ADM8843ACPZ-REEL7

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LED light-emitting diode (LED) is considered as a type of semiconductor light producing device and it is becoming more popular for many applications. LED Driver technology is important to provide the correct current to drive these LED devices. LED Drivers convert an electrical input into a PWM current or voltage suitable for LED. ADM8843ACPZ-REEL7 is a dedicated LED driver IC developed by Analog Devices that is suitable for driving LED lighting applications.

ADM8843ACPZ-REEL7 is an advanced monolithic, integrated PMIC – LED Driver IC specifically designed to deliver very efficient and reliable performance in a wide range of LED lighting control and drive applications. It should be noted that it is based on a patented Constant-Current Ripple-Mode (CCRM), which offers extremely low power dissipation when compared to other methods.

The application field for the ADM8843ACPZ-REEL7 includes lighting control, energy savings, color and hue tuning and diagnostic applications. Driving of high-power, color-tunable LED lighting and other EV battery-powered lighting applications is also possible.

The working principle of the ADM8843ACPZ-REEL7 is quite simple. It consists of an internal current control amplifier along with an active current source to control an externally connected LED or even a string of LEDs. An external sensed resistor provides feedback to the amplifier in order to maintain a constant current. The current sensing resistor is also used to provide a means of controlling the brightness of the LEDs by a dimming control.

The ADM8843ACPZ-REEL7 can be used to drive up to 16 white LEDs or other high power LEDs with a single controller. With its integrated current control amplifier and active current source, it can drive up to 10A of total current while supporting 12V to 36V operation. It also provides dimming capabilities and offers a wide dimming range from 0% to 100%.

The ADM8843ACPZ-REEL7 also includes an integrated current-sense amplifier that can be used for current-mode control. This feature allows for smooth current control which is necessary for LED lighting applications. Additionally, it features a thermal shutdown and over-temperature protection which can help protect against thermal cycling and long-term LED damage.

Overall, ADM8843ACPZ-REEL7 can provide a cost-effective and efficient solution for high-power LED lighting applications. With its integrated current-sense amplifier, current control amplifier and active current source, it can offer a reliable and efficient solution for LED lighting control and drive applications. Furthermore, its wide operating voltage input range and wide dimming range make it a suitable choice for many different LED lighting applications.

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