Overview
The LP5569RTWR, manufactured by Texas Instruments, is a highly integrated, programmable 9-channel I2C LED driver designed for creating dynamic lighting effects in various applications. This component is particularly suited for RGB LED lighting systems, offering advanced control features and energy efficiency. Its market positioning targets designers and engineers in the consumer electronics, automotive, and industrial sectors who require precise and flexible LED control solutions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Number of Channels | 9 | - | - |
| LED Current per Channel | 25.5 | mA | Max |
| Input Voltage Range | 2.5 - 5.5 | V | - |
| Operating Temperature | -40 to 85 | °C | - |
| Standby Current | 2 | µA | Typical |
| PWM Frequency | 20 | kHz | Internal |
| Program Memory | 256 | Instructions | SRAM |
| Package | QFN-24 | - | - |
Key Features
- Programmable 9-channel I2C LED driver for dynamic lighting effects.
- Integrated SRAM for storing lighting sequences, reducing the need for continuous processor control.
- Efficient charge pump supports high forward voltage LEDs, even with low input voltage.
- Low standby current of 2 µA enhances energy efficiency.
- Flexible dimming control options including I2C and direct PWM input.
Applications
The LP5569RTWR is widely used in applications requiring precise LED control, such as RGB lighting in consumer electronics, automotive interior and exterior lighting, and industrial lighting systems. Its ability to operate autonomously reduces system power consumption, making it ideal for battery-powered devices. Additionally, its compatibility with multiple devices allows for synchronized lighting effects in complex setups.
Q & A
1. What is the maximum current per channel?
The maximum current per channel is 25.5 mA.
2. What is the input voltage range?
The input voltage range is from 2.5 V to 5.5 V.
3. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
4. Does the LP5569RTWR support PWM dimming?
Yes, it supports both I2C and direct PWM dimming.
5. What is the standby current?
The standby current is typically 2 µA.
6. How many channels does the LP5569RTWR have?
It has 9 channels.
7. What is the package type?
The package type is QFN-24.
8. Can it operate autonomously?
Yes, it can operate autonomously using its integrated SRAM for lighting sequences.
9. Is it suitable for battery-powered devices?
Yes, its low standby current and efficient charge pump make it suitable for battery-powered devices.
10. What are the typical applications?
Typical applications include RGB lighting in consumer electronics, automotive lighting, and industrial lighting systems.
