ISL6423EVEZ

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC for Display Applications

Characteristics: - High efficiency - Low power consumption - Compact size - Wide input voltage range - Multiple protection features

Package: 20-Lead QFN (Quad Flat No-Lead) package

Essence: The ISL6423EVEZ is a power management IC specifically designed for display applications. It provides efficient power conversion and various protection features to ensure reliable operation of display systems.

Packaging/Quantity: The ISL6423EVEZ is available in a 20-Lead QFN package. The quantity per package may vary depending on the supplier.

Specifications

Input Voltage Range: 4.5V to 25V
Output Voltage Range: 1.2V to 12V
Maximum Output Current: 2A
Efficiency: Up to 95%
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL6423EVEZ has a total of 20 pins. Here is the detailed pin configuration:

VIN: Input voltage pin
GND: Ground pin
EN: Enable pin
FB: Feedback pin
COMP: Compensation pin
SS: Soft-start pin
PGND: Power ground pin
VCC: Supply voltage pin
LX: Switching node pin
BST: Bootstrap pin
AGND: Analog ground pin
VREF: Reference voltage pin
UVLO: Undervoltage lockout pin
OVP: Overvoltage protection pin
OCSET: Overcurrent protection pin
SS/TRK: Soft-start/Tracking pin
VSENSE: Voltage sense pin
CS: Current sense pin
PG: Power good pin
VOUT: Output voltage pin

Functional Features

Wide input voltage range allows compatibility with various power sources.
High efficiency ensures minimal power loss during conversion.
Low power consumption helps to extend battery life in portable devices.
Multiple protection features, such as undervoltage lockout (UVLO), overvoltage protection (OVP), and overcurrent protection (OCP), enhance system reliability.
Soft-start and tracking functions enable smooth startup and operation of the display system.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption and heat generation. - Compact size allows for space-saving integration into display systems. - Wide input voltage range provides flexibility in power source selection. - Multiple protection features ensure reliable operation and protect against potential damage.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - The 20-Lead QFN package may require specialized equipment for soldering and handling.

Working Principles

The ISL6423EVEZ operates based on a switching regulator topology. It uses a combination of high-frequency switching and control circuitry to efficiently convert the input voltage to the desired output voltage. The feedback mechanism continuously monitors the output voltage and adjusts the switching frequency to maintain a stable output. Various protection features, such as UVLO, OVP, and OCP, safeguard the system from abnormal operating conditions.

Detailed Application Field Plans

The ISL6423EVEZ is widely used in display applications, including but not limited to: - LCD monitors - LED TVs - Digital signage - Automotive displays - Industrial control panels

Detailed and Complete Alternative Models

Here are some alternative models that offer similar functionality to the ISL6423EVEZ: - TPS54332 - LT8610 - MP24943

These alternative models can be considered based on specific requirements and availability.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ISL6423EVEZ v technických řešeních

Sure! Here are 10 common questions and answers related to the application of ISL6423EVEZ in technical solutions:

Q: What is ISL6423EVEZ? A: ISL6423EVEZ is a highly integrated power management IC designed for use in telecom and networking applications.
Q: What are the key features of ISL6423EVEZ? A: The key features of ISL6423EVEZ include dual synchronous buck controllers, integrated MOSFET drivers, programmable soft-start, and overcurrent protection.
Q: What is the input voltage range supported by ISL6423EVEZ? A: ISL6423EVEZ supports an input voltage range of 4.5V to 14V.
Q: What is the output voltage range supported by ISL6423EVEZ? A: ISL6423EVEZ supports an output voltage range of 0.8V to 5.5V.
Q: Can ISL6423EVEZ operate in a wide temperature range? A: Yes, ISL6423EVEZ is designed to operate in a wide temperature range from -40°C to +85°C.
Q: What is the maximum output current supported by ISL6423EVEZ? A: ISL6423EVEZ can support a maximum output current of up to 6A.
Q: Does ISL6423EVEZ have any built-in protection features? A: Yes, ISL6423EVEZ has built-in overcurrent protection, undervoltage lockout, and thermal shutdown protection.
Q: Can ISL6423EVEZ be used in both step-down and step-up applications? A: No, ISL6423EVEZ is specifically designed for step-down (buck) applications.
Q: What is the typical efficiency of ISL6423EVEZ? A: The typical efficiency of ISL6423EVEZ is around 95% under normal operating conditions.
Q: Are there any evaluation boards or reference designs available for ISL6423EVEZ? A: Yes, Intersil provides evaluation boards and reference designs to help users quickly prototype and implement solutions using ISL6423EVEZ.

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