MAX3669EHJ

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Max3669EHJ is a power management integrated circuit (PMIC) designed to drive laser devices. It is an integrated DC/DC converter and LD driver with integrated safety features and small low-profile packaging. The device supports input voltages of 3.3V-15V and features a maximum output voltage of 2.8V.

The Max3669EHJ has a wide array of application fields, from medical to automotive industries. It can be used to drive laser devices for medical and vision systems, industrial laser applications, laser printers, iris scanners, and for automotive applications, such as laser-welding and laser-cutting.

The circuit adopts a patented Beta-Gamma modulation scheme for current control that allows for compact design and high efficiency. To protect the laser optical instrument from overcurrent and overvoltage conditions, the device includes current limit, soft start, and overvoltage protection features.

The device also features an integrated thermal loop with thermally-compensated current control, which improves the accuracy of current control and increases system efficiency. This thermal loop helps maintain the required optical power output of the laser device under varying temperature conditions.

The device is designed with adjustable output current that can be adjusted simply by programming the OTP register, which sets the output maximum current. This allows users to quickly adjust the output current level to match the current required by the application, as well as allowing for customization of the device.

The Max3669EHJ also includes a variety of safety features, such as laser disabled shutdown, undervoltage lockout, overvoltage protection, overcurrent limiting and thermal shutdown. These features ensure the device will remain safe in the event of any system errors.

In summary, Max3669EHJ is a PMIC laser drivers with a wide range of application fields, such as medical and automotive industries. Its highly integrated design and safety features make it a highly dependable, cost-effective device for driving lasers.

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