ISL6506BCBZ-T

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The ISL6506BCBZ-T is a power supply controller, monitor and sequencer. It offers low power capability and intelligent step-down/step-up control, monitoring and protection for providing a reliable power supply to embedded applications. The device is mainly used for SoCs and other applications with wide input voltage ranges (4.5V to 48V). The high efficient synchronous buck converter, with current mode control, combined with a quiescent current of 1.7 µA, ensures optimal efficiency over the entire load range. The ISL6506BCBZ-T can also be used as a dual-channel SMPS control and monitoring solution.

The ISL6506BCBZ-T is a highly integrated device that combines a step-down/step-up converter, a power-OK signal detector, a fault protection controller, a sequence controller, an internal reference and a soft-start sequencer. The power-OK signal is an active low signal, indicating the power supply output is stable and able to provide the necessary power requirements. The internal fault protection is composed of overcurrent protection, overvoltage protection, UVLO protection and temperature protection. The ISL6506BCBZ-T integrates a sequence controller and a soft-start sequencer, allowing for a smooth transition from the initial phase to the steady-state phase. Additionally, it offers two FAULT# pin outputs and a dedicated EN_VDD pin for voltage tracking.

The ISL6506BCBZ-T has many features to help reduce system cost and board space, allowing for flexible design for space-limited applications. The wide input voltage range (4.5V to 48V) provides the flexibility to meet different power requirements, and allows for a single device to be used in most applications. The device can also be used in a variety of system applications, such as server and cloud computing, storage and communications, automotive, medical and industrial applications.

Additionally, the ISL6506BCBZ-T has a very low quiescent current (1.7 µA), which helps reduce total system power consumption and increases system efficiency, while the integrated power-OK signal detector and fault protection controller help to ensure system reliability and safety. The device also integrates a high-accuracy voltage reference, enabling precise accuracy of the set voltage. Furthermore, the two FAULT# pins are non-latching and monitor fault conditions in real-time.

In summary, the ISL6506BCBZ-T is a highly integrated, feature-rich device ideal for applications with wide input voltage ranges (4.5V to 48V), low quiescent current, fault protection and a power-OK signal detector. Its integration and flexibility means it can be used in a wide variety of system applications such as servers, networking, automotive, medical and industrial, and due to its compact size, it offers significant board space savings.

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