TPS23753
IEEE 802.3-2005 PoE-Schnittstelle und isolierter Wandler und Controller
TPS23753
- Optimized for Isolated Converters
- Complete PoE Interface
- Adapter ORing Support
- 12 V Adapter Support
- Programmable Frequency with Synch.
- Robust 100 V, 0.7
Hotswap MOSFET
- Small TSSOP 14 Package
- 15 kV / 8 kV System Level ESD Capable
- –40°C to 125°C Junction Temperature Range
- Design Procedure Application Note - SLVA305
- Adapter ORing Application Note - SLVA306
- APPLICATIONS
- IEEE 802.3at Compliant Powered Devices
- VoIP Telephones
- Access Points
- Security Cameras
The TPS23753 is a combined Power over Ethernet (PoE) powered device (PD) interface and current-mode dc/dc controller optimized specifically for isolated converter designs. The PoE implementation supports the IEEE 802.3at standard as a 13 W, type 1 PD. The requirements for an IEEE 802.3at type 1 device are a superset of IEEE 802.3-2008 (originally 802.3af) requirements.
The TPS23753 supports a number of input-voltage ORing options including highest voltage, external adapter preference, and PoE preference.
The PoE interface features an external detection signature pin that can also be used to disable the internal hotswap MOSFET. This allows the PoE function to be turned off. Classification can be programmed to any of the defined types with a single resistor.
The dc/dc controller features a bootstrap startup mechanism with an internal, switched current source. This provides the advantages of cycling overload fault protection without the constant power loss of a pull up resistor.
The programmable oscillator may be synchronized to a higher-frequency external timing reference.
Technische Dokumentation
Typ | Titel | Datum | ||
---|---|---|---|---|
* | Data sheet | IEEE 802.3 PoE Interface and Isolated Converter Controller datasheet (Rev. C) | 04 Jan 2010 | |
Technical article | How to reduce the size of your 13-W PoE PD solution | PDF | HTML | 25 Jun 2019 | |
Technical article | Maximizing PoE PD efficiency on a budget | PDF | HTML | 10 Nov 2015 | |
Application note | Lightning Surge Considerations for PoE Powered Devices | 30 Apr 2015 | ||
Application note | Designing with the TPS23753 Powered Device and Power Supply Controller (Rev. C) | 10 Jan 2013 | ||
Application note | Implementing a Buck Converter With the TPS23753A | 20 Sep 2010 | ||
Application note | Advanced Adapter ORing Solutions using the TPS23753 (Rev. A) | 09 Feb 2009 | ||
Application note | PoE Powered Device for 24 VAC Building Power Applications | 10 Sep 2008 | ||
Application note | Designing an EMI Compliant PoE with Isolated Flyback | 20 Mai 2008 | ||
Application note | Practical Guidelines EMI Compliant PoE | 27 Mär 2008 |
Design und Entwicklung
Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.
TPS23753AEVM-001 — 5 Vout, 7 W, IEEE 802.3-2005-konform, PD-Controller, PS-Controller-EVM für TPS23753AEVM-001
The TPS23753AEVM-001 contains evaluation and reference circuitry for the TPS23753A, which is a Class 3 PoE PD + PWM Controller. It contains input and output power connectors and an array of onboard test points for circuit evaluation. The TPS23753AEVM-002 (3.3-V output) can be configured with simple (...)
TPS23753AEVM-004 — TPS23753AEVM-004 3,3 Vout, 10 W, IEEE 802.3-2005 konform PD-Controller, PS-Controller – Evaluierungs
TPS23753AEVM-004 contains evaluation and reference circuitry for the TPS23753A, which is a Class 3 PoE PD + PWM Controller. It contains input and output power connectors and an array of onboard test points for circuit evaluation. The TPS23753AEVM-003 (5-V output) and TPS23753AEVM-005 (12-V output) (...)
PSPICE-FOR-TI — PSpice® für TI Design-und Simulationstool
Gehäuse | Pins | CAD-Symbole, Footprints und 3D-Modelle |
---|---|---|
TSSOP (PW) | 14 | Ultra Librarian |
Bestellen & Qualität
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- MSL-Rating / Spitzenrückfluss
- MTBF-/FIT-Schätzungen
- Materialinhalt
- Qualifikationszusammenfassung
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- Werksstandort
- Montagestandort
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