ADN2848ACPZ-32-RL7 Integrated Circuits (ICs)

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PMIC, or Power Management Integrated Circuits, are a type of integrated circuits (ICs) designed to maintain, manage, and control the overall power of a system. This is accomplished by using components such as high-efficiency power converters, low-noise regulators, battery controllers, and other circuits with performance- enhancing features. PMICs are utilized in most consumer electronics, automotive, and industrial applications, including mobile phones, laptop computers, digital cameras, and other portable devices.

Laser drivers are a type of PMIC\'s used for driving laser diodes. Laser drivers provide the necessary electrical power to the lasers to turn them on, sustain their operation, and shut them off when necessary. The ADN2848ACPZ-32-RL7 is a laser diode driver used for high power laser diode applications. It is a 5A, 7V adjustable current regulator with a maximum output power of 35W. It is designed to provide a constant output current to the laser diode even under changing load conditions. It utilizes PWM frequency control to sequence the on/off time of the laser diode, and can protect against overcurrent, thermal, and open-loop conditions.

The ADN2848ACPZ-32-RL7 laser driver can be used to provide reliable and accurate power to high power laser diode systems used in applications such as rangefinder and 3D scan lidar systems. It provides adjustable output current from 0.1A to 5A, with a wide input range from 6V to 20V. The PWM operation of the device eliminates the need for a digital-to-analog converter and provides the necessary feedback for power control. Additionally, the device incorporates an adjustable overcurrent limit that can protect against potential fault conditions.

The operating principle of the ADN2848ACPZ-32-RL7 is based on an error amplifying circuit with a current sense amplifier. The device uses an external sense resistor to sense the current in the laser diode. The sensed current is compared with the reference voltage, and the error amplifying circuit provides corrective action to keep the output current at the required level. The PWM control circuit then uses this information to control the on/off time of the laser diode and provide the necessary output current.

In summary, the ADN2848ACPZ-32-RL7 is a PMIC laser driver used for high power laser diode applications. It utilizes an error amplifying circuit and a PWM control circuit for regulating the output current and providing protection against fault conditions. The device is used to power rangefinder and 3D scan lidar systems, providing a reliable and accurate source of power even under changing load conditions.

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