Programmable Three Channel LED Driver The LP5521TM is a programmable LED driver manufactured by Texas Instruments (NS).
### **Specifications:**
- **Input Voltage Range:** 2.7V to 5.5V
- **Number of Outputs:** 3 independent LED drivers
- **Maximum Output Current:** 25.5mA per channel (programmable)
- **PWM Dimming Resolution:** 8-bit (256 steps)
- **Communication Interface:** I²C (up to 400kHz)
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 16-pin WQFN (3mm x 3mm)
### **Descriptions:**
- The LP5521TM is designed for RGB LED control in portable and low-power applications.
- It supports autonomous operation with an integrated program memory for standalone LED sequencing.
- Features low-power consumption and high efficiency.
### **Features:**
- **Programmable Engine:** Executes preloaded LED patterns without host intervention.
- **Auto Power-Down Mode:** Reduces power consumption when inactive.
- **LED Current Control:** Adjustable via I²C for precise brightness control.
- **Thermal Protection:** Prevents overheating.
- **Logarithmic Dimming:** Provides smooth brightness transitions.
For exact details, refer to the official Texas Instruments datasheet.
