DS4560LS-LO+

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Among modern electronic devices like servers, data-networking devices, storage systems, and networking appliances, hot-swap switching components are commonly used to enable fast and reliable replacements and upgrades. As such, the need for efficient and effective hot-swap controllers have become increasingly relevant in order to ensure the proper functioning of these devices. This is where the DS4560LS-LO+ PMIC comes in.

The DS4560LS-LO+ from Texas Instruments is a load switch hot-swap controller designed to handle up to 20A of output current while minimizing loss in the power path. It provides device fault protection, enabling safe inrush current limiting, reverse current blocking, and short circuit protection. The device also features an enhanced power technology that prevents power supply brownouts, includes voltage regulation accuracy and maintainable power supply levels over wide temperature ranges. It also supports single-wire programmable current limit and power-good assertion for fault conditions.

The DS4560LS-LO+ provides an optimal balance of power, output current, and performance. It is ideal for applications such as industrial and embedded systems, telecom, datacom, and consumer equipment. The device operates over a wide input voltage range of 3.7V to 28V, making it suitable for a wide range of applications.

The main features that make the DS4560LS-LO+ an ideal choice for hot-swap controllers include:

• Integrated power switch with internal power MOSFET and current limit control
• Integrated voltage regulator to optimize steady-state conditions
• Integrated low-side direct FET driver
• Integrated reverse-current blocking
• Integrated temperature protection
• Programmable current limit and power-good assertion
• Supports wide temperature range from -40ºC to +125ºC

The DS4560LS-LO+ is designed to be used in applications where the load must be powered from a battery, a large capacitance, or a DC-DC converter. It functions as the interface between the power source and the load. The device is a combination of a load switch and a voltage regulator, with the main components integrated into a single package. It enables fast and safe hot-swap operation, while preventing reverse current flow, short-circuiting, and uncontrolled inrush current.

At the heart of the DS4560LS-LO+ is a p-channel power MOSFET with an integrated current limit control. This allows precise setting of the current limit, thus preventing the RDSon of the device from exceeding a certain value. The device also features an internal power good signal and single-wire programmable current limit, enabling precise control of the power output.

The DS4560LS-LO+ hot-swap controller also offers additional features such as thermal shutdown, integrated voltage regulator for precise voltage regulation, and over current protection. The device is designed for use in applications with high power density, where efficient and reliable hot-swap control is of paramount importance.

The DS4560LS-LO+ hot-swap controller from TI provides the optimal solution for a range of applications, including server, storage, and networking systems, industrial and embedded systems, and consumer applications. With its integrated power switch, current limit control, reverse current blocking, and thermal protection, the device ensures efficient and safe hot-swap operation, while also preventing power supply brownouts and over current conditions.

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