X9520V20I-B

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The X9520V20I-B is a laser driver among a range of Power Management ICs (PMIC) solutions from Xilinx. This application-specific integrated circuit (ASIC) is designed for the most demanding laser control applications, from high-power optical emitters used in laser rangefinders and interferometers to the precise control of semiconductor laser diode, vertical-cavity surface-emitting lasers (VCSELs).

The X9520V20I-B is a high-performance laser driver with a programmable pulse duration, jitter under 20 picoseconds, high output power of up to 150 watts, high switching speed of 20MHz, and programmable dimming current levels. This PMIC provides the reliability and performance required in demanding laser control applications, such as those found in rangefinding, automotive, industrial, medical, and defense applications. Additionally, the X9520V20I-B includes flexible current-driving capabilities that allow users to tailor the laser control output to their application’s needs.

The X9520V20I-B implements an innovative dual-channel laser driver architecture that allows for simultaneous control of both a laser diode current and VCSEL current. This feature makes the X9520V20I-B the ideal choice for applications requiring a high degree of control over both laser diode and VCSEL emission levels. The requirements for achieving the desired optical output using a dual-channel laser driver are much more stringent than with single-channel laser drivers, and this is why the X9520V20I-B is specifically designed for robust, reliable operation in high-power laser control applications.

The working principle of this PMIC is based on providing both high-endure biasing and high-speed switching of laser current. This is accomplished using two separate output transistors for each channel. The transistors can be programmed to the desired dimming current level and the turn-on slope of the laser current can be adjusted to the desired rate. The user is also able to select a control mode, either manual or automatic, in order to control the laser current levels. The manual mode allows the user to manually control the laser current while the automatic mode provides the user with a predetermined program which can be adjusted according to specific application requirements.

The X9520V20I-B is an ideal solution for applications that require precision laser control, such as laser rangefinders and interferometers. It is also well suited for other laser applications where high performance, reliability, and power conservation are paramount. With its high-power output, high switching speed, programmable dimming current levels, and dual-channel design, the X9520V20I-B becomes an ideal solution for a variety of laser control applications.

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