LP5810
- Operating voltage range:
- VCC range: 2.7V to 5.5V
- Logic pins compatible with 1.8V, 3.3V, and 5V
- 4 constant current sinks with high precision:
- 0.1mA to 51mA per current sink
- Device-to-device error: max ±5%
- Channel-to-channel error: max ±5%
- Ultra-low headroom voltage: 110mV (typ.) at 25.5mA; 210mV (typ.) at 51mA
- PWM phase shift configurable for each LED
- Ultra-low power consumption:
- Standby: ISTB = 26µA (typical) when CHIP_EN = 0 (data retained)
- Active: INOR = 0.4mA (typical) when LED current = 25.5mA
- Analog dimming (current gain control)
- Global 1-bit Maximum Current (MC): 25.5mA or 51mA
- Individual 8-bit Dot Current (DC) setting
- PWM dimming up to audible-noise-free 24kHz
- Individual 8-bit PWM dimming resolution
- Linear or exponential dimming curves
- Autonomous animation engine control
- Individual LED dot open/short detection
- Integrated de-ghosting function
- 1MHz (max.) I2C interface
- –40°C to 85°C operating temperature range
The LP5810 is a 4-channel RGBW LED driver with autonomous animation engine control. The device has ultra-low normal operation current with 0.4mA (typical) when illuminate LEDs.
Both analog dimming and PWM dimming methods are adopted to achieve powerful dimming performance. The output current of each LED can be adjusted with 256 steps from 0.1mA to 25.5mA or 0.2mA to 51mA. The 8-bit PWM generator enables smooth and audible-noise-free dimming control for LED brightness.
The autonomous animation engine can significantly reduce the real-time loading of controller. Each LED can be configured through the related registers to realize vivid and fancy lighting effects. The device can generate 6MHz clock signal and use it for synchronizing the lighting effects among multiple devices.
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Technical documentation
Type | Title | Date | ||
---|---|---|---|---|
* | Data sheet | LP5810 4-Channel RGBW LED Driver with Autonomous Control datasheet (Rev. C) | PDF | HTML | 09 Dec 2024 |
User guide | LP5810 4-Channel RGBW LED Driver Register Map | PDF | HTML | 24 Sep 2024 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
LP5811-10EVM — LP5811 and LP5810 evaluation module
The LP5811 and LP5810 evaluation module (EVM) showcases all the features of the LP5811 and LP5810 LED drivers. The LP581XEVM-GUI is used to interface with USB2ANY to the EVM. The EVM has I²C inputs through the USB2ANY interface adapter.
LP5813-12WCSPEVM — LP5813/LP5812 evaluation module for 4 x 3 LED matrix driver with auto animation control
The LP5813/12 evaluation module showcases all the features of the LP5813 and LP5812 4 × 3 matrix RGB LED driver. The difference between the two devices is with or without synchronous boost function. The LP581x graphical user interface (GUI) is used to interface with USB2ANY to the EVM. The (...)
PSPICE-FOR-TI — PSpice® for TI design and simulation tool
Package | Pins | CAD symbols, footprints & 3D models |
---|---|---|
DSBGA (YBH) | 9 | Ultra Librarian |
WSON (DSD) | 8 | Ultra Librarian |
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