LM25061PMM-2/NOPB

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PMIC(Power Management Integrated Circuit), more generally referred to as an Application Specific Integrated Circuit (ASIC), are integrated circuits designed to be used in portable consumer electronics, medical devices, industrial applications, and other low-power, or medium-power products. Hot Swap Controllers are a class of PMICs that are used to monitor and control power switches in real time. The LM25061PMM-2/NOPB is a Hot Swap Controller with adjustable current sense for low-voltage applications.

Features

The LM25061PMM-2/NOPB has a wide range of features that make it an attractive option for applications requiring precise control over the hot-swap current. It contains a high-precision periodically adjustable current sense, adjustable current-limit threshold, input-voltage monitor, output voltage monitor,gate drive short-circuit protection, slew rate control and fault detect logic. Furthermore, it provides a low minimum on-time of 50ns, fast current-limit transition time of 30ns, adjustable under-voltage and over-voltage lockout protection, plus protection against instantaneous overvoltage and sudden-current surges.

Application field

The LM25061PMM-2/NOPB is suitable for a wide variety of applications which require precise control over the hot-swap current. Its low-voltage capabilities make it an ideal choice for embedded systems, automotive and aerospace electronics, communications equipment, industrial control systems, and hard disk drives. Its adjustable current-limit threshold, flexible input/output monitor, and robust gate drive short-circuit protection make it an ideal solution for many of these applications.

Working Principle

The LM25061PMM-2/NOPB works by sending a gate drive signal to a power switch when the load current is greater than the pre-configured current-limit threshold. When the threshold is exceeded, the gate drive signal is cut and the switch is disabled. This ensures that the circuitry and load current remains safe even if the load current is higher than expected. The adjustable current-limit threshold and voltage monitor can be used to prevent input-line overvoltage or undervoltage conditions and ensure that the system remains functional even in unstable input-line conditions. Additionally, the gateway and fault-detect logic provide a robust mechanism for detecting any issues with the switch, preventing any potential damages to the circuitry.

Conclusion

The LM25061PMM-2/NOPB is a high-performance Hot Swap Controller with adjustable current sense that is suitable for a wide variety of applications. Its adjustable current-limit threshold, flexible input/output monitors, and robust gate drive short-circuit protection make it an ideal solution for applications that require precise control over the hot-swap current. Additionally, its low-voltage capabilities ensure that the system can remain functional even in unstable input-line conditions.

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