RP08-4812DAW

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

DC to DC converters are devices used to convert a direct current (DC) from a given source to a different DC voltage suitable for powering a range of electronic devices and circuits. The RP08-4812DAW is a DC to DC converter with an automatic disconnect feature that contains an integrated controller that is made for motor control, automotive lighting, boosters, VRM regulators, and other power applications. This article will discuss the RP08-4812DAW’s field of application and its working principle.

The RP08-4812DAW is designed for use in a wide range of automotive applications such as automotive battery management systems, automotive power systems, and electric vehicle power systems. The device is also suitable for industrial applications like boost converters, offline power supplies, replacement point-of-load (POL) modules, and integrated solutions for embedded systems.

The RP08-4812DAW features a high efficiency and high power density (4 A/98 %) in a compact 4x4 QFN package. The controller is a synchronous buck device with a regulated output voltage of 0.6–5V. The device also contains a dc-to-dc control loop with a Feedback Assist™ circuit. This circuit enables the controller to be configured for feedback or regulation and provides hysteresis to the current limit and to the high side MOSFET to prevent self-oscillation. This makes the device suitable for multiphase current sharing and provides high reliability in dynamic operating conditions. The RP08-4812DAW also includes built-in thermal protection and an Under Voltage Lockout (UVLO) circuit for additional safety.

The working principle of the RP08-4812DAW is based on a synchronous buck integrated circuit with the primary side MOSFET active during the switching period, working with a constant operating frequency of 375 kHz and optimized for stabilized output voltage and current protection. The device has an asynchronous buck integrated circuit with the secondary side MOSFET active during the switching period, and also an independent constant switching frequency of 500 kHz. Together, the primary and secondary MOSFETS provide a high efficiency and excellent thermal management.

The RP08-4812DAW also has a Feedback Assist™ circuit that is designed to provide optimal power transfer from input to output under various dynamic operating conditions. The circuit provides hysteresis that prevents self-oscillation of the current limit switch and it also enables a wide range of current levels to be controlled and remain accurately regulated under the current limit.

In addition to its Feedback Assist™ circuit, the RP08-4812DAW has an Under Voltage Lockout (UVLO) circuit that protects the device from operating outside of specified voltage ranges. The circuit also provides hysteresis for improved accuracy and enables voltage monitoring from internal or external feedback sources. The device also includes a built-in temperature sensing circuit that shuts down the device when temperatures become too high.

Overall, the RP08-4812DAW is a DC to DC converter with a synchronous buck integrated circuit, an autodisconnect feature, and extra features that improve and regulate power performance for various automotive and industrial applications. It has the advantage of a wide range of current levels that can be accurately regulated, a Feedback Assist™ circuit with hysteresis for improved accuracy, Built-in thermal protection, and a UVLO circuit.

The specific data is subject to PDF, and the above content is for reference