LP5523TMX/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Driver
• Characteristics: Programmable, Multi-channel, Low Power Consumption
• Package: 20-TSSOP
• Essence: Control and drive multiple LEDs with programmable features
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Number of Channels: 3 independent channels
• LED Current Range: 0 to 30 mA per channel
• Supply Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Interface: I2C-compatible interface for programming and control

Pin Configuration

The LP5523TMX/NOPB has a 20-pin TSSOP package with the following pin configuration:

1. VDD: Supply voltage input
2. GND: Ground connection
3. SDA: Serial Data Line for I2C communication
4. SCL: Serial Clock Line for I2C communication
5. INT: Interrupt output
6. EN: Enable input
7. REXT: External resistor for LED current setting
8. LED1: Channel 1 LED output
9. LED2: Channel 2 LED output
10. LED3: Channel 3 LED output
11. NC: No Connection
12. NC: No Connection
13. NC: No Connection
14. NC: No Connection
15. NC: No Connection
16. NC: No Connection
17. NC: No Connection
18. NC: No Connection
19. NC: No Connection
20. NC: No Connection

Functional Features

• Independent control of each LED channel
• Programmable LED current levels
• Programmable fade-in and fade-out times
• LED blinking and breathing effects
• Automatic thermal shutdown protection
• Low power consumption in standby mode

Advantages and Disadvantages

Advantages: - Flexible and programmable LED control - Low power consumption - Compact package size - Wide operating temperature range

Disadvantages: - Limited number of channels (3) - Requires external resistor for LED current setting

Working Principles

The LP5523TMX/NOPB is a programmable LED driver IC that allows independent control of three LED channels. It operates with a supply voltage range of 2.7V to 5.5V and communicates through an I2C-compatible interface.

The IC provides programmable features such as LED current levels, fade-in and fade-out times, blinking and breathing effects. It also includes automatic thermal shutdown protection to prevent overheating.

By programming the IC via the I2C interface, users can create various lighting effects and control the brightness of each LED channel individually.

Detailed Application Field Plans

The LP5523TMX/NOPB LED driver IC finds applications in various fields, including:

1. Automotive Lighting: Used for interior and exterior lighting in vehicles, such as dashboard indicators, ambient lighting, and headlights.
2. Portable Electronics: Integrated into smartphones, tablets, and wearable devices to control indicator LEDs, backlighting, and notification lights.
3. Industrial Automation: Employed in control panels, machinery, and equipment to provide status indication and visual feedback.
4. Gaming Consoles: Utilized for LED-based gaming peripherals, console controllers, and gaming accessories to enhance the gaming experience.
5. Medical Devices: Integrated into medical equipment for visual indicators, alarms, and status notifications.

Detailed and Complete Alternative Models

1. LP5521TMX/NOPB: Similar to LP5523TMX/NOPB but with 1 channel instead of 3.
2. LP5524TMX/NOPB: Similar to LP5523TMX/NOPB but with 4 channels instead of 3.
3. LP5526TMX/NOPB: Similar to LP5523TMX/NOPB but with 6 channels instead of 3.

These alternative models provide different channel configurations to suit specific application requirements.

In conclusion, the LP5523TMX/NOPB is a programmable LED driver IC that offers independent control of three LED channels. It provides flexibility, low power consumption, and various programmable features for creating lighting effects. With its compact package and wide operating temperature range, it finds applications in automotive lighting, portable electronics, industrial automation, gaming consoles, and medical devices. Alternative models with different channel configurations are also available to cater to specific needs.