SY88722VKG-TR

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The SY88722VKG-TR is a laser driver module that contains a primary switching power supply specifically designed for laser diode drive applications. The SY88722VKG-TR is categorized as a PMIC (Power Management Integrated Circuit) - Laser Driver. Its application field and working principle is outlined in this article.

The primary application field for the SY88722VKG-TR is laser diode drive. This module utilizes two key components, a DC-DC converter and a laser driver, to drive the laser diode efficiently. The DC-DC converter uses an on-board synchonous rectifier has a wide input voltage range from 4V to 14V. This device provides a regulated current output from 350mA to 1A. It is able to operate over extended temperature range from -40 to +85ºC.

Furthermore, the SY88722VKG-TR is equipped with a laser driver, which is ideal for current mode operation in laser diode applications due to its fast response time. This laser driver utilizes a 7-bit digital potentiometer which can provide a wide range of current from 1mA to 100mA, both clockwise and counterclockwise. The output current can be adjusted via the onboard serial interface with the capability of setting up a calibration look-up table stored on the module.

The SY88722VKG-TR works in a 4-step operation cycle. Firstly, the DC-DC converter activates and the voltage is converted to a corresponding voltage current. Then, the current is regulated by the laser driver and output to the laser diode. After, the laser diode is driven according to the current outputted, and the cycle is continuously repeated. From the four step operation cycle outlined above, it can be seen that the SY88722VKG-TR operates as an efficient component in laser diode driving applications, while providing a wide range of output current and wide input voltage, as well as extended temperature range.

In summary, the SY88722VKG-TR module is an all-in-one component specifically designed for laser diode driving applications. It is categorized as a PMIC-Laser Driver and utilizes two key components, namely the DC-DC converter and the laser driver, to drive the laser diode with adjustable output current while providing a wide input voltage range and extended temperature range. Its 4-step operation cycle ensures an efficient component in laser diode drive applications.

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