Overview
The TPS23756PWP is a high-performance Power-over-Ethernet (PoE) powered device (PD) controller and DC-DC converter controller designed by Texas Instruments. This device is optimized for isolated converters and supports the IEEE 802.3at standard, making it suitable for high-power PoE applications. It features a wide input voltage range of 9V to 57V and is packaged in a 20-pin HTSSOP (PWP) package, which includes the industry-standard PowerPAD™ for enhanced thermal performance.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | HTSSOP (PWP) |
| Pins | 20 |
| Operating Temperature Range (°C) | -40 to 125 |
| Input Voltage Range (V) | 9.3 to 57 |
| PoE Power Level (W) | Up to 30 W |
| PoE Current Limit (mA) | 850 mA (Min) |
| PoE Inrush Limit (mA) | 140 mA (Typ) |
| PoE Standards Supported | IEEE 802.3af, IEEE 802.3at Type 1 and Type 2 |
| Switching Frequency | Programmable, Synchronizable |
| rDS(on) per FET (Typ) | 430 mΩ |
| Junction Temperature Range (°C) | -40 to 125 |
Key Features
- Powers up to 30-W input PDs
- DC-DC control optimized for isolated converters
- Supports high-efficiency topologies such as flyback and forward converters
- Complete PoE interface with IEEE 802.3at compliance
- Enhanced classification with status flag and programmable classification types
- Adapter ORing support for multiple power sources
- Programmable frequency with synchronization
- Robust 100-V, 0.5-Ω hotswap MOSFET
- Internal soft start, bootstrap start-up source, and current-mode compensation
- Thermal shutdown and overcurrent protection
Applications
The TPS23756PWP is designed for applications that require high power delivery over Ethernet cables, such as:
- IP cameras
- Wireless access points
- VoIP phones
- Industrial and automotive systems requiring PoE power delivery
Q & A
- What is the TPS23756PWP used for?
The TPS23756PWP is a Power-over-Ethernet (PoE) powered device controller and DC-DC converter controller, used for high-power PoE applications.
- What is the input voltage range of the TPS23756PWP?
The input voltage range is from 9.3V to 57V.
- What PoE standards does the TPS23756PWP support?
The device supports IEEE 802.3af and IEEE 802.3at Type 1 and Type 2 standards.
- What is the maximum power level supported by the TPS23756PWP?
The device can power up to 30-W input PDs.
- What type of package does the TPS23756PWP come in?
The device is packaged in a 20-pin HTSSOP (PWP) package.
- What are some key features of the TPS23756PWP?
Key features include DC-DC control optimized for isolated converters, complete PoE interface, adapter ORing support, and programmable frequency with synchronization.
- What protection mechanisms are built into the TPS23756PWP?
The device includes thermal shutdown, overcurrent protection, and current-limited startup.
- What is the operating temperature range of the TPS23756PWP?
The operating temperature range is from -40°C to 125°C.
- Is the TPS23756PWP RoHS compliant?
Yes, the TPS23756PWP is RoHS compliant.
- What are some typical applications for the TPS23756PWP?
Typical applications include IP cameras, wireless access points, VoIP phones, and industrial and automotive systems.
