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TPS23881ARTQR
+StücklisteIC POE CNTRL 8 CHAN IEEE 802.3BT
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HerstellerTexas Instruments
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Herstellerteil #TPS23881ARTQR
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Auf Lager2875
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Part Status | Active |
| Type | Controller (PSE) |
| Number of Channels | 8 |
| Power - Max | 127 W |
| Internal Switch(s) | No |
| Auxiliary Sense | No |
| Standards | 802.3at (PoE+), 802.3bt |
| Voltage - Supply | 3V ~ 3.6V |
| Supply Current | 6mA |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | 56-VFQFN Exposed Pad |
| Supplier Device Package | 56-VQFN (8x8) |
| Base Product Number | TPS23881 |
Übersicht
Description
The TPS23881 features advanced power management capabilities, including per-port current monitoring, diagnostics, and support for both single-signature and dual-signature detection methods. It also offers flexible configuration options through I²C, enabling customization for various applications. With built-in safety features, such as overcurrent protection and thermal shutdown, the TPS23881 ensures reliable operation and device protection.
Overall, the TPS23881ARTQR is ideal for applications requiring robust PoE solutions with high efficiency and extensive management features.
Equivalent
Features
1. Multi-Channel Support: It can handle up to 8 ports, allowing for flexible network configurations.
2. PoE Classification: Supports Type 1 (15.4W), Type 2 (30W), Type 3 (60W), and Type 4 (100W) classifications for high-power applications.
3. Integrated Power Management: Features 30W capability per port, with efficient power management and load balancing.
4. Standards Compliance: Fully compliant with IEEE 802.3af, 802.3at, and 802.3bt standards.
5. Programmable Configuration: Offers programmability for advanced power management and fault detection.
6. Protection Features: Includes thermal, over-voltage, and short-circuit protection to ensure device reliability.
7. Communication Interface: Provides I2C interface for communication and configuration.
8. Compact Package: Available in a compact VQFN package for space-constrained designs.
These features make the TPS23881ARTQR suitable for various PoE applications in enterprise networking and IoT devices.
Pinout
Key functions include:
1. PoE Management: Supports IEEE 802.3af/at/bt standards for powering devices over Ethernet.
2. Port Control: Each of the 8 ports can be individually managed for power allocation and monitoring.
3. Power Detection and Classification: Detects and classifies powered devices (PDs) to allocate the appropriate power level.
4. Fault Protection: Integrates features for fault management to protect the system from overloads and shorts.
5. I2C Communication: Facilitates communication with a microcontroller for configuration and status monitoring.
6. Thermal Management: Includes temperature sensing for improved reliability.
This device is typically used in PoE switches and midspans to efficiently manage power for network-connected devices.
Manufacturer
Texas Instruments serves various sectors, including automotive, industrial, communications, and consumer electronics, making significant contributions to the development of technologies like power over Ethernet (PoE), which the TPS23881ARTQR is a part of. The TPS23881 is specifically designed for PoE applications, enabling efficient power delivery over Ethernet cabling. TI's commitment to research and development, along with its extensive product portfolio, positions it as a key player in the semiconductor market.