The TPS7510x linear low dropout (LDO) matching LED current source is optimized for low power keypad and navigation pad LED backlighting applications. The device provides a constant current to up to ...

Santa Clara, Calif. — National Semiconductor Corp. says it has introduced the industry's first common-anode, current-mode, high-brightness light-emitting diode (LED) driver with pulse-width modulation ...

While all of my own devices and monitors don't have PWM dimming for their backlighting, there are some monitors at work which do appear to use PWM. Now many of these monitors are years old, and I ...

High-brightness LEDs (HBLEDs) are making inroads into more traditional lighting applications that include a dc distribution system (for example, 24-V MR-16 track lights). HBLEDs are more efficient, ...

This project demonstrates the use of ADC and TIM peripherals to control LED brightness level by varying the duty cycle of the generated PWM signal using a potentiometer. UART and I2C are also ...

peripherals.brightness (board.BACKLIGHT on the PCA9554 I/O expander) is enabled as an output on startup, and is set originally to True. Setting it to False leaves it as an output. If the A1/PWM jumper ...

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