Overview
The TPS2372-4RGWT, produced by Texas Instruments, is a high-power Power over Ethernet (PoE) powered device (PD) interface. It is designed to comply with the IEEE 802.3bt (draft) standard, supporting both Type 3 and Type 4 PoE applications. This component is particularly suited for high-power applications, such as those requiring up to 90 watts of power. The TPS2372-4RGWT features a robust 100 V hotswap MOSFET, automatic Maintain Power Signature (MPS), and autoclass operation, making it versatile for various power-intensive devices.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | VQFN (RGW) | - |
| Pins | 20 | - |
| Operating Temperature Range | -40 to 125 | °C |
| Power Levels | Up to 90 W (Type 4), Up to 60 W (Type 3) | W |
| Internal Switch Resistance | 0.1 Ω (TPS2372-4), 0.3 Ω (TPS2372-3) | Ω |
| Current Limit | 2.2 A (TPS2372-4), 1.85 A (TPS2372-3) | A |
| Junction Temperature Range | -40 to 125 | °C |
| Package Size | 5.00 mm × 5.00 mm | mm |
Key Features
- IEEE 802.3bt (draft) PD solution for Type 3 or Type 4 PoE
- Supports power levels up to 90 W for Type 4 and 60 W for Type 3
- Robust 100 V hotswap MOSFET
- Automatic Maintain Power Signature (MPS) and auto-adjust MPS for Type 1-2 or 3-4 PSE
- Allocated power indicator outputs and PG output with inrush completion delay
- Compliant to PSE inrush and supports ultra-low power standby modes
- Supports autoclass operation and PoE++ PSE
- Operates over a junction temperature range of -40°C to 125°C
Applications
- IEEE 802.3bt (draft) compliant devices
- Lighting systems
- Power modules
- Dual signature PD/Forced UPOE
- 4PPoE and pass-through systems
- Security cameras
- Multiband access points and pico-base stations
Q & A
- What is the TPS2372-4RGWT used for?
The TPS2372-4RGWT is used as a high-power PoE PD interface, compliant with IEEE 802.3bt (draft) standards, supporting Type 3 and Type 4 PoE applications.
- What are the power levels supported by the TPS2372-4RGWT?
The TPS2372-4RGWT supports power levels up to 90 W for Type 4 and 60 W for Type 3 PoE applications.
- What is the internal switch resistance of the TPS2372-4RGWT?
The internal switch resistance is 0.1 Ω for the TPS2372-4 and 0.3 Ω for the TPS2372-3.
- What is the current limit of the TPS2372-4RGWT?
The current limit is 2.2 A for the TPS2372-4 and 1.85 A for the TPS2372-3.
- What is the operating temperature range of the TPS2372-4RGWT?
The operating temperature range is -40°C to 125°C.
- What package type and size does the TPS2372-4RGWT come in?
The TPS2372-4RGWT comes in a 20-lead VQFN (RGW) package with a size of 5.00 mm × 5.00 mm.
- Does the TPS2372-4RGWT support autoclass operation?
- What is the Automatic Maintain Power Signature (MPS) feature in the TPS2372-4RGWT?
The Automatic MPS function enables applications requiring very low power standby modes by generating the necessary pulsed current to maintain the PSE power.
- What are some common applications of the TPS2372-4RGWT?
- Is the TPS2372-4RGWT compliant with PSE inrush requirements?
