TPS2390DGK

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PMIC - Hot Swap Controllers are power management integrated circuit devices that are typically used to safely introduce power to an electronic circuit. One of today’s most advanced and versatile hot-swap controllers is Texas Instruments’ TPS2390DGK, which offers two integrated MOSFETs for high-current, hard-swap loads.

This device is mainly used when powering up a system from a live, or already-running system. When power is supplied to the system on startup, the TPS2390DGK monitors and prevents current overloads.

The TPS2390DGK application field involves the use of PDUs (Power Distribution Units) in server racks and distribution cards in telecom/datacom applications. It is suitable for hard-swapping and supplying power to boards such as CPUs, GPUs, and FPGAs, as well as modem boards.

The working principle is based on a basic voltage-level set point concept. The TPS2390DGK monitors the incoming supply voltage and regulates the power to the downstream system based on the set point. This helps protect the system against overvoltage, undervoltage, overcurrent, and other conditions that can lead to device failure and system damage.

The TPS2390DGK hot-swap controller has a variety of features that make it ideal for use in a range of applications. It offers adjustable overcurrent and overvoltage protection, an auto-restart feature that eliminates the need for manual intervention in the event of an overcurrent event, and the ability to detect short circuits and diagnose output problems.

The TPS2390DGK also boasts a range of safety features including a fault-feedback pin for detecting overcurrent or overvoltage faults and an open-circuit-detection feature. Additionally, the device features an active clamp pin to help prevent shoot-through during reversed polarity.

The TPS2390DGK’s high-current rating makes it suitable for powering a range of devices, including FPGAs, SCSI buffer cards, and RAID arrays. The device also offers the flexibility to provide the required level of protection and current control in almost any application.

In conclusion, the TPS2390DGK is an advanced and versatile hot-swap controller that can be used in a range of applications. It is suitable for high-current, hard-swap loads and offers a range of features that make it ideal for safely introducing power to an electronic circuit.

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