UCC3912DPG4

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UCC3912DPG4 is an advanced Hot Swap Controller device targeted for wide input range of + 3.2V to + 24V with a maximum output current of 10A. The device provides all of the features necessary for a safe and reliable hot swap circuit with input voltage monitoring as well as inrush current limiting, over-current protection and charge current limitation. Its integrated power FET turns off when an over-current condition is detected, and it automatically resumes normal operation when the fault condition is cleared.

Application Field

UCC3912DPG4 is the perfect Hot Swap Controller for systems that require high performance, reliability and safety. It is designed to be flexible enough to meet a wide range of hot swap applications from consumer consumer electronics, industrial, medical and automotive products. The device is also particularly well-suited for applications that require over-current protection and robust power sequencing.

For consumer consumer electronics, such as storage systems, the UCC3912DPG4 can easily provide a safe and reliable hot swap solution. The device can also be used in process control and industrial automation systems, and in medical equipment applications. The UCC3912DPG4 is also particularly suitable for automative applications, such as battery packs and fuel cells.

Working Principle

The UCC3912DPG4 Hot Swap Controller provides an ideal solution for safe and reliable hot swap operations at any voltage range. The device features a low resistance Power FET that helps minimize voltage drops and ensures optimal electrical performance. The device also supports very low quiescent current in order to minimize power consumption.

The UCC3912DPG4 monitors the power line connected to its input and, when an over-current event is detected, the device’s integrated FET turns off and, once the event is cleared, the device returns to normal operation. The device also has an adjustable current limit, allowing the user to set the maximum current allowed through the power FET in order to protect it from over-current events.

The hot swap controller also incorporates a thermal shutdown feature, which prevents damage to the system due to overheating. The device also includes an auto-retry feature that automatically attempts to drive an over-current condition out from system. This feature can be disabled, if desired.

The Hot Swap Controller also incorporates a low cost, high-performance absolute voltage monitor (AVM) for easy and accurate voltage sensing. The AVM continuously monitors the input voltage and triggers an interrupt if the voltage exceeds the programmed level. This interrupt can then be used to initiate a power cycle or alert the system if a voltage fault is detected.

Overall, the UCC3912DPG4 Hot Swap Controller is the perfect solution for applications that require high performance, reliability and safety. It provides robust power sequencing and over-current protection capabilities to ensure safe and reliable hot swap operation in any voltage range.

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