BD9303FP-E2

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

The BD9303FP-E2 is a switching regulator IC designed to provide an efficient solution to complex power issues in small, medium, or large power systems. This device is used in DC/DC conversion applications, and provides both step-up and step-down control. It is an integrated solution with a high current drive capability, wide operating temperature range, low-power mode, and programmable slew rate. In addition, BD9303FP-E2 provides built-in protection features, such as over-voltage protection and phase-locked loop (PLL) control. All these features make BD9303FP-E2 a very efficient power management solution.

BD9303FP-E2 belongs to the PMIC (Power Management Integrated Circuit) family of a voltage regulator. As a DC/DC switching regulator, it uses a integrated buck-boost configuration to efficiently convert the input voltage to the output voltage. It adopts internal synchronous rectification technology, providing high efficiency and better performance for various applications.

The working principle of BD9303FP-E2 lies in the input voltage and output voltage regulated by passing through different conversion stages. In the application circuit, the input voltage is first delivered to a buck converter. This buck converter operates as a linear regulator and supplies the power to the load with a preset stable voltage. Then the output voltage of the buck converter is converted to the desired voltage according to the control voltage supplied by the control circuit.

The control circuit is responsible to adjust the operation of the buck converter and thus to achieve the target output voltage. It performs this task by adjusting the phase-locked loop (PLL) frequency and controlling the gate drive signals. When the input voltage level is changed, the phase-locked loop will select a new frequency to adjust the output accordingly. The PLL control allows the device to maintain an accurate output voltage despite the changing input voltage.

To ensure that the output voltage does not overshoot or oscillate, an over-voltage protection circuit is included in BD9303FP-E2. This circuit continuously monitors the output voltage and cuts off the gate drive to the switch when the output voltage reaches the over-voltage protection threshold. This ensures the reliability and keeps the device in a stable state.

In addition, the BD9303FP-E2 also provides a low-power mode and a programmable slew rate. The low-power mode reduces the device’s power consumption significantly by disabling the clock and loading the circuit with an equivalent static power. While the programmable slew rate allows the user to adjust the rate at which the output voltage ramps up or down depending on the input voltage, making the device more flexible in operation.

Due to the high level of integration and great set of features, the BD9303FP-E2 is a versatile and widely adopted solution for many applications, including DC/DC converters, industrial computers, automotive electronics, home systems, and more. This wide applicability and great functionalities make the BD9303FP-E2 an efficient power management integrated circuit suitable for a variety of applications.

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