UCC27524AQDRQ1

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PMIC - Gate Drivers are used in a variety of applications to control the high-voltage switching operations of high side and low side power semiconductor devices. A typical application is the simple driving of a load inductor, such as in an isolated DC-DC converter. The UCC27524AQDRQ1 is a dual power switching gate driver capable of driving two high side N-MOSFETs. It is an integrated circuit that combines two gate drivers with low on-resistance MOSFETs and provides protection features such as over-voltage, under-voltage, and over-temperature protection.

The UCC27524AQDRQ1 has two gate drivers controlling two strobe inputs, each with an independent gate drive output. It provides adjustable voltage levels for high-side and low-side gates of N-MOSFETs. The gate drive outputs of each driver can be clamped at a voltage level from 0V to 14V in order to reduce the rise and fall times of the switching edges of the MOSFETs. An integrated Temperature Index protection feature allows for efficient thermal protection of the MOSFETs.

The UCC27524AQDRQ1 is typically employed in important applications such as over-current/over-temperature protection, DC-DC converters, automotive climate control systems, and engine start-stop systems. It is especially suitable for use in automotive applications thanks to its ability to operate over a wide temperature range of -40°C to 125°C.

The UCC27524AQDRQ1 provides the drive capability to drive two N-MOSFETs with up to 15V gate-to-source voltage and up to 20A peak current. It features built-in infrared temperature sensing and thermal protection and can be used for both synchronous and non-synchronous PWM control and single cycle on/off control. It has low supply current and fast switching speed.

The UCC27524AQDRQ1 is a two-channel monolithic power switching gate driver IC, suitable for driving a wide variety of discrete high-side/low-side N-MOSFETs. It is packaged in small 8-pin SO package, which makes the UCC27524AQDRQ1 a compact and power-efficient solution suitable for applications where board space is a premium.

The UCC27524AQDRQ1 offers excellent performance with low-on-resistance. The low-on-resistance ensures high efficiency in power applications. Moreover, it operates at a wide input voltage range of 4.0V to 14V, making it suitable for various power levels. When used in conjunction with the optional bootstrap diode, it can achieve higher gate voltage, allowing for improved efficiency.

In addition, the UCC27524AQDRQ1 has built-in over-voltage, over-temperature, under-voltage, and current protection features. These features ensure that the IC is protected against damage caused by unexpected and excessive current operations. It also includes several additional features, including a sleep mode, adjustable dead-time, internal pull-up and pull-down resistors, and a dedicated reset pin.

In conclusion, the UCC27524AQDRQ1 is an excellent power switching gate driver IC, ideal for use in applications where DC-DC conversion, automotive climate control systems, and engine start-stop systems are present. It is an integrated circuit that combines two gate drivers with low on-resistance MOSFETs and provides protection features such as over-voltage, under-voltage, and over-temperature protection. This IC is packaged in a small 8-pin SO package, which makes the UCC27524AQDRQ1 a compact and power-efficient solution suitable for applications where board space is a premium.

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