Overview
The TPS2375DR is a Power over Ethernet (PoE) Powered Device (PD) controller manufactured by Texas Instruments. This 8-pin SOIC (Small Outline Integrated Circuit) component is designed to simplify the development of IEEE 802.3af compliant PoE devices. It integrates essential features such as detection, classification, and inrush current control, making it ideal for applications requiring reliable and efficient power delivery over Ethernet. The TPS2375DR is particularly suited for VoIP phones, wireless access points, and security cameras, offering a robust solution for power management in networked devices.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 0 to 57 | V | |
| PoE Current Limit | 405 | mA | Minimum |
| Inrush Current Limit | Programmable | mA | Typical |
| rDS(on) per FET | 580 | mΩ | Typical |
| Supported PoE Standards | 802.3at Type 1 (802.3af) | ||
| PD Power Level | 13 | W | |
| Operating Temperature Range | -40 to 85 | °C | |
| Package | SOIC-8 |
Key Features
- Fully compliant with IEEE 802.3af standards
- Integrated 0.58 Ω, 100 V low-side switch
- Programmable inrush current control
- Fixed 450 mA current limit
- Open-drain power-good reporting
- Overtemperature protection
- Industrial temperature range (-40°C to 85°C)
Applications
The TPS2375DR is widely used in various applications, including VoIP phones, wireless LAN (WLAN) access points, security cameras, and internet appliances. Its ability to provide reliable power over Ethernet makes it a preferred choice for devices requiring efficient power management and connectivity. Additionally, it is suitable for point-of-sale (POS) terminals and other networked devices where space and power efficiency are critical.
Q & A
What is the input voltage range of the TPS2375DR?
The input voltage range is 0 to 57 V.
What PoE standards does the TPS2375DR support?
It supports IEEE 802.3at Type 1 (802.3af) standards.
What is the maximum current limit for PoE?
The minimum PoE current limit is 405 mA.
Is the inrush current limit programmable?
Yes, the inrush current limit is programmable.
What is the typical rDS(on) per FET?
The typical rDS(on) per FET is 580 mΩ.
What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
What package does the TPS2375DR come in?
It comes in an 8-pin SOIC package.
Does the TPS2375DR include overtemperature protection?
Yes, it includes overtemperature protection.
What is the power level for the powered device (PD)?
The PD power level is 13 W.
What are the typical applications of the TPS2375DR?
Typical applications include VoIP phones, WLAN access points, security cameras, and POS terminals.
