Intersil
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ISL95521BIRZ
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ISL95521BIRZ

Product Overview

Category

ISL95521BIRZ belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in electronic devices to regulate and control power supply, ensuring efficient and reliable operation.

Characteristics

  • High efficiency power management
  • Compact size
  • Low power consumption
  • Wide input voltage range
  • Multiple protection features

Package

ISL95521BIRZ is available in a small outline integrated circuit (SOIC) package. This package provides mechanical and thermal protection to the IC.

Essence

The essence of ISL95521BIRZ lies in its ability to efficiently manage power supply, ensuring stable and reliable performance of electronic devices.

Packaging/Quantity

ISL95521BIRZ is typically sold in reels containing a quantity of 250 units per reel.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.6V to 3.4V
  • Maximum Output Current: 4A
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: SOIC-8

Detailed Pin Configuration

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

Functional Features

  • Integrated synchronous buck regulator
  • Adjustable output voltage
  • Overcurrent protection
  • Thermal shutdown protection
  • Soft-start function
  • Fault detection and reporting

Advantages and Disadvantages

Advantages

  • High efficiency power management
  • Wide input voltage range
  • Compact size
  • Multiple protection features ensure device safety

Disadvantages

  • Limited maximum output current (4A)
  • Operating temperature range may not be suitable for extreme environments

Working Principles

ISL95521BIRZ operates as a synchronous buck regulator, converting the input voltage to a regulated output voltage. It uses a feedback mechanism to adjust the output voltage based on the desired value. The IC incorporates various protection features to safeguard against overcurrent and thermal issues.

Detailed Application Field Plans

ISL95521BIRZ finds applications in various electronic devices, including but not limited to: - Laptops - Tablets - Smartphones - Portable gaming consoles - IoT devices

Detailed and Complete Alternative Models

  1. ISL95520BIRZ: Similar to ISL95521BIRZ with a lower maximum output current of 3A.
  2. ISL95522BIRZ: Similar to ISL95521BIRZ with a higher maximum output current of 5A.
  3. ISL95523BIRZ: Similar to ISL95521BIRZ with additional features such as adjustable switching frequency.

These alternative models provide similar functionality and can be considered based on specific requirements.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af ISL95521BIRZ i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of ISL95521BIRZ in technical solutions:

  1. Q: What is ISL95521BIRZ? A: ISL95521BIRZ is a highly integrated battery charger controller IC designed for single-cell Li-ion or Li-polymer batteries.

  2. Q: What are the key features of ISL95521BIRZ? A: The key features include high-efficiency charging, programmable charge current/voltage, thermal regulation, overvoltage/overcurrent protection, and USB Type-C support.

  3. Q: Can ISL95521BIRZ be used for fast charging applications? A: Yes, ISL95521BIRZ supports various fast charging protocols such as USB PD, Qualcomm Quick Charge, and Apple Fast Charging.

  4. Q: What is the input voltage range supported by ISL95521BIRZ? A: ISL95521BIRZ can operate with an input voltage range of 3.9V to 24V, making it suitable for a wide range of power sources.

  5. Q: How does ISL95521BIRZ ensure safe charging? A: ISL95521BIRZ incorporates multiple safety features like overvoltage protection, overcurrent protection, thermal regulation, and battery temperature monitoring.

  6. Q: Can ISL95521BIRZ be used in portable devices like smartphones and tablets? A: Yes, ISL95521BIRZ is commonly used in portable devices where single-cell Li-ion or Li-polymer batteries are employed.

  7. Q: Does ISL95521BIRZ support USB Type-C Power Delivery (PD)? A: Yes, ISL95521BIRZ supports USB Type-C PD, allowing for flexible and high-power charging options.

  8. Q: What is the maximum charge current supported by ISL95521BIRZ? A: The maximum charge current can be programmed up to 6A, depending on the application requirements.

  9. Q: Can ISL95521BIRZ be used in automotive applications? A: Yes, ISL95521BIRZ is suitable for automotive applications that require battery charging and management.

  10. Q: Is there any evaluation board available for ISL95521BIRZ? A: Yes, Intersil (now Renesas Electronics) provides an evaluation board called ISL95521EVAL1Z to help users test and evaluate the performance of ISL95521BIRZ in their applications.

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