A8507ELBTR-T

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A8507ELBTR-T is a type of PMIC - LED Drivers, and is widely used in applications such as automotive, industrial and consumer designs. This device offers a current-controlled, constant current step-dimming controller solution with 3-channel (yellow/red/green) output current adjustment capability.

A8507ELBTR-T is mainly designed to provide DAC-controlled step dimming solutions. It has a self-adaptive gamma correction function, which can be used to adjust the current range (at digital end) and improve the accuracy of current resolution (on analog side). This device also has an adjustable high voltage threshold, which can limit the maximum voltage of the LED output.)

The working principle of A8507ELBTR-T is based on a current-controlled, constant current step-dimming controller architecture. This device has 3-channel (Yellow/Red/Green) output current adjustment capability, with a built-in self-adaptive gamma correction function. The tonal response of the light output on each channel is adjustable. The controller integrates a temperature sensor that can limit the output current of all channels when the chip temperature is high. The device also includes an internal over-current protection circuit that can prevent excessive current from damaging the LED.

In addition, A8507ELBTR-T has low power consumption, a wide input voltage range (2.0V - 3.3V), wide dimming range (up to 256 steps) and high color accuracy (within ±10%). It also has a gate voltage clamping function, which can prevent the output current from exceeding the user-defined threshold.

A8507ELBTR-T is suitable for many applications such as automotive, industrial and consumer designs. It can provide a cost-effective and efficient way to drive multiple LEDs in various lighting systems. This device is optimal for high power LED designs, offering both a wide input voltage range and adjustable output current.

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