ISL6121HIBZA

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The ISL6121HIBZA is a family of integrated power controllers that is specifically used for laptop computers and notebooks. Developed by Intersil, it is an integrated circuit used to regulate the voltage and ensure that the power supply remains in a safe and reliable condition. The ISL6121HIBZA is designed for use with a 3.3-V-power general-purpose-input supply, and is suitable for a wide range of applications including monitor and notebook controller applications.

The ISL6121HIBZA is a high-efficiency, synchronous, step-up DC/DC power supply controller with integrated high-side current sense and dual N-channel MOSFETs. The integrated low-side current sense provides current-sensing precision without external resistors, while the integrated high-side current sense allows for accurate current measurement with external sense resistors. The integrated dual FETs reduce component count and improve efficiency as compared to discrete FETs. Integrated over-voltage protection helps ensure proper system operation while preventing system damage due to runaway conditions. Additionally, the ISL6121HIBZA includes a programmable soft-start feature and integrated threading control to reduce system-level inrush currents.

In operation, the ISL6121HIBZA regulates the output voltage by setting its start-up, maximum, and minimum thresholds. If a voltage threshold is exceeded, the ISL6121HIBZA will switch the output FETs off in order to protect the system from runaway conditions. The ISL6121HIBZA also provides protection from over-temperature by limiting its operation when a temperature threshold is exceeded. These protection features help ensure that the ISL6121HIBZA is able to maintain a safe and reliable operation, even in situations where the system may be exposed to high temperatures and currents.The ISL6121HIBZA also features a programmable soft-start feature which allows the system to gradually ramp up the output voltage to its desired level. This feature helps reduce inrush currents during start-up, while helping to prevent overtemperature conditions. The IC includes open-loop and closed-loop control which can be configured to manage a wide range of operating conditions. The IC also includes a built-in on/off delay, which allows the system to also manage undervoltage and overvoltage conditions.The ISL6121HIBZA is a great solution for power supply controllers, monitors, and notebook controllers. It offers a great combination of safety and performance in a single package, which makes it an attractive solution for many applications. In addition, the ISL6121HIBZA is available in a tiny 3 mm x 3 mm SUQFN package which makes it a great choice for projects with minimal space constraints.The ISL6121HIBZA is designed to provide a safe and reliable source of power for laptop and notebook controllers, monitors, and other applications. With its integrated dual FETs, programmable soft-start feature, and integrated threading control, the ISL6121HIBZA can be used to provide a robust and efficient power solution. The device’s integrated protections ensure that the system remains stable, even in challenging environments. Finally, the ISL6121HIBZA is offered in a tiny 3 mm x 3 mm package which makes it an ideal solution for designs with limited space requirements.

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