TPS23754PWP-1

Product Overview

Category

The TPS23754PWP-1 belongs to the category of power management integrated circuits (PMICs).

Use

This PMIC is primarily used for power over Ethernet (PoE) applications.

Characteristics

• The TPS23754PWP-1 is a highly efficient and compact device.
• It integrates various functions required for PoE applications, such as power sourcing equipment (PSE) controller, DC-DC converter, and protection features.
• This PMIC supports both IEEE 802.3af and IEEE 802.3at standards for PoE.

Package

The TPS23754PWP-1 comes in a small outline package (SOP) with a thermal pad for enhanced heat dissipation.

Essence

The essence of the TPS23754PWP-1 lies in its ability to provide power and data transmission over a single Ethernet cable, simplifying installation and reducing costs.

Packaging/Quantity

The TPS23754PWP-1 is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input voltage range: 36V to 57V
• Output voltage range: 3.3V to 24V
• Maximum output current: 600mA
• Operating temperature range: -40°C to 85°C
• Power dissipation: 2.5W

Detailed Pin Configuration

The TPS23754PWP-1 has a total of 20 pins. Here is the detailed pin configuration:

1. VDD: Power supply input
2. GND: Ground reference
3. VSS: Negative supply voltage
4. VCC: Positive supply voltage
5. PWRGD: Power good indicator
6. EN: Enable control input
7. ISET: Current limit setting
8. VREF: Reference voltage output
9. FB: Feedback input for DC-DC converter
10. VIN: Input voltage for DC-DC converter
11. SW: Switch node for DC-DC converter
12. PGND: Ground reference for DC-DC converter
13. VOUT: Output voltage for DC-DC converter
14. ILIM: Current limit indicator
15. VDET: Detection voltage output
16. DET: Detection status output
17. MD0: Mode selection bit 0
18. MD1: Mode selection bit 1
19. MD2: Mode selection bit 2
20. NC: No connection

Functional Features

The TPS23754PWP-1 offers the following functional features:

• Integrated PSE controller for PoE applications
• Efficient DC-DC converter with adjustable output voltage
• Comprehensive protection features, including overcurrent and overtemperature protection
• Power good indicator for system monitoring
• Enable control input for power management

Advantages and Disadvantages

Advantages

• Compact and highly integrated design
• Supports both IEEE 802.3af and IEEE 802.3at standards
• Provides efficient power delivery over Ethernet cables
• Offers comprehensive protection features for reliable operation

Disadvantages

• Limited maximum output current of 600mA
• Operating temperature range may not be suitable for extreme environments

Working Principles

The TPS23754PWP-1 operates by receiving power and data signals from an Ethernet cable. It incorporates a PSE controller that extracts power from the cable and regulates it using a DC-DC converter. The output voltage can be adjusted according to the application requirements. The device also includes various protection mechanisms to ensure safe and reliable operation.

Detailed Application Field Plans

The TPS23754PWP-1 finds applications in various fields, including:

1. IP cameras and surveillance systems
2. Wireless access points
3. VoIP phones
4. Industrial automation equipment
5. Building management systems

Detailed and Complete Alternative Models

Here are some alternative models that offer similar functionality to the TPS23754PWP-1:

1. TPS23753PWP-1
2. TPS23861PWP-1
3. LTC4267CGN
4. MAX5942BESA
5. SI3406DV-T1-E3

These alternative models can be considered based on specific application requirements and availability.

In conclusion, the TPS23754PWP-1 is a highly efficient and compact PMIC designed for PoE applications. It offers integrated PSE control, adjustable DC-DC conversion, and comprehensive protection features. While it has limitations in terms of maximum output current and operating temperature range, it provides reliable power delivery over Ethernet cables. The device finds applications in various fields, and there are alternative models available for consideration.