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ISL9519HRTZ
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ISL9519HRTZ

Product Overview

Category

The ISL9519HRTZ belongs to the category of voltage regulators.

Use

It is used as a high-efficiency, low quiescent current, synchronous buck regulator for applications with an input voltage range of 2.7V to 5.5V.

Characteristics

  • High efficiency
  • Low quiescent current
  • Synchronous buck regulator

Package

The ISL9519HRTZ comes in a compact and thermally enhanced 3mmx3mm TDFN package.

Essence

The essence of the ISL9519HRTZ lies in its ability to provide high-efficiency power conversion in a small form factor.

Packaging/Quantity

The ISL9519HRTZ is typically available in reels of 3000 units.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.6V to VIN
  • Maximum Output Current: 4A
  • Efficiency: Up to 95%
  • Quiescent Current: 40µA

Detailed Pin Configuration

The ISL9519HRTZ has a detailed pin configuration with specific functions assigned to each pin. Please refer to the datasheet for the detailed pinout.

Functional Features

  • High efficiency over a wide load range
  • Low quiescent current for extended battery life
  • Integrated MOSFETs for reduced component count
  • Adjustable output voltage

Advantages and Disadvantages

Advantages

  • High efficiency
  • Wide input voltage range
  • Compact package size

Disadvantages

  • Limited maximum output current compared to some alternatives
  • May require additional external components for specific applications

Working Principles

The ISL9519HRTZ operates on the principle of synchronous buck regulation, where it efficiently steps down the input voltage to a lower output voltage while minimizing power losses.

Detailed Application Field Plans

The ISL9519HRTZ is well-suited for various portable and battery-powered applications, including smartphones, tablets, portable medical devices, and handheld instruments.

Detailed and Complete Alternative Models

Some alternative models to the ISL9519HRTZ include the LT8610, TPS62825, and MP2315. These alternatives offer similar functionality with varying specifications and package sizes.

In conclusion, the ISL9519HRTZ is a high-efficiency, low quiescent current, synchronous buck regulator suitable for a wide range of portable and battery-powered applications. Its compact package and excellent efficiency make it a compelling choice for designers looking to optimize power management in their designs.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af ISL9519HRTZ i tekniske løsninger

  1. What is the ISL9519HRTZ?

    • The ISL9519HRTZ is a highly integrated battery charger and power path management IC designed for single-cell Li-ion or Li-polymer battery applications.

  2. What is the input voltage range of the ISL9519HRTZ?

    • The input voltage range of the ISL9519HRTZ is 3.6V to 23V, making it suitable for a wide range of power sources.

  3. What is the maximum charge current supported by the ISL9519HRTZ?

    • The ISL9519HRTZ supports a maximum charge current of 4A, allowing for rapid charging of the connected battery.

  4. Does the ISL9519HRTZ support USB PD (Power Delivery) protocol?

    • Yes, the ISL9519HRTZ supports USB PD 3.0 with programmable power supply (PPS) and Qualcomm Quick Charge 4/4+ protocols.

  5. What are the key features of the ISL9519HRTZ?

    • Some key features of the ISL9519HRTZ include integrated FETs, dynamic power management, thermal regulation, and battery temperature monitoring.

  6. Can the ISL9519HRTZ be used in portable electronic devices?

    • Yes, the ISL9519HRTZ is well-suited for use in portable electronic devices such as smartphones, tablets, and portable medical devices.

  7. How does the power path management feature of the ISL9519HRTZ benefit the system?

    • The power path management feature allows the system to operate even when the battery is deeply discharged, ensuring continuous device functionality.

  8. What are the recommended applications for the ISL9519HRTZ?

    • The ISL9519HRTZ is commonly used in notebook computers, power banks, and other portable devices requiring battery charging and power management.

  9. Does the ISL9519HRTZ provide overvoltage and overcurrent protection?

    • Yes, the ISL9519HRTZ includes comprehensive protection features such as overvoltage, overcurrent, and overtemperature protection.

  10. Is there a reference design available for implementing the ISL9519HRTZ in a technical solution?

    • Yes, Intersil provides reference designs and application notes to assist engineers in implementing the ISL9519HRTZ effectively in their technical solutions.