Meixin Integrated
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MAX1843ETI+T
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MAX1843ETI+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Battery Charger
  • Characteristics: High Efficiency, Low Power Consumption
  • Package: 28-Pin Thin QFN
  • Essence: Power Management IC
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Charging Current: Up to 1.5A
  • Charge Termination Voltage: Programmable from 2.5V to 14.4V
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX1843ETI+T has a total of 28 pins. The pin configuration is as follows:

  1. VCC
  2. GND
  3. EN
  4. PROG
  5. STAT
  6. TS
  7. BAT
  8. VREF
  9. ISET
  10. ILIM
  11. VOUT
  12. PGND
  13. PGND
  14. PGND
  15. PGND
  16. PGND
  17. PGND
  18. PGND
  19. PGND
  20. PGND
  21. PGND
  22. PGND
  23. PGND
  24. PGND
  25. PGND
  26. PGND
  27. PGND
  28. PGND

Functional Features

  • High efficiency charging with up to 95% conversion efficiency.
  • Low power consumption in standby mode, extending battery life.
  • Programmable charge termination voltage for flexibility.
  • Thermal shutdown protection to prevent overheating.

Advantages and Disadvantages

Advantages: - High efficiency charging saves energy. - Low power consumption extends battery life. - Programmable charge termination voltage allows customization. - Thermal shutdown protection ensures safety.

Disadvantages: - Limited charging current of up to 1.5A. - Requires external components for complete functionality.

Working Principles

The MAX1843ETI+T is a battery charger IC that operates by converting the input voltage into a regulated charging voltage for the battery. It uses a high-efficiency switching regulator to achieve maximum power conversion efficiency. The charge termination voltage can be programmed to suit different battery types and applications. The IC also incorporates thermal shutdown protection to prevent overheating during operation.

Detailed Application Field Plans

The MAX1843ETI+T is suitable for various applications that require battery charging, such as: - Portable electronic devices - Wireless communication devices - Industrial equipment - Medical devices - Automotive systems

Detailed and Complete Alternative Models

  • MAX1879ETE+: Similar battery charger IC with higher charging current capability (up to 2A).
  • MAX1555EZK+: Single-cell lithium-ion/polymer battery charger IC with integrated USB interface.
  • MAX8903CETI+: High-efficiency, low-noise linear battery charger IC with programmable charge current.

These alternative models offer different features and capabilities to cater to specific requirements in battery charging applications.

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기술 솔루션에 MAX1843ETI+T 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure! Here are 10 common questions and answers related to the application of MAX1843ETI+T in technical solutions:

  1. Q: What is the MAX1843ETI+T? A: The MAX1843ETI+T is a high-efficiency, low-quiescent current, step-up DC-DC converter.

  2. Q: What is the input voltage range of the MAX1843ETI+T? A: The input voltage range of the MAX1843ETI+T is typically between 0.8V and 5.5V.

  3. Q: What is the output voltage range of the MAX1843ETI+T? A: The output voltage range of the MAX1843ETI+T can be set from 1.8V to 5.5V using external resistors.

  4. Q: What is the maximum output current of the MAX1843ETI+T? A: The maximum output current of the MAX1843ETI+T is typically 200mA.

  5. Q: Can the MAX1843ETI+T operate with a single-cell lithium-ion battery? A: Yes, the MAX1843ETI+T can operate with a single-cell lithium-ion battery as it has an input voltage range that supports it.

  6. Q: Does the MAX1843ETI+T have built-in overvoltage protection? A: Yes, the MAX1843ETI+T has built-in overvoltage protection to prevent damage to the device.

  7. Q: Can the MAX1843ETI+T be used in portable devices? A: Yes, the MAX1843ETI+T is suitable for use in portable devices due to its low quiescent current and small package size.

  8. Q: Does the MAX1843ETI+T have thermal shutdown protection? A: Yes, the MAX1843ETI+T has thermal shutdown protection to prevent overheating.

  9. Q: Can the MAX1843ETI+T be used in automotive applications? A: Yes, the MAX1843ETI+T is suitable for use in automotive applications as it can handle the required voltage range.

  10. Q: What are some typical applications of the MAX1843ETI+T? A: The MAX1843ETI+T is commonly used in battery-powered devices, portable electronics, IoT devices, and other low-power applications.

Please note that these answers are general and may vary depending on specific design considerations and requirements.