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TPS23756PWPR
+NomenclatureIC POE CNTRL 1 CHANNEL 20HTSSOP
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FabricantTexas Instruments
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Pièce fabricant #TPS23756PWPR
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Package HTSSOP-20
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En stock4460
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90-Garantie après-vente 24h/24
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Spécifications
| Attribut | Valeur |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Type | Controller (PD), DC/DC |
| Number of Channels | 1 |
| Power - Max | 30 W |
| Internal Switch(s) | Both |
| Auxiliary Sense | No |
| Standards | 802.3at (PoE+), 802.3af (PoE) |
| Voltage - Supply | 0V ~ 57V |
| Supply Current | 920µA |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
Présentation
Description
The TPS23756PWPR features a high-efficiency DC/DC converter controller, supporting both isolated and non-isolated flyback topologies. It operates with a switching frequency up to 1 MHz, allowing for compact and efficient power supply designs. The device also includes features like thermal shutdown, under-voltage lockout, and overload protection to ensure robust performance in a variety of operating conditions.
Key applications for the TPS23756PWPR include IP phones, wireless access points, security cameras, and any Ethernet-enabled device requiring reliable power delivery over network cables. Its compact package makes it suitable for space-constrained designs, while its integrated features minimize the need for additional external components.
Equivalent
1. Linear Technology: LT4276
2. Microchip Technology: PD70224
3. Silicon Labs: Si3406x
4. Maxim Integrated: MAX5969
These alternatives offer similar functionalities, such as PoE interface controllers and integrated DC-DC converters, suitable for high-power applications. Always check specific requirements and features to ensure compatibility.
Features
1. PoE Interface: Supports IEEE 802.3af/at standards, allowing it to efficiently manage power delivery through Ethernet.
2. Integrated DC-DC Controller: Facilitates isolated flyback or forward topology power conversion, which is common in PoE applications.
3. Wide Input Voltage Range: Operates effectively across different input voltages, enhancing compatibility with various power systems.
4. High-Efficiency Operation: Designed for optimal power conversion efficiency, reducing power loss and heat generation.
5. Protection Features: Includes thermal shutdown, fault protection, and overcurrent protection to enhance device reliability and safety.
6. Adjustable Output: Provides flexibility with programmable output voltage and current, supporting diverse power requirements.
7. Compact Package: Available in a small TSSOP (PW) package, aiding in space-constrained designs.
These features make the TPS23756PWPR suitable for applications like IP cameras, wireless access points, and VoIP phones.
Pinout
Key functions include:
- IEEE 802.3at PoE PD interface supporting Type 1 and Type 2 power levels.
- Integrated power FET and current sense for improved efficiency and thermal performance.
- DC-DC controller supporting isolated and non-isolated topologies.
- Programmable frequency and flexible power settings for various applications.
- Protection features like over-temperature, under-voltage lockout, and short-circuit protection.
The TPS23756 simplifies the design of PoE devices by reducing the number of required external components and providing a highly integrated solution. For detailed pin functions and specific applications, referring to the datasheet of TPS23756 is recommended.
Manufacturer
Application
1. VoIP Phones: Provides power and data over a single Ethernet cable.
2. Wireless Access Points: Supports powering Wi-Fi routers and access points.
3. IP Cameras: Powers surveillance/security cameras via Ethernet.
4. Point-of-Sale (POS) Systems: Supplies power to retail transaction devices.
5. Industrial Automation: Supports powering of Ethernet-enabled industrial equipment.
6. Network Devices: Used in switches and hubs that require PoE input.
These applications benefit from its integrated DC-DC converter, high power delivery efficiency, and compliance with IEEE 802.3 standards.