ISL6549IRZ-T

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 ISL6549IRZ-T is a power management integrated circuit (PMIC) that is used to regulate voltage. It belongs to the family of linear and switching voltage regulators which improve the performance, power density and size of electronic devices. This article will discuss the application field and working principle of the ISL6549IRZ-T.

The ISL6549IRZ-T is used primarily for computing and commercial applications such as storage, networking and desktop PCs, tablets and notebooks. It is also used in medical applications such as medical test and monitoring equipment, CT and MRI machines. The ISL6549IRZ-T is a power-saving voltage regulator which can improve system performance and power efficiency, allowing for higher performance and longer battery life.

The ISL6549IRZ-T integrates two linear channel (VCC1 and VCC2) voltage regulators as well as a switching mode power supply (SMPS) on a single chip. The linear channel consists of two controllers: one for the main supply of 3.3V/5V and another for the auxiliary power of 0.9-3.3V. The integrated Switch Mode Power Supply can provide up to 4A of supply current. The switching mode power supply provides higher efficiency, reduced component count and better system thermal performance.

For the linear channel voltage regulators, the ISL6549IRZ-T integrates MOSFET devices in the output stage and offers adjustable current output capability for both VCC1 and VCC2 rails. The output voltage is regulated through error correction with current sensing. Error correction offers better accuracy and stability with minimal external component count. The on-chip power MOSFET provides overcurrent protection with adjustable current limits.

The integrated SMPS on the ISL6549IRZ provides a cost effective design solution for computing, consumer and industrial applications where the maximum current demand is less than 4A. It operates at a fixed frequency and uses pulse width modulation (PWM) to regulate voltage. The PWM control provides good line and load regulation and high efficiency. Synchronous rectification technology further increases efficiency and reduces power losses.

The ISL6549IRZ-T provides protection features such as over current, over voltage and under voltage protection. Over current protection is provided by an adjustable current limit, while over voltage and under voltage protection require external components to be added to the design. The over temperature protection limits the die temperature and prevents degradation or catastrophic failure of the device.

The ISL6549IRZ-T is a cost effective and low power solution for computing, consumer and industrial applications. It integrates a linear and a switching voltage regulator on one chip, providing higher efficiency and performance. With its over current, over voltage, and under voltage protection, the ISL6549IRZ-T is an ideal voltage regulator for a wide range of applications.

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