IR25606STRPBF Integrated Circuits (ICs)

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IR25606STRPBF (IR25606S) is an integrated circuit designed for use as a logic gate driver in the switched mode power supply (SMPS) application. The IR25606S is a single-channel gate driver designed for applications such as driving half-bridge or full-bridge MOSFETs for buck, boost, flyback, and half-bridge converters. It has been designed to provide an optimal circuit performance when driving a wide variety of load configurations including single-ended MOSFETs, low side MOSFETs, or even a back-to-back MOSFET configuration.

The device is typically used as a logic gate driver in the switched mode power supply (SMPS) application. It enables designers to drive high-power logic levels with low-power logic levels, and is particularly useful in buck, boost, flyback, and half-bridge converters. The device features high-side/low-side bridging protection that reduces the risk of overdriving the gate drivers in a half-bridge or a full-bridge configuration. The device has a built-in circuit protection feature, which protects the gate drivers from excessive current in the event of a short circuit. Additionally, the device offers ruggedness, high-speed behavior, and fast fault recovery time for use in even the most challenging SMPS applications.

The IR25606S provides over-voltage protection (OVP) for both the logic and power ground pins, ensuring safe operation even in the event of over-voltage conditions. The extensive circuit protection provided by the device can also help reduce maintenance costs as any overvoltage events that cause short circuit conditions will be immediately shut off, protecting the entire circuit. The device also features adjustable dead-time control, allowing designers to finely tune the output voltage waveform, current limit values, soft start, and other important parameters.

The working principle of the IR25606S is based on its two-state operation. When a logic-level voltage is applied to the input, the device drives one of the two high- and low-side gates with a low-side bias. As the logic level is inverted at the input, the polarity is reversed, switching the low-side bias and driving the other gate. To prevent cross conduction, the device also has an adjustable dead time control for optimal waveform control and fault isolation. Additionally, the device can withstand up to 40V and up to a 1.5A continuous current.

The IR25606S is an ideal solution for high-power and high-speed applications such as power factor correction (PFC), pulse-width modulation (PWM), and buck, boost, flyback, and half-bridge topologies. Its integrated over-voltage protection (OVP) allows it to withstand potential over-voltage condition. In addition, it offers high-speed behavior and fast fault recovery time, making it suitable for even the most demanding applications.

In conclusion, the IR25606STRPBF is an advanced power management integrated circuit that has been designed to provide reliable and high-performance switching of power MOSFETs in a variety of power supply topologies. Its robust integrated circuit protection, adjustable dead-time control, and fast fault recovery time make it an ideal choice for high-power and high-speed power supply applications.

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