Linear Technology/QD Devices
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LTC4007EGN#PBF
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LTC4007EGN#PBF

Product Overview

Category

LTC4007EGN#PBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in battery charging applications.

Characteristics

  • High efficiency
  • Wide input voltage range
  • Fast charging capability
  • Overvoltage protection
  • Thermal shutdown protection

Package

LTC4007EGN#PBF is available in a 16-pin SSOP package.

Essence

The essence of LTC4007EGN#PBF lies in its ability to efficiently charge batteries while providing various protection features.

Packaging/Quantity

This product is typically packaged in reels and comes in quantities of 250 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 36V
  • Charging Current Range: Up to 4A
  • Charge Termination Options: C/10 or timer
  • Battery Voltage Range: 2V to 34V
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. VCC: Supply voltage pin
  4. BAT: Battery connection pin
  5. PROG: Programming pin for charge termination options
  6. TIMER: Timer programming pin
  7. ISET: Current limit programming pin
  8. STAT: Status output pin
  9. TS: Thermal shutdown pin
  10. SENSE: Sense resistor connection pin
  11. ILIM: Current limit programming pin
  12. FLT: Fault indicator pin
  13. VFB: Feedback voltage pin
  14. COMP: Compensation pin
  15. SS: Soft-start pin
  16. PGND: Power ground pin

Functional Features

  • Constant current/constant voltage charging
  • Automatic recharge
  • Programmable charge termination options
  • Battery temperature monitoring
  • Fault detection and indication

Advantages and Disadvantages

Advantages

  • High charging efficiency leads to faster charging times
  • Wide input voltage range allows for versatile applications
  • Overvoltage protection ensures safe charging
  • Thermal shutdown protection prevents overheating

Disadvantages

  • Limited availability in certain package types
  • Relatively high cost compared to some alternatives

Working Principles

LTC4007EGN#PBF operates on the principle of constant current/constant voltage charging. It regulates the charging current until a predefined battery voltage is reached, at which point it switches to constant voltage mode. The charge termination can be set using either a C/10 rate or a timer.

The IC continuously monitors the battery temperature and provides thermal shutdown protection if the temperature exceeds a specified threshold. It also incorporates fault detection circuitry to detect abnormal conditions during charging.

Detailed Application Field Plans

LTC4007EGN#PBF finds extensive use in various battery charging applications, including: - Portable electronic devices - Electric vehicles - Solar power systems - Industrial equipment - Medical devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to LTC4007EGN#PBF include: - MCP73871 - BQ24650 - MAX1555 - LT3652

These models provide comparable features and can be considered as alternatives depending on specific requirements.

In conclusion, LTC4007EGN#PBF is a highly efficient integrated circuit designed for battery charging applications. With its wide input voltage range, fast charging capability, and various protection features, it offers significant advantages in terms of charging speed and safety. Its application field spans across multiple industries, making it a versatile choice for battery charging needs.

Énumérez 10 questions et réponses courantes liées à l'application de LTC4007EGN#PBF dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of LTC4007EGN#PBF in technical solutions:

  1. Q: What is LTC4007EGN#PBF? A: LTC4007EGN#PBF is a high-performance standalone battery charger IC designed for charging single-cell lithium-ion/polymer batteries.

  2. Q: What is the input voltage range supported by LTC4007EGN#PBF? A: The input voltage range supported by LTC4007EGN#PBF is typically between 4.5V and 32V.

  3. Q: Can LTC4007EGN#PBF charge multiple batteries simultaneously? A: No, LTC4007EGN#PBF is designed to charge a single-cell lithium-ion/polymer battery at a time.

  4. Q: What is the maximum charging current provided by LTC4007EGN#PBF? A: LTC4007EGN#PBF can provide a maximum charging current of up to 4A.

  5. Q: Does LTC4007EGN#PBF support fast charging? A: Yes, LTC4007EGN#PBF supports fast charging with programmable charge current and termination settings.

  6. Q: Can LTC4007EGN#PBF operate in a wide temperature range? A: Yes, LTC4007EGN#PBF is designed to operate in a temperature range of -40°C to 85°C.

  7. Q: Does LTC4007EGN#PBF have built-in safety features? A: Yes, LTC4007EGN#PBF includes various safety features like thermal shutdown, reverse battery protection, and overvoltage protection.

  8. Q: Can LTC4007EGN#PBF be used in portable devices? A: Yes, LTC4007EGN#PBF is suitable for use in portable devices like smartphones, tablets, and wearable devices.

  9. Q: What is the typical efficiency of LTC4007EGN#PBF? A: The typical efficiency of LTC4007EGN#PBF is around 90%, ensuring efficient battery charging.

  10. Q: Are there any evaluation boards or reference designs available for LTC4007EGN#PBF? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs to help users implement LTC4007EGN#PBF in their applications.

Please note that the answers provided here are general and may vary depending on specific application requirements and datasheet specifications.