LTC1421IG-2.5#PBF

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Power management integrated circuit (PMIC) is an essential component in any electronic device. It is used to regulate and distribute power to protect sensitive components from the risk of unexpected power surges, overcurrents, and other damage. Hot swap controllers are a type of PMICs that allow for a live power connection and disconnection of electronic components without powering down the system. One such type of hot swap controller is the LTC1421IG-2.5#PBF. This article will discuss the application fields and working principle of this device.

Application Fields

The LTC1421IG-2.5#PBF is a hot swap controller designed to provide active control of a live power connection. This device is commonly used in applications such as communication systems, computer systems, and portable electronics. It is well suited for these types of applications due to its low voltage drop and great stability under both normal and overcurrent conditions. The device also offers a variety of protections such as overcurrent, overvoltage, short‐circuit, and undervoltage protection. In addition, it is ESDprotected and RoHS compliant, ensuring a safe and reliable product.

Working Principle

The LTC1421IG-2.5#PBF works by actively controlling a live power connection. When a device is connected to the power supply, the controller monitors and regulates the current. When an overcurrent situation is detected, the controller immediately engages and will shut down the power until the situation is resolved. The device also provides control of a wide range of voltages, allowing it to be used in varied applications. Additionally, the device offers various protection features, such as overcurrent and short-circuit protection, to further ensure the safety of the system.

The LTC1421IG-2.5#PBF also features an on-chip power MOSFET that can handle up to 4.4A. This makes it an ideal choice for applications such as communications and computer systems, where reliable power delivery is essential. The device also features an adjustable current threshold that can be set to meet specific application requirements. Additionally, the device offers an adjustable overvoltage protection threshold. The device also features both thermal shutdown and thermal warning protections for superior performance and safety.

Conclusion

The LTC1421IG-2.5#PBF is a hot swap controller designed to provide active control of a live power connection when connected to a power supply. Common applications of this type of device include communications systems, computer systems, and portable electronics, as the device offers low voltage drop and great stability when used under both normal and overcurrent conditions. The device also offers a variety of protections such as overcurrent, overvoltage, short‐circuit, and undervoltage. In addition, the device is ESD-protected and RoHS compliant, ensuring safe and reliable product performance.

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