ISL6552CBZ

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ISL6552CBZ is an all-purpose, high-performance DC-DC switching controller. It is a type of PMIC (Power Management Integrated Circuit), specifically voltage regulators, and is designed to provide step-down, step-up, and other switching output options for various applications. It provides accurate current and voltage regulation, low RDS (On)-Power consumption, and a variety of other features.

The ISL6552CBZ is a single-channel, step-down (buck) and step-up (boost) switching device with an integrated current sensing circuit, a maximum output current of 5A and an adjustable output voltage. It is based on a low-power CMOS process with a wide operating temperature range (−45°C to +125°C). The ISL6552CBZ also provides easy conversion of unregulated DC power to regulated DC output, allowing applications to meet strict efficiency standards. In order to reduce system design complexities, the ISL6552CBZ is as easy to use as possible, featuring an integrated analog current sense amplifier, programmable over-voltage protection, and a flexible control interface.

The ISL6552CBZ features an integrated soft-start function and wide differential voltage range for ride-through of supply line transients. Additionally, the ISL6552CBZ has an on-chip temperature sensor and programmable current-limit thresholds. These features provide enhanced thermal regulation and improved transient response capabilities. Depending on the application, the ISL6552CBZ offers low and high switching frequencies, an adjustable soft-start rate, integrated short-circuit protection and smooth transition during ON/OFF switching.

At the core of the ISL6552CBZ functionality is its current-mode PWM (pulse-width modulation) control, which operates at fixed and adjustable switching frequencies. Current-mode control reduces EMI (electro-magnetic interference) noise and improves stability in the switching environment. With the ISL6552CBZ, the user can adjust the operating frequency, duty cycle and both the voltage sense threshold and the current sense threshold. This provides expanded system design flexibility for various applications.

The ISL6552CBZ\'s low pin count and wide range of features make it ideal for use in automotive, industrial and other distributed power systems. It also helps reduce system size and cost, allowing for greater flexibility and scalability. Applications such as power supplies, battery chargers, automotive power systems, industrial power systems, solar energy systems and wireless power systems are just some of the applications for the ISL6552CBZ.

In summary, ISL6552CBZ is an all-purpose, high-performance DC-DC switching controller. It is a type of PMIC (Power Management Integrated Circuit), specifically voltage regulators, and is designed to provide step-down, step-up and other switching output options. The ISL6552CBZ is based on a low-power CMOS process with a wide operating temperature range. It provides easy conversion of unregulated DC power to regulated DC output, enhanced thermal regulation, improved transient response capabilities, wide differential voltage range, integrated short-circuit protection, adjustable soft-start rate, and a wide selection of operating frequencies. It is ideal for use in automotive, industrial and other distributed power systems.

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