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ISL88750HRZ-T
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ISL88750HRZ-T

Product Overview

Category

ISL88750HRZ-T belongs to the category of integrated circuits (ICs).

Use

It is primarily used as a battery charger controller.

Characteristics

  • High efficiency
  • Wide input voltage range
  • Accurate voltage and current regulation
  • Overvoltage protection
  • Thermal shutdown protection

Package

ISL88750HRZ-T is available in a small outline package (SOP) with 8 pins.

Essence

The essence of ISL88750HRZ-T lies in its ability to efficiently regulate voltage and current during battery charging.

Packaging/Quantity

ISL88750HRZ-T is typically packaged in reels, with each reel containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Charging Voltage Range: 3.6V to 24V
  • Charging Current Range: Up to 4A
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

ISL88750HRZ-T features the following pin configuration:

  1. VCC: Power supply input
  2. GND: Ground reference
  3. BAT: Battery connection
  4. TS: Thermistor input for temperature monitoring
  5. PROG: Programming pin for setting charging parameters
  6. STAT: Status output pin
  7. CE: Charge enable control input
  8. ISET: Current limit programming pin

Functional Features

  • Constant voltage and constant current charging modes
  • Programmable charging parameters
  • Automatic charge termination based on user-defined criteria
  • LED status indication
  • Fault detection and reporting

Advantages and Disadvantages

Advantages

  • High efficiency leads to faster charging times
  • Wide input voltage range allows compatibility with various power sources
  • Accurate voltage and current regulation ensures safe and optimal charging
  • Overvoltage protection safeguards the battery from damage
  • Thermal shutdown protection prevents overheating

Disadvantages

  • Limited charging current range may not be suitable for high-capacity batteries
  • Requires external components for complete charging circuit implementation

Working Principles

ISL88750HRZ-T operates based on a switching regulator topology. It utilizes a feedback mechanism to regulate the charging voltage and current. The IC continuously monitors the battery's state and adjusts the charging parameters accordingly. It switches between constant voltage and constant current modes to ensure efficient and controlled charging.

Detailed Application Field Plans

ISL88750HRZ-T finds applications in various fields, including: 1. Portable electronic devices 2. Power banks 3. Electric vehicles 4. Industrial equipment 5. Renewable energy systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to ISL88750HRZ-T include: 1. LTC4000-1 2. MAX8903A 3. BQ24650 4. MCP73871

These models can be considered as alternatives based on specific requirements and design considerations.

Note: The content provided above is a general outline and may require further elaboration and refinement to reach the desired word count of 1100 words.

Перечислите 10 распространенных вопросов и ответов, связанных с применением ISL88750HRZ-T в технических решениях.

Sure! Here are 10 common questions and answers related to the application of ISL88750HRZ-T in technical solutions:

  1. Q: What is the ISL88750HRZ-T? A: The ISL88750HRZ-T is a highly integrated battery charger controller IC designed for single-cell Li-ion or Li-polymer batteries.

  2. Q: What is the input voltage range supported by the ISL88750HRZ-T? A: The ISL88750HRZ-T supports an input voltage range of 4.5V to 28V.

  3. Q: What is the maximum charging current that can be achieved with the ISL88750HRZ-T? A: The ISL88750HRZ-T can achieve a maximum charging current of up to 4A.

  4. Q: Can the ISL88750HRZ-T be used for fast charging applications? A: Yes, the ISL88750HRZ-T supports fast charging with programmable charge current and voltage limits.

  5. Q: Does the ISL88750HRZ-T have built-in thermal protection? A: Yes, the ISL88750HRZ-T features built-in thermal protection to prevent overheating during charging.

  6. Q: Can the ISL88750HRZ-T be used for wireless charging applications? A: No, the ISL88750HRZ-T is not specifically designed for wireless charging applications.

  7. Q: What is the typical efficiency of the ISL88750HRZ-T? A: The typical efficiency of the ISL88750HRZ-T is around 90%.

  8. Q: Does the ISL88750HRZ-T support battery temperature monitoring? A: Yes, the ISL88750HRZ-T supports battery temperature monitoring for safe charging.

  9. Q: Can the ISL88750HRZ-T be used in portable devices like smartphones or tablets? A: Yes, the ISL88750HRZ-T is suitable for use in portable devices that require single-cell Li-ion or Li-polymer battery charging.

  10. Q: What are some typical applications of the ISL88750HRZ-T? A: The ISL88750HRZ-T can be used in various applications such as power banks, handheld devices, portable medical equipment, and industrial devices requiring battery charging functionality.

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