X9521V20I-A

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In this article, we’ll take a look at the application field and working principles of the X9521V20I-A, a laser driver from the PMIC - Laser Drivers family. The X9521V20I-A is a highly integrated single-channel laser driver for diode lasers. It is designed to deliver a constant current to diode lasers in variety of applications such as optical drives, laser projection systems, and laser printing systems. This laser driver provides 7.5A of output current, enabling high-speed operation and high power output. The X9521V20I-A laser driver uses a constant current feedback loop to maintain a constant laser output. The current is regulated by measuring the voltage across a sense resistor, and then comparing this voltage to a reference voltage. The reference voltage is adjustable, allowing the output current to be tuned to meet the requirements of the application. The X9521V20I-A laser driver is also equipped with a variety of protection features to ensure safe and reliable operation. This includes an over-current protection circuit which automatically shuts off the output current when it exceeds the set limit, as well as thermal shutoff which shuts off the output current in the case of overheating. Additionally, this laser driver also features under voltage protection, which shuts off the output current when the input voltage drops below a certain threshold. The X9521V20I-A laser driver is also equipped with a host of features which make it ideal for applications that require precise control of laser output. This includes a Pulse Density Modulation (PDM) feature, which allows for programmable pulse patterns for laser currents up to 8-bits. The X9521V20I-A also features a temperature settle time compensation feature, which automatically adjusts the output current in order to compensate for thermal drift. Additionally, this laser driver is also equipped with an adjustable laser turn-on delay, which allows for more precise control of the output current. Overall, the X9521V20I-A laser driver from PMIC - Laser Drivers is an ideal solution for applications which require precise control of laser output. It features a robust design, a wide input voltage range, and a variety of features which enable safe and reliable operation. With its advanced features and wide input voltage range, this laser driver is ideal for applications ranging from optical drives to laser printing systems.

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