ADN2871ACPZ-RL7

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PMIC (Power Management IC) – Laser Drivers are electric circuits or devices used to accurately control the power transfer from a power supply to a semiconductor laser. ADN2871ACPZ-RL7 is a laser driver IC specifically designed for applications where higher power and efficiency is required for a laser.

The working principle of the ADN2871ACPZ-RL7 laser driver is that it receives an off-time, current programming, and on-time information from a controller and uses these parameters to accurately control the power to the laser. It is an integrated circuit that can deliver the precise amount of current and voltage required for the laser through a MOSFET switch. In general, the peripheral design of the laser driver is concentrated around the MOSFET switch, including the inductive element that is connected to the output of the MOSFET switch, so as to provide a stable and efficient power flow to the laser.

This laser driver IC is particularly suitable for applications such as optical storage, optical phasing, and projectors, which require high laser efficiency. Its wide modulation bandwidth of 50 MHz to 600 MHz with a 1V peak-to-peak differential output voltage range makes it ideal for applications requiring fast switching capability, such as optical data communication and LiDAR. In addition, its high efficiency and thermal stability allow for the operation of high power laser applications.

The ADN2871ACPZ-RL7 is also equipped with advanced protection features that reduce the risk of damage to the laser due to overvoltage and current faults. It has an overvoltage protection circuit and a built-in current sense circuit to monitor the current levels in the laser source. In addition, the IC provides an integrated current limiter with a threshold current of 400 mA, as well as protection mechanisms against thermal runaway and overcurrent.

In summary, the ADN2871ACPZ-RL7 laser driver IC is a versatile and reliable power supply solution, specifically designed for applications requiring higher power and efficiency from a laser, such as optical storage, optical phasing, projectors and LiDAR. It is capable of delivering accurate power and has built-in protection mechanisms to reduce the risk of damage to the laser due to overvoltage and current faults.

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