ISL6526AIR-T

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency voltage regulator - Dual synchronous buck controller - Wide input voltage range - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: QFN (Quad Flat No-Lead) package

Essence: The ISL6526AIR-T is a power management IC designed for high-efficiency voltage regulation in various applications.

Packaging/Quantity: The ISL6526AIR-T is available in a QFN package and is typically sold in reels of 2500 units.

Specifications

The key specifications of the ISL6526AIR-T include:

Input Voltage Range: 4.5V to 28V
Output Voltage Range: 0.8V to 5.5V
Maximum Output Current: 20A
Switching Frequency: 300kHz to 1MHz
Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ISL6526AIR-T has a total of 32 pins. The detailed pin configuration is as follows:

VIN1: Input voltage for Buck 1
VIN2: Input voltage for Buck 2
BOOT1: Bootstrap capacitor connection for Buck 1
BOOT2: Bootstrap capacitor connection for Buck 2
PGND: Power ground
SW1: Switch node for Buck 1
SW2: Switch node for Buck 2
FB1: Feedback voltage for Buck 1
FB2: Feedback voltage for Buck 2
COMP1: Compensation node for Buck 1
COMP2: Compensation node for Buck 2
SS1: Soft-start control for Buck 1
SS2: Soft-start control for Buck 2
EN1: Enable control for Buck 1
EN2: Enable control for Buck 2
VCC: Supply voltage input
PGND: Power ground
PGND: Power ground
PGND: Power ground
PGND: Power ground
PGND: Power ground
PGND: Power ground
PGND: Power ground
PGND: Power ground
PGND: Power ground
PGND: Power ground
PGND: Power ground
PGND: Power ground
PGND: Power ground
PGND: Power ground
PGND: Power ground
PGND: Power ground

Functional Features

The ISL6526AIR-T offers the following functional features:

Dual synchronous buck controller with integrated MOSFET drivers
Adjustable output voltage through external resistors
Overcurrent protection to prevent damage to the IC and connected components
Thermal shutdown protection to prevent overheating
Wide input voltage range allows for versatile applications
High efficiency voltage regulation for improved power management

Advantages and Disadvantages

Advantages: - Dual buck controller provides flexibility in power management - Integrated MOSFET drivers simplify circuit design - Wide input voltage range enables use in various applications - Overcurrent and thermal shutdown protection enhance system reliability - Adjustable output voltage allows customization

Disadvantages: - Limited maximum output current of 20A may not be suitable for high-power applications - QFN package may require specialized soldering techniques

Working Principles

The ISL6526AIR-T operates as a dual synchronous buck controller, regulating the input voltage to provide a stable output voltage. It utilizes integrated MOSFET drivers to control the switching of the power transistors in each buck converter. The feedback voltage from the output is compared with a reference voltage, and the controller adjusts the duty cycle of the switches to maintain the desired output voltage. Overcurrent protection and thermal shutdown mechanisms ensure safe operation.

Detailed Application Field Plans

The ISL6526AIR-T can be used in various applications that require efficient voltage regulation, such as:

Power supplies for computer systems
Industrial automation equipment
Telecommunications infrastructure
Automotive electronics
Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the ISL6526AIR-T include:

LTC3880: Dual Output PolyPhase Step-Down DC/DC Controller
TPS53632: Dual Synchronous Buck Controller with PMBus Interface
MAX20075: Dual High-Efficiency Step-Down Converter
ADP2386: Dual 8A, 18V, Synchronous Step-Down DC-to-DC Regulator
MP

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van ISL6526AIR-T in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of ISL6526AIR-T in technical solutions:

Q: What is ISL6526AIR-T? A: ISL6526AIR-T is a highly integrated power management IC (PMIC) designed for use in various technical solutions.
Q: What are the key features of ISL6526AIR-T? A: Some key features of ISL6526AIR-T include dual synchronous buck regulators, integrated gate drivers, programmable soft-start, and fault protection.
Q: What is the input voltage range supported by ISL6526AIR-T? A: ISL6526AIR-T supports an input voltage range from 4.5V to 5.5V.
Q: How many output channels does ISL6526AIR-T have? A: ISL6526AIR-T has two output channels, each with its own synchronous buck regulator.
Q: What is the maximum output current supported by ISL6526AIR-T? A: The maximum output current supported by ISL6526AIR-T is typically 3A per channel.
Q: Can ISL6526AIR-T operate in a wide temperature range? A: Yes, ISL6526AIR-T is designed to operate in a temperature range from -40°C to +85°C.
Q: Does ISL6526AIR-T have any built-in protection features? A: Yes, ISL6526AIR-T includes various protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.
Q: Can ISL6526AIR-T be used in battery-powered applications? A: Yes, ISL6526AIR-T can be used in battery-powered applications as it supports a wide input voltage range and has low quiescent current.
Q: Is ISL6526AIR-T suitable for high-efficiency designs? A: Yes, ISL6526AIR-T is designed to provide high efficiency through its synchronous buck regulators and integrated gate drivers.
Q: What are some typical applications of ISL6526AIR-T? A: Some typical applications of ISL6526AIR-T include power supplies for industrial equipment, networking devices, and consumer electronics.

Please note that the answers provided here are general and may vary depending on specific design requirements and application scenarios. It is always recommended to refer to the datasheet and consult with technical experts for accurate information.