TPS2393APW

Product Overview

Category

The TPS2393APW belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in power sourcing equipment (PSE) systems, such as Power over Ethernet (PoE) switches and midspans. It enables efficient power management and control in these devices.

Characteristics

• The TPS2393APW offers advanced power management features, including current limiting, thermal shutdown, and fault protection.
• It supports both IEEE 802.3af and IEEE 802.3at standards for PoE applications.
• This IC provides a high level of integration, reducing the need for external components and simplifying system design.
• It operates over a wide temperature range, making it suitable for various environmental conditions.

Package and Quantity

The TPS2393APW is available in a small outline package (SOP) with 20 pins. It is typically sold in reels or tubes, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 36V to 57V
• Output Voltage Range: 2.7V to 14V
• Maximum Continuous Current: 600mA
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOP-20

Pin Configuration

The TPS2393APW has 20 pins arranged as follows:

1. VDD
2. GND
3. EN
4. FLT
5. ILIM
6. VOUT
7. VOUT
8. VOUT
9. VOUT
10. VOUT
11. VOUT
12. VOUT
13. VOUT
14. VOUT
15. VOUT
16. VOUT
17. VOUT
18. VOUT
19. VOUT
20. VOUT

Functional Features

• Current Limiting: The TPS2393APW incorporates a current limit feature to protect the system from excessive current draw.
• Thermal Shutdown: In case of overheating, the IC automatically shuts down to prevent damage.
• Fault Protection: It provides protection against various fault conditions, such as short circuits and overvoltage events.
• Power Management: This IC efficiently manages power delivery in PoE systems, ensuring reliable operation.

Advantages and Disadvantages

Advantages

• High level of integration reduces external component count and simplifies design.
• Supports both IEEE 802.3af and IEEE 802.3at standards, providing compatibility with a wide range of devices.
• Advanced protection features enhance system reliability.
• Wide operating temperature range allows for use in various environments.

Disadvantages

• Limited maximum continuous current may not be suitable for high-power applications.
• Availability in SOP package only may restrict its use in certain form factors.

Working Principles

The TPS2393APW operates by receiving power from an external source and regulating it to provide a stable output voltage. It monitors the current flow and temperature to ensure safe operation. The IC also detects fault conditions and takes appropriate actions to protect the system.

Application Field Plans

The TPS2393APW is primarily used in Power over Ethernet (PoE) systems, including PoE switches and midspans. It finds application in various industries, such as telecommunications, security systems, and industrial automation. Its ability to efficiently manage power delivery makes it suitable for powering network devices, IP cameras, wireless access points, and other PoE-enabled equipment.

Alternative Models

1. TPS23861PWR: This IC offers similar power management features and supports IEEE 802.3bt standard for higher power applications.
2. TPS23753PWPR: It provides advanced power management capabilities and supports IEEE 802.3at standard.
3. TPS23881PWR: This IC offers enhanced protection features and supports both IEEE 802.3af and IEEE 802.3at standards.

These alternative models provide similar functionality to the TPS2393APW and can be considered based on specific application requirements.

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