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TPS23881RTQR
+StücklisteIC POE CNTRL 8 CHAN IEEE 802.3BT
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HerstellerTexas Instruments
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Herstellerteil #TPS23881RTQR
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Paket VQFN (RTQ)-56
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Auf Lager6365
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package | Tape & Reel (TR) |
| ProductStatus | Active |
| Type | Controller (PSE) |
| NumberofChannels | 8 |
| Power-Max | 127 W |
| InternalSwitch(s) | No |
| AuxiliarySense | No |
| Standards | 802.3at (PoE+), 802.3bt |
| Voltage-Supply | 3V ~ 3.6V |
| Current-Supply | 6mA |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 56-VFQFN Exposed Pad |
Übersicht
Description
This device offers features like auto mode for plug-and-play operation, semi-auto mode for customized settings, and manual mode for full control. It supports up to 90W per port, optimizing power delivery to high-power devices. The TPS23881RTQR includes protections such as over-temperature, over-current, and short-circuit protection, ensuring reliable operation.
The controller can be integrated into systems with minimal external components, reducing design complexity. It also supports I²C and UART interfaces for communication and configuration, providing flexibility in system design. The TPS23881RTQR is available in a 56-pin VQFN package, which offers a compact form factor suitable for space-constrained applications.
Equivalent
1. LTC4291/LTC4292 from Analog Devices
2. UPoE controllers from Microsemi (now part of Microchip), such as PD69208M
3. Si3452 from Silicon Labs
These alternatives can differ in features, compatibility, and performance, so it's crucial to review their specifications to ensure they meet your project's requirements.
Features
Key features include classification and detection of PDs, robust protection mechanisms such as current limiting and thermal shutdown, and power management capabilities like port priority and power budget management. It also offers I²C/SMBus interface for communication and control, enabling detailed monitoring and configuration. The TPS23881RTQR supports automatic mode to reduce host processor involvement, enhancing system efficiency. Its compact package and high port density make it ideal for scalable PoE systems in networking, telecommunications, and IoT applications. The controller ensures efficient and safe power delivery, optimizing network infrastructure performance.
Pinout
Key functions of the TPS23881RTQR include:
1. Power Management: Supports up to 8 PoE ports and delivers power up to 90W per port.
2. Multi-Port Operation: Can manage multiple ports simultaneously, optimizing power distribution.
3. Detection and Classification: Implements PoE detection and classification mechanisms to ensure proper device compatibility.
4. Control Interface: Features an I2C interface for configuration and monitoring, allowing for flexible system integration.
5. Protection Features: Includes over-current, over-voltage, and thermal protection to ensure reliability and safety.
The TPS23881RTQR is suitable for applications in network switches, routers, and other networking equipment that require efficient PoE power delivery and management.