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TPS23757PWR
+StücklisteIC POE CNTRL 1 CHANNEL 20TSSOP
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HerstellerTexas Instruments
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Herstellerteil #TPS23757PWR
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Paket 20-TSSOP
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Auf Lager1772
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
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Spezifikationen
| Attribut | Wert |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Controller (PD), DC/DC |
| NumberofChannels | 1 |
| Power-Max | 13 W |
| InternalSwitch(s) | Both |
| AuxiliarySense | No |
| Standards | 802.3at (PoE+), 802.3af (PoE) |
| Voltage-Supply | 0V ~ 57V |
| Current-Supply | 920µA |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 20-TSSOP (0.173, 4.40mm Width) |
Übersicht
Description
Key features include support for IEEE 802.3af/at standards, which ensure compatibility with standard PoE systems. It integrates a PD controller with an internal switch, signature resistor detection, and classification, facilitating power negotiation with a Power Sourcing Equipment (PSE). The device operates efficiently with a wide input voltage range, typically from 12.95V to 57V.
The TPS23757PWR is suitable for use in IP phones, wireless access points, network cameras, and other PoE-enabled devices. With integrated features like thermal protection and programmable start-up time, it provides robust performance in demanding conditions. Its compact footprint enables streamlined design for space-constrained applications.
Equivalent
1. Microchip's PD70224ILQ - PoE Powered Device Controller
2. Silicon Labs' Si3404-B - PoE PD and DC-DC Converter
3. Analog Devices' LT4275 - PoE Interface Controller
These alternatives offer similar PoE functionality, though specific electrical characteristics and features should be compared based on your design requirements.
Features
1. IEEE 802.3at Compliance: Supports PoE+ applications, suitable for delivering up to 25.5W to powered devices.
2. Integrated MOSFET: Features an integrated power MOSFET for efficient power conversion, reducing external component count.
3. Flexible Configuration: Offers flexible design options with programmable frequency and soft-start capabilities to accommodate various applications.
4. DC/DC Controller: Includes a PWM controller that supports multiple topologies such as flyback, forward, and active clamp forward.
5. Enhanced Protection: Provides overcurrent, thermal, and short-circuit protection to ensure device reliability and longevity.
6. High Efficiency: Designed for high-efficiency power conversion to minimize power losses and improve thermal performance.
7. Compact Package: Offered in a compact TSSOP package, optimizing board space for dense designs.
These features make it ideal for a range of PoE applications, including IP cameras, VoIP phones, and wireless access points.
Pinout
1. VDD: Power supply input.
2. RTN: Return path for power.
3. VSS: Ground reference.
4. PWR: Power good indication.
5. PVCC: Power VCC for internal use.
6. VC: Compensation pin for control loop.
7. CS: Current sense input.
8. GATE: Gate drive for external FET.
9. VCC: Bias supply input.
10. APD: Auxiliary power detect.
11. DEN: Detection enable.
12. CLS: Classification resistor connection.
13. SPARE: Reserved for future use or optional functionality.
14. NC: No connection; might be used for specific design considerations.
15. NC: Similar to the above, no connection.
16. VSS: Ground reference (repeated for stability).
These pins collectively enable the TPS23757PWR to manage PoE power delivery, control power conversion, and ensure efficient power management for Ethernet-powered applications.