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ISL88739AHRZ-T
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ISL88739AHRZ-T

Product Overview

Category

ISL88739AHRZ-T belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in power management applications.

Characteristics

  • High efficiency
  • Low power consumption
  • Compact size
  • Wide input voltage range

Package

ISL88739AHRZ-T is available in a small outline package (SOP) with a thermal pad for enhanced heat dissipation.

Essence

The essence of this product lies in its ability to efficiently manage power in various electronic devices.

Packaging/Quantity

ISL88739AHRZ-T is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Output Voltage Range: 0.8V to 5.5V
  • Maximum Output Current: 3A
  • Switching Frequency: 1.2MHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL88739AHRZ-T IC has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. COMP: Compensation pin
  6. SS: Soft-start pin
  7. PGND: Power ground pin
  8. VOUT: Output voltage pin

Functional Features

  • Integrated synchronous buck converter
  • Adjustable output voltage
  • Overcurrent protection
  • Thermal shutdown protection
  • Soft-start function for controlled startup

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power loss
  • Wide input voltage range allows for versatile applications
  • Compact size enables integration into space-constrained designs
  • Overcurrent and thermal protection ensure device safety

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications
  • Higher switching frequency may introduce more noise in sensitive circuits

Working Principles

The ISL88739AHRZ-T operates as a synchronous buck converter. It converts the input voltage to a lower, regulated output voltage using high-frequency switching. The integrated control circuitry ensures efficient power transfer while providing various protection features.

Detailed Application Field Plans

The ISL88739AHRZ-T is widely used in the following applications:

  1. Battery-powered devices: Laptops, tablets, smartphones
  2. Industrial equipment: Power supplies, motor drives, LED lighting
  3. Automotive electronics: Infotainment systems, navigation devices, advanced driver-assistance systems (ADAS)

Detailed and Complete Alternative Models

  1. ISL88731AHRZ-T
  2. ISL88732AHRZ-T
  3. ISL88733AHRZ-T
  4. ISL88734AHRZ-T
  5. ISL88735AHRZ-T

These alternative models offer similar functionality and can be considered as alternatives to the ISL88739AHRZ-T.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af ISL88739AHRZ-T i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of ISL88739AHRZ-T in technical solutions:

  1. Q: What is ISL88739AHRZ-T? A: ISL88739AHRZ-T is a highly integrated battery charger IC designed for single-cell Li-ion or Li-polymer batteries used in portable devices.

  2. Q: What is the input voltage range of ISL88739AHRZ-T? A: The input voltage range of ISL88739AHRZ-T is typically between 4.5V and 28V.

  3. Q: What is the charging current range supported by ISL88739AHRZ-T? A: ISL88739AHRZ-T supports a charging current range from 50mA to 2A, which can be programmed using external resistors.

  4. Q: Can ISL88739AHRZ-T charge multiple batteries simultaneously? A: No, ISL88739AHRZ-T is designed to charge a single-cell Li-ion or Li-polymer battery at a time.

  5. Q: Does ISL88739AHRZ-T provide overvoltage protection? A: Yes, ISL88739AHRZ-T provides overvoltage protection to prevent damage to the battery during charging.

  6. Q: Is thermal regulation included in ISL88739AHRZ-T? A: Yes, ISL88739AHRZ-T includes thermal regulation to prevent overheating of the device during charging.

  7. Q: Can ISL88739AHRZ-T operate in a wide temperature range? A: Yes, ISL88739AHRZ-T is designed to operate in a temperature range from -40°C to +85°C.

  8. Q: Does ISL88739AHRZ-T support battery temperature monitoring? A: Yes, ISL88739AHRZ-T supports battery temperature monitoring to ensure safe charging conditions.

  9. Q: Can ISL88739AHRZ-T be used in portable medical devices? A: Yes, ISL88739AHRZ-T is suitable for use in portable medical devices that require single-cell battery charging.

  10. Q: Is there any evaluation board available for ISL88739AHRZ-T? A: Yes, Intersil provides an evaluation board (ISL88739EVAL1Z) for easy testing and prototyping with ISL88739AHRZ-T.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.