IRU3046CFTR

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 IRU3046CFTR is an integrated, feature-rich, power management integrated circuit (PMIC) from Infineon Technologies, specifically designed to support linear and switching voltage regulation applications. The device integrates a high-efficiency synchronous rectifier, buck controller and a 2-channel linear regulator and provides a simple and efficient solution for managing large currents in multiple voltage rails.

The IRU3046CFTR has a number of attractive features that can be utilized in a wide variety of applications, such as telecommunications, industrial, automotive or consumer. These features include:

• Architected to enable 2-inductor 2-output synchronous buck conversion
• Integrated MOSFET and Schottky Diode for Highest Efficiency
• 25 mV Typical Load Regulation of Output Voltage
• Supports up to 4 A Current Limit for Buck Controller and 2 A for Each Linear Regulator
• On-chip High-Bandwidth Currentsense Amplifier
• Fully-Integrated Adjustable Undervoltage Lockout of both Buck Controller and Linear Regulators
• Spread Spectrum for Limiting EMI
• Overtemperature Protection

The device is suitable for power management in applications such as portable digital products like camera, Blu-ray players, HDTVs, and notebook computers, telecommunication systems such as network routers and base stations, gaming consoles, and industrial systems such as programmable logic controllers, micro-controllers, and motor drives. The combination of the synchronous buck controller and dual linear regulators provides a perfect solution for powering multiple voltage devices.

At its heart, the IRU3046CFTR is a linear/switching voltage regulator. It is a four-stage power management device that can provide up to four independent outputs (two buck and two linear). The device integrates a high-frequency synchronous buck controller, high-speed MOSFET, current-sense amplifier and two configurable power rails. The voltage regulation loop comprises of high-side buffer, reference and error amplifier, operational amplifier and low-side driver.

The first step of the process is to generate the onboard reference voltage. This is done by using a voltage-divider network, which is connected to the built-in DC-DC converter, and then scaled to the accuracy required by the load. Output current-sense signals are sampled and buffered by the amplifier, and the voltage and current levels are compared internally to determine the load current and voltage regulation. The error voltage is compared with the reference voltage to determine the power supplies\' output regulation. Lastly, the output of the error amplifier is converted to a low-side current command to adjust the output voltage to the setpoint.

The synchronous buck controller is used to manage the power from a boost or buck converter, and converts it into a rail voltage (either positive or negative) suitable for powering the load. The buck controller has programmable current limit and voltage regulation, with adjustable output voltage and current limit. This ensures that the output remains in regulation and does not exceed the maximum current determined by the user.

The two linear regulators are used to generate two independent, adjustable linear outputs. Each of the two outputs can handle up to 2A of current and are adjustable through external resistors. All three regulation loops can be disabled individually, ensuring minimum power dissipation when not in use.

The IRU 3046CFTR PMIC from Infineon is a high-efficiency, feature-rich device specifically designed to support linear and switching voltage regulation applications. The device integrates a high-efficiency synchronous rectifier, buck controller, and two configurable power rails, allowing it to provide multiple voltage rails while delivering optimal efficiency. The device can be utilized in a wide range of applications, including telecommunications, industrial, automotive or consumer, and is a perfect solution for managing large currents in multiple voltage rails.

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