.

Disadvantages

  • Limited to lithium-ion battery charging applications.
  • Requires additional external components for a complete charging solution.

Working Principles

The LTC4002EDD-4.2#TRPBF operates based on a constant current/constant voltage (CC/CV) charging algorithm. Initially, it delivers a constant current to the battery until the desired voltage is reached. Then, it switches to a constant voltage mode, maintaining a steady voltage while reducing the charging current. This approach ensures efficient and controlled charging of the lithium-ion battery.

Detailed Application Field Plans

The LTC4002EDD-4.2#TRPBF finds extensive application in various portable electronic devices, including: - Smartphones - Tablets - Portable media players - Wearable devices - GPS navigation systems - Digital cameras

Detailed and Complete Alternative Models

  1. LTC4002EDD-4.1#TRPBF: Similar to LTC4002EDD-4.2#TRPBF, but with a charge voltage of 4.1V.
  2. LTC4002EDD-4.3#TRPBF: Similar to LTC4002EDD-4.2#TRPBF, but with a charge voltage of 4.3V.
  3. LTC4002EDD-4.4#TRPBF: Similar to LTC4002EDD-4.2#TRPBF, but with a charge voltage of 4.4V.

These alternative models provide flexibility in charging different lithium-ion battery chemistries or accommodating specific device requirements.

In conclusion, the LTC4002EDD-4.2#TRPBF is a high-performance battery charger IC designed for efficient and safe charging of lithium-ion batteries in various portable electronic devices. With its fast charging capability, accurate charge termination, and thermal regulation, it offers significant advantages while ensuring optimal battery performance and longevity.

技術ソリューションにおける LTC4002EDD-4.2#TRPBF の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of LTC4002EDD-4.2#TRPBF in technical solutions:

  1. Q: What is LTC4002EDD-4.2#TRPBF? A: LTC4002EDD-4.2#TRPBF is a specific model number for a battery charger IC manufactured by Linear Technology (now part of Analog Devices). It is designed to charge single-cell lithium-ion or lithium-polymer batteries.

  2. Q: What is the input voltage range for LTC4002EDD-4.2#TRPBF? A: The input voltage range for LTC4002EDD-4.2#TRPBF is typically between 4.5V and 32V.

  3. Q: What is the charging current range supported by LTC4002EDD-4.2#TRPBF? A: LTC4002EDD-4.2#TRPBF supports a charging current range of up to 2A.

  4. Q: Can LTC4002EDD-4.2#TRPBF be used for fast charging applications? A: Yes, LTC4002EDD-4.2#TRPBF can be used for fast charging applications as it supports high charging currents.

  5. Q: Does LTC4002EDD-4.2#TRPBF have built-in safety features? A: Yes, LTC4002EDD-4.2#TRPBF includes various safety features such as overvoltage protection, overcurrent protection, and thermal shutdown.

  6. Q: Can LTC4002EDD-4.2#TRPBF be used with different battery chemistries? A: No, LTC4002EDD-4.2#TRPBF is specifically designed for lithium-ion and lithium-polymer batteries and may not be suitable for other chemistries.

  7. Q: What is the maximum charging voltage supported by LTC4002EDD-4.2#TRPBF? A: LTC4002EDD-4.2#TRPBF supports a maximum charging voltage of 4.2V, which is commonly used for lithium-ion batteries.

  8. Q: Can LTC4002EDD-4.2#TRPBF be used in portable devices? A: Yes, LTC4002EDD-4.2#TRPBF is suitable for use in portable devices such as smartphones, tablets, and wearable devices.

  9. Q: Does LTC4002EDD-4.2#TRPBF have an integrated power path controller? A: No, LTC4002EDD-4.2#TRPBF does not have an integrated power path controller. It is primarily designed for battery charging applications.

  10. Q: Are there any evaluation boards or reference designs available for LTC4002EDD-4.2#TRPBF? A: Yes, Analog Devices provides evaluation boards and reference designs for LTC4002EDD-4.2#TRPBF, which can help in the development and testing of battery charging solutions.

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