IS31BL3212-STLS2-TR

Product Overview

Category

IS31BL3212-STLS2-TR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for controlling and driving LED backlighting.

Characteristics

• Efficient LED backlight control
• High integration level
• Low power consumption
• Compact package size
• Wide operating voltage range

Package

IS31BL3212-STLS2-TR is available in a small outline package (SOP) with 8 pins.

Essence

The essence of IS31BL3212-STLS2-TR lies in its ability to provide efficient control and drive for LED backlighting, enabling enhanced visual experiences in electronic devices.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specific quantity of IS31BL3212-STLS2-TR ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Output Current: Up to 30mA per channel
• Number of Channels: 12
• Dimming Control: PWM (Pulse Width Modulation)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VDD: Power supply input
2. GND: Ground reference
3. SDA: Serial data input
4. SCL: Serial clock input
5. OE: Output enable
6. REXT: External resistor for current setting
7. NC: No connection
8. OUT: LED output

Functional Features

• Twelve independent LED channels for precise control
• Support for PWM dimming control
• Built-in protection features such as over-temperature and over-voltage protection
• Flexible configuration options through serial communication interface

Advantages and Disadvantages

Advantages

• High integration level reduces external component count
• Efficient LED backlight control for improved visual quality
• Low power consumption extends battery life in portable devices
• Wide operating voltage range allows compatibility with various power sources

Disadvantages

• Limited number of channels may not be suitable for applications requiring a higher number of independently controlled LEDs
• Relatively small package size may pose challenges during assembly and soldering processes

Working Principles

IS31BL3212-STLS2-TR operates by receiving control signals through the serial communication interface (SDA and SCL pins). These signals are used to adjust the PWM duty cycle, thereby controlling the brightness of each LED channel. The IC also incorporates protection features to ensure safe operation under different conditions.

Detailed Application Field Plans

IS31BL3212-STLS2-TR finds application in various electronic devices that utilize LED backlighting. Some common application fields include: - LCD monitors and televisions - Automotive displays - Portable electronic devices such as smartphones and tablets - Industrial control panels

Detailed and Complete Alternative Models

1. IS31BL3211-STLS2-TR: Similar to IS31BL3212-STLS2-TR but with 11 channels instead of 12.
2. IS31BL3213-STLS2-TR: Similar to IS31BL3212-STLS2-TR but with 13 channels instead of 12.
3. IS31BL3214-STLS2-TR: Similar to IS31BL3212-STLS2-TR but with 14 channels instead of 12.

These alternative models offer similar functionality and characteristics, providing options for different LED backlighting requirements.

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