UCC2913D

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PMICs, or Power Management Integrated Circuits, are specialized integrated circuits designed to provide stable and efficient power to devices, instruments and systems. Hot Swap Controllers are a subset of power management ICs designed to protect a system by safely handling moments of disconnection/reconnection of power. The UCC2913D is a hot swap controller designed to provide improved surge protection, over-current protection and system optimization to a wide range of applications.

UCC2913D Application Field

The UCC2913D hot swap controller is specifically designed for distributed power systems, such as server racks and data center infrastructure. This device helps address system reliability and provides protection for applications during reconnection events. It is ideal for powering switched modems, telecommunication systems, medical systems and other systems where power distribution is critical.

In addition to its application field, the UCC2913D is popular for its ability to reduce system cost and provide reliable switching between loads. Additionally, it improves system reliability by providing protection from voltage and current transients.

UCC2913D Working Principle

The UCC2913D hot swap controller combines a 16V supply voltage range, an adjustable over-current detect protection level, and comparator-based voltage sense thresholds.

The on-chip monitoring circuit of the device is designed to detect when the remote load is connected or disconnected. This is accomplished by monitoring the voltage at the output of the power switches. The device will then generate a fast transients response to safety power up or power down.

The variable loop threshold voltage of the hot swap controller is used to adjust the protection level. This variable voltage feature allows for an adjustable fast-trip protection level. The UCC2913D also uses a low-power switching system and a power-up circuit for safe/slow ramp times.

When the load voltage exceeds the over-current threshold level, the device shuts down the power switch, preventing over-current and over-voltage from occurring. Additionally, the device provides an under-voltage protection feature to ensure no power will flow when the voltage falls below a set threshold.

Conclusion

The UCC2913D hot swap controller offers a wide range of features that make it a popular choice for distributed power systems. It provides a high level of protection and optimization while reducing system cost. The adjustable loop threshold voltage, fast response transients, and reliable switching make the UCC2913D an ideal choice for providing power to essential systems.

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