The LP5813 is a
synchronous boost
4 × 3 matrix RGB LED driver with
autonomous animation engine control. The device is designed to support
battery-powered applications with 0.5V to 5.5V input voltage range, and the device
has ultra-low normal operation current with 0.4mA (typical) when illuminate LEDs.
The integrated synchronous boost
converter maintains excellent efficiency and keeps the brightness of LEDs stable over a wide
operating voltage range. Output voltage can be selected for different LED forward voltage
from 3V to 5.5V with 0.1V step. The boost converter can power not only the LEDs driven by
the device, but also other loads in the system. If the boost converter need to be bypassed,
VOUT is used as the power supply input for the LED driver blocks.
The time-cross-multiplexing (TCM)
structure is adopted, which uses 4 output pins to control 12 LED dots individually. Both
high-side scan switch and low-side current sink are contained in one output. The total
application size is minimized for space limited system.
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 the signal for synchronizing the lighting effects among multiple
devices.
The LP5813 is a
synchronous boost
4 × 3 matrix RGB LED driver with
autonomous animation engine control. The device is designed to support
battery-powered applications with 0.5V to 5.5V input voltage range, and the device
has ultra-low normal operation current with 0.4mA (typical) when illuminate LEDs.
The integrated synchronous boost
converter maintains excellent efficiency and keeps the brightness of LEDs stable over a wide
operating voltage range. Output voltage can be selected for different LED forward voltage
from 3V to 5.5V with 0.1V step. The boost converter can power not only the LEDs driven by
the device, but also other loads in the system. If the boost converter need to be bypassed,
VOUT is used as the power supply input for the LED driver blocks.
The time-cross-multiplexing (TCM)
structure is adopted, which uses 4 output pins to control 12 LED dots individually. Both
high-side scan switch and low-side current sink are contained in one output. The total
application size is minimized for space limited system.
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 the signal for synchronizing the lighting effects among multiple
devices.