IR3595MTRPBF

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IR3595MTRPBF: Application Field and Working Principle

IR3595MTRPBF is a new type of DC DC switching controller from Infineon, which is classified as a DC DC switching controller under the category of PMIC (Power Management ICs). This controller serves the purpose of controlling the delivery of the buck power supply from input to output. It efficiently converts a higher voltage to a lower voltage, or in other words, it steps down the input voltage. This step-down power supply topology is usually used in automotive and low-voltage applications.

The IR3595MTRPBF controller comes with PWM (Pulse-width Modulation) control, which optimizes the efficiency of the power supply system using the fixed-width pulses. This PWM control is usually done using a microcontroller or a dedicated controller, but the IR3595MTRPBF controller approach saves time and cost as no microcontroller is required and the algorithm is built-in. In addition to this, the IR3595MTRPBF controller is also capable of supporting multi-phase buck synchronized rectification for high-frequency applications, which reduces EMI (electromagnetic interference) as well as the number of external components required.

The IR3595MTRPBF controller provides a wide range of adjustable output, with a minimum output voltage of 0.75V, along with flexible output current settings and varied soft-start and current-limit protection. This enables designers to adjust the output voltage and current according to their needs. The IR3595MTRPBF also supports multiple I2C (Inter-Integrated Circuit) compatible control modes and flexible logic levels, which gives it the ability to be used in various applications and different logic levels.

The IR3595MTRPBF is also designed with circuit protection features such as over-current protection, under-voltage lock-out, device over-temperature protection, and over-voltage protection. With these features the controller is able to provide a stable power supply, which is essential for a wide range of applications. The on board gate drivers provide fast switching of the MOSFETs, resulting in low switching losses and high efficiency.

In addition to the features mentioned above, the IR3595MTRPBF controller also provides adjustable single-ended pulse-width modulation (PWM) frequency, as well as selectable fixed frequency operation. The adjustable frequency range is from 500 kHz to 1 MHz, with a resolution of 25 kHz for fixed frequency operation. The IR3595MTRPBF also has power saving features such as the zero current turn-off operation, which significantly reduces the amount of power consumed by the circuit.

The IR3595MTRPBF controller is a great choice for automotive applications and other low-voltage applications where its efficiency and low-EMI features make it stand out as an effective power supply solution. Its adjustable settings and advanced protection features also make it well suited for these applications.

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