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TPS2390DGK
Product Overview
Category
The TPS2390DGK belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.
Use
This IC is primarily used for power distribution and protection in various electronic systems, such as industrial equipment, telecommunications devices, and automotive applications.
Characteristics
- The TPS2390DGK is designed to provide efficient power management solutions.
- It offers advanced protection features to safeguard connected devices from overvoltage, overcurrent, and short-circuit conditions.
- This IC supports hot-swap functionality, allowing for safe insertion and removal of devices without interrupting the power supply.
- It has low power consumption and high efficiency, making it suitable for energy-conscious applications.
- The TPS2390DGK operates within a wide input voltage range, enhancing its versatility.
Package and Quantity
The TPS2390DGK is available in a small form factor package known as MSOP-10. Each package contains one IC.
Specifications
- Input Voltage Range: 4.5V to 18V
- Output Voltage Range: 0V to 18V
- Maximum Continuous Current: 1.5A
- Operating Temperature Range: -40°C to +85°C
- Power Dissipation: 500mW
Pin Configuration
The TPS2390DGK features ten pins arranged as follows:
Pin 1: VCC
Pin 2: GND
Pin 3: EN
Pin 4: FLT
Pin 5: IN
Pin 6: OUT
Pin 7: PG
Pin 8: ILIM
Pin 9: SS
Pin 10: NC
Functional Features
- VCC: This pin provides the power supply voltage for the IC.
- GND: The ground pin serves as the reference point for all voltage levels.
- EN: The enable pin controls the operation of the IC. When high, the IC is enabled, and when low, it enters a low-power standby mode.
- FLT: This pin indicates the fault status of the IC, signaling overvoltage, overcurrent, or short-circuit conditions.
- IN: The input pin receives the power supply voltage to be distributed.
- OUT: The output pin delivers the regulated power supply voltage to the connected devices.
- PG: The power good pin provides an indication that the output voltage is within the acceptable range.
- ILIM: This pin sets the current limit for the protected devices.
- SS: The soft-start pin controls the rise time of the output voltage during power-up.
- NC: This pin is not connected and should be left unconnected.
Advantages
- Efficient power distribution and protection capabilities.
- Wide input voltage range allows for versatile applications.
- Hot-swap functionality enables safe device insertion and removal.
- Low power consumption and high efficiency contribute to energy savings.
- Compact package size facilitates space-constrained designs.
Disadvantages
- Limited maximum continuous current may restrict usage in high-power applications.
- Temperature range might not be suitable for extreme environments.
Working Principles
The TPS2390DGK operates by monitoring the input voltage and current to ensure they remain within the specified limits. It regulates the output voltage and protects the connected devices from potential faults such as overvoltage, overcurrent, and short circuits. The IC also incorporates features like soft-start and power good indicators to enhance system reliability.
Application Field Plans
The TPS2390DGK finds applications in various fields, including: 1. Industrial equipment: Power distribution and protection in manufacturing machinery and control systems. 2. Telecommunications: Power management for network equipment, routers, and switches. 3. Automotive: Protection and distribution of power in automotive systems, including infotainment systems and advanced driver-assistance systems (ADAS).
Alternative Models
For those seeking alternatives to the TPS2390DGK, the following models offer similar functionality: - TPS23861DGK - LTC4366IMS-2#PBF - MAX5944BESA
These alternative models can be considered based on specific requirements and compatibility with the target application.
In conclusion, the TPS2390DGK is a versatile power management IC that provides efficient power distribution and protection features. Its compact size, wide input voltage range, and advanced functionalities make it suitable for various applications in industrial, telecommunications, and automotive fields.
Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TPS2390DGK v technických řešeních
Sure! Here are 10 common questions and answers related to the application of TPS2390DGK in technical solutions:
Q: What is the TPS2390DGK? A: The TPS2390DGK is a power management IC (integrated circuit) designed for use in Power over Ethernet (PoE) applications.
Q: What is Power over Ethernet (PoE)? A: PoE is a technology that allows both power and data to be transmitted over a single Ethernet cable, simplifying the installation and powering of network devices.
Q: What are the key features of the TPS2390DGK? A: The TPS2390DGK features integrated power MOSFETs, thermal shutdown protection, overcurrent protection, and supports various PoE standards such as IEEE 802.3af and IEEE 802.3at.
Q: What is the maximum power output of the TPS2390DGK? A: The TPS2390DGK can deliver up to 25.5W of power to connected PoE devices.
Q: Can the TPS2390DGK be used in both PD (Powered Device) and PSE (Power Sourcing Equipment) applications? A: Yes, the TPS2390DGK can be used in both PD and PSE applications, making it versatile for different PoE system designs.
Q: Does the TPS2390DGK support power classification? A: Yes, the TPS2390DGK supports power classification, allowing it to detect and provide the appropriate power level to connected PoE devices.
Q: What is the input voltage range of the TPS2390DGK? A: The TPS2390DGK has an input voltage range of 36V to 57V, which is typical for PoE applications.
Q: Does the TPS2390DGK have built-in protection features? A: Yes, the TPS2390DGK includes overcurrent protection, thermal shutdown protection, and undervoltage lockout (UVLO) to ensure safe operation.
Q: Can the TPS2390DGK be used in high-temperature environments? A: Yes, the TPS2390DGK is designed to operate in a wide temperature range, typically from -40°C to 85°C, making it suitable for various industrial applications.
Q: Are there any application notes or reference designs available for the TPS2390DGK? A: Yes, Texas Instruments provides application notes and reference designs that can help users implement the TPS2390DGK in their specific technical solutions.
Please note that these answers are general and may vary depending on the specific requirements and use cases of your technical solution. It is always recommended to refer to the datasheet and documentation provided by the manufacturer for accurate information.