ISL97651ARTZ-T

Product Overview

Category: Integrated Circuit (IC)

Use: LED Driver

Characteristics: - High efficiency - Wide input voltage range - Dimming control - Over-temperature protection - Short-circuit protection

Package: 24-Lead Thin Quad Flat No-Lead (TQFN)

Essence: The ISL97651ARTZ-T is a high-efficiency LED driver IC designed for driving multiple strings of LEDs in backlighting applications.

Packaging/Quantity: The ISL97651ARTZ-T is available in a TQFN package and is typically sold in reels of 2500 units.

Specifications

Input Voltage Range: 4.5V to 26V
Output Voltage Range: Up to 40V
Maximum Output Current: 1.2A per channel
Dimming Control: PWM or DC voltage control
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL97651ARTZ-T has a total of 24 pins. Here is the detailed pin configuration:

VIN: Input voltage
GND: Ground
VCC: Power supply voltage
EN: Enable pin
DIM: Dimming control input
FB1: Feedback pin for channel 1
FB2: Feedback pin for channel 2
FB3: Feedback pin for channel 3
FB4: Feedback pin for channel 4
FB5: Feedback pin for channel 5
FB6: Feedback pin for channel 6
FB7: Feedback pin for channel 7
FB8: Feedback pin for channel 8
FB9: Feedback pin for channel 9
FB10: Feedback pin for channel 10
FB11: Feedback pin for channel 11
FB12: Feedback pin for channel 12
FB13: Feedback pin for channel 13
FB14: Feedback pin for channel 14
FB15: Feedback pin for channel 15
FB16: Feedback pin for channel 16
FB17: Feedback pin for channel 17
FB18: Feedback pin for channel 18
FB19: Feedback pin for channel 19

Functional Features

High efficiency conversion of input voltage to output voltage for driving LEDs
Multiple feedback pins for precise current regulation in each LED string
Dimming control options for adjusting brightness
Over-temperature protection to prevent damage to the IC
Short-circuit protection to safeguard the LEDs and the driver circuitry

Advantages and Disadvantages

Advantages: - High efficiency results in lower power consumption - Wide input voltage range allows for versatile applications - Dimming control provides flexibility in lighting scenarios - Over-temperature and short-circuit protection enhance reliability

Disadvantages: - Limited maximum output current per channel (1.2A)

Working Principles

The ISL97651ARTZ-T operates by converting the input voltage to a higher output voltage suitable for driving multiple strings of LEDs. The feedback pins regulate the current flowing through each LED string, ensuring consistent brightness. The dimming control feature allows for adjusting the LED brightness according to the desired level. The IC also incorporates over-temperature and short-circuit protection mechanisms to ensure safe operation.

Detailed Application Field Plans

The ISL97651ARTZ-T is commonly used in various backlighting applications, including: - LCD monitors and televisions - Automotive displays - Industrial control panels - Signage and advertising displays - General lighting applications

Detailed and Complete Alternative Models

Here are some alternative models that can be considered as alternatives to the ISL97651ARTZ-T: - LT3763 - TPS92661 - MAX16834 - LM3409 - BD8381EFV

These alternative models offer similar functionality and can be used as replacements depending on specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ISL97651ARTZ-T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of ISL97651ARTZ-T in technical solutions:

Question: What is ISL97651ARTZ-T?
Answer: ISL97651ARTZ-T is a high-efficiency, 6-channel LED driver designed for backlighting LCD displays.
Question: What is the input voltage range supported by ISL97651ARTZ-T?
Answer: The input voltage range supported by ISL97651ARTZ-T is typically between 4.5V and 26V.
Question: How many LEDs can be driven by ISL97651ARTZ-T?
Answer: ISL97651ARTZ-T can drive up to 6 LEDs in series per channel, making it suitable for applications with multiple LED strings.
Question: Can ISL97651ARTZ-T support dimming functionality?
Answer: Yes, ISL97651ARTZ-T supports both analog and PWM dimming control, allowing for flexible brightness adjustment.
Question: What is the maximum current output per channel of ISL97651ARTZ-T?
Answer: The maximum current output per channel of ISL97651ARTZ-T is typically 60mA, which can be adjusted using external resistors.
Question: Does ISL97651ARTZ-T have built-in thermal protection?
Answer: Yes, ISL97651ARTZ-T features built-in thermal shutdown protection to prevent overheating and ensure safe operation.
Question: Can ISL97651ARTZ-T operate in a wide temperature range?
Answer: Yes, ISL97651ARTZ-T has a wide operating temperature range of -40°C to +85°C, making it suitable for various environments.
Question: Is ISL97651ARTZ-T compatible with different display sizes?
Answer: Yes, ISL97651ARTZ-T is designed to be versatile and can be used with a wide range of LCD display sizes.
Question: Can ISL97651ARTZ-T be used in automotive applications?
Answer: Yes, ISL97651ARTZ-T is AEC-Q100 qualified, making it suitable for automotive lighting applications.
Question: What package does ISL97651ARTZ-T come in?
Answer: ISL97651ARTZ-T is available in a compact 24-lead TQFN package, which is easy to integrate into various designs.

Please note that the answers provided here are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.