IS31BL3508A-TTLS2-TR

Product Overview

Category

IS31BL3508A-TTLS2-TR belongs to the category of integrated circuits (ICs) specifically designed for LED backlighting applications.

Use

This product is primarily used for controlling and driving LED backlights in various electronic devices such as LCD monitors, televisions, laptops, and automotive displays.

Characteristics

• Efficient LED backlight control
• High integration with built-in power MOSFETs
• Wide input voltage range
• Adjustable output current
• PWM dimming control
• Over-temperature protection
• Low standby power consumption

Package

IS31BL3508A-TTLS2-TR is available in a small outline package (SOP) with 16 pins.

Essence

The essence of this product lies in its ability to provide efficient and reliable control of LED backlighting, ensuring optimal brightness and power management in electronic devices.

Packaging/Quantity

IS31BL3508A-TTLS2-TR is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Current Range: 10mA to 100mA
• Dimming Control: PWM (Pulse Width Modulation)
• Operating Temperature Range: -40°C to +85°C
• Standby Power Consumption: <1mW
• Package Type: SOP-16

Detailed Pin Configuration

1. VCC: Power supply voltage input
2. GND: Ground reference
3. EN: Enable pin for turning on/off the device
4. DIM: PWM dimming control input
5. FB: Feedback pin for regulating output current
6. NC: No connection
7. NC: No connection
8. NC: No connection
9. NC: No connection
10. NC: No connection
11. NC: No connection
12. NC: No connection
13. NC: No connection
14. NC: No connection
15. NC: No connection
16. NC: No connection

Functional Features

• Integrated power MOSFETs for efficient LED driving
• Wide input voltage range allows compatibility with various power sources
• Adjustable output current enables brightness control
• PWM dimming control for precise backlight intensity adjustment
• Over-temperature protection ensures device safety
• Low standby power consumption reduces energy waste

Advantages and Disadvantages

Advantages

• High integration simplifies circuit design
• Efficient LED backlight control improves energy efficiency
• Wide input voltage range enhances versatility
• Adjustable output current allows customization of brightness levels
• PWM dimming control provides precise backlight intensity adjustment
• Over-temperature protection ensures device reliability
• Low standby power consumption reduces energy waste

Disadvantages

• Limited to LED backlighting applications
• Not suitable for high-power LED applications

Working Principles

IS31BL3508A-TTLS2-TR operates by converting the input voltage into a regulated output current, which drives the LED backlight. The device utilizes integrated power MOSFETs to efficiently control the LED current. The PWM dimming control input adjusts the duty cycle of the output current, enabling precise control over the backlight intensity. Over-temperature protection ensures safe operation by monitoring the device's temperature and taking appropriate measures to prevent overheating.

Detailed Application Field Plans

IS31BL3508A-TTLS2-TR finds extensive application in various electronic devices that require LED backlighting control. Some notable application fields include:

1. LCD Monitors: Provides efficient and adjustable backlight control for enhanced visual experience.
2. Televisions: Enables precise brightness adjustment for optimal viewing comfort.
3. Laptops: Enhances energy efficiency and extends battery life by controlling LED backlight power consumption.
4. Automotive Displays: Facilitates reliable and customizable backlight control in vehicle infotainment systems.

Detailed and Complete Alternative Models

1. IS31BL3506A-TTLS2-TR: Similar to IS31BL3508A-TTLS2-TR, but with a lower output current range (10mA to 60mA).
2. IS31BL3510A-TTLS2-TR: Similar to IS31BL3508A-TTLS2-TR, but with a higher output current range (10mA to 150mA).
3. IS31BL3520A-TTLS2-TR: Similar to IS31BL3508A-TTLS2-TR, but with additional features such as integrated fault detection and protection mechanisms.

These alternative models offer different output current ranges and additional features to cater to specific application requirements.

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