Overview
The TPS2375DRG4 is a Power over Ethernet (PoE) powered device (PD) controller manufactured by Texas Instruments. This component is designed to facilitate the integration of PoE functionality into various electronic devices, enabling them to receive power and data over a single Ethernet cable. The TPS2375DRG4 is particularly suitable for applications such as wireless access points, VoIP phones, and security cameras. Its market positioning targets designers and engineers looking for reliable and efficient PoE solutions, with a focus on reducing design complexity and component count.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 0 to 67 | V | |
| PoE Current Limit | 405 | mA | Minimum |
| PoE Inrush Current Limit | 140 | mA | Typical |
| rDS(on) per FET | 600 | mΩ | Typical |
| PoE Standards Supported | 802.3at Type 1 (802.3af) | ||
| PD Power Level | 13 | W | |
| Switching Frequency | Programmable | ||
| Operating Temperature Range | -40 to 85 | °C |
Key Features
- Integrated IEEE 802.3af PoE interface
- Internal 100V, 0.6Ω pass MOSFET
- Fixed 140mA inrush current limit
- Primary-side DC/DC converter control
- Minimal external components required
- Current mode control for isolated and non-isolated topologies
- Programmable switching frequency
- Error amplifier for voltage output regulation
Applications
The TPS2375DRG4 is widely used in PoE-powered devices across various industries. Its primary applications include wireless access points, VoIP phones, and security cameras, where it provides a reliable and efficient power delivery solution. Additionally, it is suitable for industrial automation and IoT devices, enabling seamless integration of power and data transmission over Ethernet networks.
Q & A
What is the input voltage range of the TPS2375DRG4?
The input voltage range is 0 to 67V.
What PoE standards does the TPS2375DRG4 support?
It supports IEEE 802.3at Type 1 (802.3af).
What is the typical inrush current limit?
The typical inrush current limit is 140mA.
What is the power level supported by the PD?
The PD power level is 13W.
Is the switching frequency programmable?
Yes, the switching frequency is programmable.
What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
Does the TPS2375DRG4 require external components?
It requires minimal external components for operation.
What is the rDS(on) per FET?
The rDS(on) per FET is typically 600mΩ.
Can the TPS2375DRG4 be used in isolated topologies?
Yes, it supports both isolated and non-isolated topologies.
What are the primary applications of the TPS2375DRG4?
Its primary applications include wireless access points, VoIP phones, and security cameras.
