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LTC4085EDE-4#TRPBF
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LTC4085EDE-4#TRPBF

Product Overview

Category

The LTC4085EDE-4#TRPBF belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for battery charging applications.

Characteristics

The LTC4085EDE-4#TRPBF is known for its high efficiency and versatility in charging various types of batteries. It offers a wide input voltage range and supports multiple charging modes, making it suitable for a range of portable electronic devices.

Package

The LTC4085EDE-4#TRPBF comes in a small form factor package, making it ideal for space-constrained applications. The package type is DFN (Dual Flat No-Lead) and has 12 pins.

Essence

The essence of the LTC4085EDE-4#TRPBF lies in its ability to efficiently charge batteries while providing flexibility and compatibility with different power sources.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Charging Current: Up to 1A
  • Charging Modes: Constant Current/Constant Voltage (CC/CV)
  • Battery Compatibility: Li-Ion, Li-Polymer, and other rechargeable batteries
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LTC4085EDE-4#TRPBF features the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. PROG: Programming pin for setting charging current
  4. STAT: Status output pin
  5. CE: Charge enable pin
  6. TS: Thermistor input pin for temperature monitoring
  7. VBAT: Battery voltage pin
  8. VOUT: Output voltage pin
  9. ISET: Current set pin for programming charging current
  10. BAT: Battery connection pin
  11. INTVCC: Internal voltage supply pin
  12. FLT: Fault output pin

Functional Features

  • Wide input voltage range allows for compatibility with various power sources.
  • High charging efficiency ensures faster and more efficient battery charging.
  • Multiple charging modes (CC/CV) provide optimal charging profiles for different battery chemistries.
  • Integrated thermal regulation protects the battery from overheating during charging.
  • Programmable charging current allows customization based on specific battery requirements.
  • Fault detection and status output pins enable monitoring and diagnostics.

Advantages and Disadvantages

Advantages

  • High charging efficiency leads to reduced charging times.
  • Versatility in charging different types of batteries increases product compatibility.
  • Small form factor package enables space-saving designs.
  • Programmable charging current offers flexibility for different battery capacities.
  • Integrated thermal regulation ensures safe charging operations.

Disadvantages

  • Limited to a maximum charging current of 1A, which may not be suitable for high-capacity batteries.
  • Requires additional external components for complete charging circuit implementation.

Working Principles

The LTC4085EDE-4#TRPBF operates by regulating the charging current and voltage according to the selected charging mode. It uses a combination of constant current and constant voltage charging techniques to ensure efficient and safe charging of the connected battery. The device continuously monitors the battery voltage and adjusts the charging parameters accordingly. Integrated thermal regulation prevents excessive heating during charging, protecting the battery from damage.

Detailed Application Field Plans

The LTC4085EDE-4#TRPBF finds applications in various portable electronic devices that require battery charging capabilities. Some potential application fields include:

  1. Smartphones and tablets
  2. Wearable devices
  3. Portable medical devices
  4. Wireless communication devices
  5. Portable gaming consoles

Detailed and Complete Alternative Models

  1. MCP73831: This IC offers similar charging capabilities with a focus on single-cell Li-Ion/Li-Polymer batteries.
  2. BQ24075: A versatile battery charger IC suitable for various battery chemistries and input sources.
  3. MAX1555: Designed for single-cell Li-Ion/Li-Polymer batteries, this IC provides integrated thermal regulation and charging status outputs.

These alternative models offer comparable features and can be considered as alternatives to the LTC4085EDE-4#TRPBF based on specific application requirements.

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技術ソリューションにおける LTC4085EDE-4#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 LTC4085EDE-4#TRPBF:

  1. Q: What is LTC4085EDE-4#TRPBF? A: LTC4085EDE-4#TRPBF is a high-efficiency standalone linear charger for single-cell lithium-ion batteries.

  2. Q: What is the input voltage range of LTC4085EDE-4#TRPBF? A: The input voltage range of LTC4085EDE-4#TRPBF is from 4.35V to 6V.

  3. Q: What is the maximum charge current supported by LTC4085EDE-4#TRPBF? A: LTC4085EDE-4#TRPBF supports a maximum charge current of 950mA.

  4. Q: Can LTC4085EDE-4#TRPBF be used for charging other types of batteries? A: No, LTC4085EDE-4#TRPBF is specifically designed for single-cell lithium-ion batteries.

  5. Q: Does LTC4085EDE-4#TRPBF have built-in thermal regulation? A: Yes, LTC4085EDE-4#TRPBF has built-in thermal regulation to prevent overheating during charging.

  6. Q: What is the typical efficiency of LTC4085EDE-4#TRPBF? A: The typical efficiency of LTC4085EDE-4#TRPBF is around 90%.

  7. Q: Can LTC4085EDE-4#TRPBF operate in a wide temperature range? A: Yes, LTC4085EDE-4#TRPBF can operate in a temperature range of -40°C to 85°C.

  8. Q: Does LTC4085EDE-4#TRPBF have an automatic recharge feature? A: Yes, LTC4085EDE-4#TRPBF has an automatic recharge feature that starts a new charge cycle if the battery voltage drops below a certain threshold.

  9. Q: Can LTC4085EDE-4#TRPBF be used in portable devices? A: Yes, LTC4085EDE-4#TRPBF is suitable for use in portable devices such as smartphones, tablets, and wearable devices.

  10. Q: What are the key features of LTC4085EDE-4#TRPBF? A: The key features of LTC4085EDE-4#TRPBF include high efficiency, thermal regulation, automatic recharge, and wide temperature range operation.