ISL8225MIRZ

Power Modules ISL8225MIRZ QFN-26(17x17) ROHS description
7,842 Effective Inventory

ISL8225MIRZ

Effective Inventory7,842

Power Modules ISL8225MIRZ QFN-26(17x17) ROHS description

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Service & Packaging

About After Sales Service

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ISL8225MIRZ DataSheet
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ISL8225MIRZ Details

The ISL8225MIRZ is a synchronous buck-boost controller from Renesas Electronics, designed for versatile power management applications. This controller offers a wide input voltage range and high efficiency conversion, making it suitable for various power supply designs. It features integrated FETs, flexible configuration options, and protection mechanisms for reliable and efficient operation.

Pinout

  • 1 (VIN): Input Voltage
  • 2 (GND): Ground
  • 3 (SW): Switching Node
  • 4 (FB): Feedback Input
  • 5 (COMP): Compensation
  • 6 (PGOOD): Power Good Indicator
  • 7 (SS/TRK): Soft-Start/Tracking
  • 8 (VCC): Controller Power Supply

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

  • Wide Input Voltage Range: Supports a wide range of input voltages for flexible applications.
  • High Efficiency: Provides high efficiency conversion for power-efficient designs.
  • Integrated FETs: Features integrated power FETs for compact system design.
  • Flexible Configuration: Offers flexibility in configuration and control options.
  • Protection Mechanisms: Includes protection features for overcurrent, overvoltage, and thermal management.

Application

  • Power Supply Design: Suitable for various power supply designs requiring buck-boost functionality.
  • Battery-Powered Systems: Used in battery-powered systems for efficient power management.
  • Industrial Equipment: Ideal for industrial equipment requiring versatile power management solutions.

Where to Use

The ISL8225MIRZ is ideal for applications that demand versatile power management capabilities, such as battery-powered systems, industrial equipment, and power supply designs. It provides efficient conversion and reliable operation in a compact package.

How to Use

Configure the ISL8225MIRZ according to your power supply requirements, ensuring proper connections to the input voltage, ground, and load. Adjust the feedback loop and compensation components for stability and desired performance. Monitor the Power Good indicator for system status. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the ISL8225MIRZ illustrates the connections and components required for integrating the buck-boost controller into your power supply design. Proper layout and component selection are essential for optimal performance.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

  • LTC3789: A similar synchronous buck-boost controller offering comparable features and performance.
  • TPS63020: An alternative buck-boost controller from Texas Instruments with similar functionality.

Complementary

The ISL8225MIRZ can be complemented by the ISL80030, a low dropout linear regulator, for providing additional voltage regulation and noise filtering in power supply designs.

When selecting complementary components, ensure compatibility and synergy with the buck-boost controller for optimized system performance.

Frequently Asked Questions

Q: What is the input voltage range supported by the ISL8225MIRZ?

A: The ISL8225MIRZ supports a wide input voltage range. Refer to the datasheet for specific operating conditions and limitations.

Q: Does the ISL8225MIRZ have overcurrent protection?

A: Yes, the ISL8225MIRZ includes overcurrent protection along with other protection mechanisms for safe and reliable operation.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Pkg. Type Module Carrier Type Tray
MOQ 650

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification ISL8225MIRZ PDF Download

FAQs

What is ISL8225MIRZ?

The ISL8225MIRZ is a dual 2A per channel, high efficiency, and high voltage step-down DC/DC regulator designed by Renesas Electronics. It is ideal for space-constrained applications requiring a compact, high-efficiency power supply, such as industrial and automotive systems, networking equipment, and battery-powered devices.

How Does ISL8225MIRZ Work?

The ISL8225MIRZ works by converting a higher input voltage to a lower regulated output voltage with high efficiency. It utilizes synchronous rectification and a voltage mode control architecture to achieve high efficiency and fast transient response. The regulator features programmable soft-start and current limit functions, providing flexibility in power supply design.

How Many Pins does ISL8225MIRZ have and What are the Functions of the Pinout Configuration?

The ISL8225MIRZ is housed in a 20-lead QFN (Quad Flat No-leads) package. The pinout configuration includes:

  • VIN: Input voltage pin.
  • LX1, LX2: Switching nodes for Channel 1 and Channel 2.
  • GND: Ground pin.
  • FB1, FB2: Feedback pins for Channel 1 and Channel 2.
  • COMP1, COMP2: Compensation pins for Channel 1 and Channel 2.
  • PGND: Power ground pin.
  • SS/TRK, SS/TRK: Soft-start/Tracking pins for Channel 1 and Channel 2.
  • EN1, EN2: Enable pins for Channel 1 and Channel 2.
  • VOUT: Output voltage pin.

What are the Pros and Cons of ISL8225MIRZ?

Pros:

  • High Efficiency: Achieves high efficiency to minimize power loss and extend battery life.
  • Compact Size: Space-saving QFN package suitable for compact designs and portable devices.
  • Flexible Operation: Programmable soft-start and current limit functions for versatile power supply design.
  • High Voltage Capability: Suitable for high input voltage applications in industrial and automotive systems.

Cons:

  • External Components: May require external components such as inductors and capacitors for optimal operation.
  • Thermal Management: Heat dissipation considerations may be necessary for high power applications.
  • Complexity: Design considerations for high voltage switching regulators may require additional expertise.

Are There Any Equivalents/Alternatives to ISL8225MIRZ for Recommendation?

  • The TPS54A20 from Texas Instruments is a similar high voltage step-down DC/DC regulator with integrated power MOSFETs.
  • Alternatives to the ISL8225MIRZ include the MPQ4570 from Monolithic Power Systems and the LT3573 from Analog Devices.

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