News

The driver can handle universal AC input between 90 and 295VAC and supports a constant current mode for consistent luminosity across lights and improved reliability. It has a very low no load ...
The LED current is adjustable via a high ohmic resistor on a dedicated pin with an IC supply voltage ranging between 6 V and 42 V. For safe and reliable operation and to extend the overall LED ...
Power supply manufacturer Phihong sees a need here, and has introduced a line of constant current wall-wart adapters that provide the current rather than voltage regulation. Designers of relatively ...
Performing PWM control on the outputs controls the LED luminance. The luminance data of the PWM signal for each LED is stored in three 10-bit registers. Each LED can be dot-corrected by a 7-bit scalar ...
This code supports Application Note AN1138: A Digital Constant Current Power LED Driver, using the PIC12HV615? an 8-pin, PIC microcontroller (MCU) with A Digital Constant Current Power LED Driver The ...
The HV9961, an average-mode, constant-control LED driver IC designed to drive LEDs using a buck topology, ... The HV9961 provides current accuracy of ±3% and requires no loop compensation or. Staff.
Fast 33MHz Serial Bus with Cascade Operation for mini-LED backlights and Large Displays 48-Channel LED Driver IC with 16-bit PWM and Programmable Current Adjustments A high-speed serial bus for ...
All devices have a negative temperature coefficient, which lowers the LED driver current as the internal temperature rises, “thereby protecting and extending the lifetime of the LEDs”, claimed the ...
Whenever the LED is off, R2’s current increases to well over 100 µA, constantly wasting power. If R2 is returned to the collector of Q2 instead of ground, the dropout voltage jumps to 1.5 V or ...