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Introduction

ZXLD1370EST16TC is a high-voltage high-side-driver that is designed to control series arrays of Light Emitting Diodes (LEDs). It works by controlling the amount of current necessary to ensure that the LEDs are adequately driven while maintaining system efficiency. This article will discuss the application field of the ZXLD1370EST16TC as well as its working principle.

Application Field

ZXLD1370EST16TC is designed to be used in applications where energy efficiency is a priority. As a PMIC - LED Driver, it can be used in automotive lighting, general lighting, and display lighting. Automotive lighting applications include backlighting for LCD displays, headlamps, interior lighting, and intelligent automotives. In general lighting, ZXLD1370EST16TC is suitable for light fixtures, street lights, and home lighting. Finally, in display lighting, the driver can be used for LED signage and LED displays.

Working Principle

The ZXLD1370EST16TC is perfect for applications where saving energy is important. It works by controlling the switching of the LEDs so that current is only driven when needed. The driver works by monitoring the current flowing through the LED and the input voltage, then optimising the resistance between the two so that the LED outputs a constant current. When the LED turns off, the driver will typically adjust the resistance to prevent voltage drop.The ZXLD1370EST16TC operates on an advanced, low-side-current-regulating algorithm. It assesses the current through the LED and the voltage of the input, then adjusts the resistance accordingly. This algorithm combines with a built-in protection mechanism to monitor the LEDs, protecting them from over-current and over-voltage conditions. The ZXLD1370EST16TC also allows a user to easily adjust the current, brightness, and dimming. It can be adjusted via a PWM (pulse-width modulation) signal, or by a Digital or Analog Potentiometer.

Conclusion

ZXLD1370EST16TC is an ideal PMIC - LED driver for applications that require high energy efficiency. It works by optimising the resistance between the LEDs and the input voltage, and providing built-in protection that monitors the LEDs. Additionally, the driver can be easily adjusted via PWM, Digital, or Analog Potentiometer.

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