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Texas Instruments TPS23730 | Demoboard TIDA-050045
Type 3 IEEE802.3bt-ready active clamp forward converter PoE powered device reference design
Overview
| Topology | LAN / POE |
| Input voltage | 37-57 V |
| Output 1 | 5 V / 10 A |
| IC revision | A |
Description
This TI reference design showcases a Type-3, Class 6, 51-W active clamp forward converter for powered devices (PD) through PoE. The TPS23730 PD controller provides detection and classification while also containing a PWM controller. This design takes in a 37-V to 57-V PoE input, and outputs a 5-V rail for applications such as IP network cameras and wireless access points.
Features
- IEEE802.3bt Type 3 compliant PoE PD
- Integrated PWM controller for flyback or active clamp forward congifuration
- Frequency dithering for EMI reduction
- Soft-start control with advanced startup and hiccup mode overload protection
- Automatic maintain power signature (MPS)
- Soft-stop shutdown
Typical applications
- WLAN/Wi-Fi access point
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | λDom typ.(nm) | Emitting Color | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chip Technology | 2θ50% typ.(°) | C | Tol. C | Size | Q(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC(mΩ) | fres(MHz) | Material | IR(mA) | ISAT(A) | LR(µH) | Version | VIN | VOut1(V) | IOut1(A) | Vaux(V) | n | Pins | Color | Gender | Z @ 100 MHz(Ω) | Zmax(Ω) | Test Condition Zmax | IR 2(mA) | RDC max.(Ω) | Type | Winding Style | Number of windings | L1(µH) | IR(mA) | RDC max.(Ω) | VR(V) | Data rate | Ports | PoE | Improved CMRR | Operating Temperature | VT(V (AC)) | Mount | L(µH) | LSmin.(nH) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WL-SMCW SMT Mono-color Chip LED Waterclear, 590 nm, Yellow | Downloads27 files RAY files
| Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]590 nm | Emitting ColorYellow | Peak Wavelength [typ.]595 nm | Luminous Intensity [typ.]120 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | Size0603 | – | – | – | Length1.6 mm | Width0.8 mm | Height0.7 mm | – | PackagingTape and Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +85 °C | – | MountSMT | – | – | |||
 | WE-CBF SMT EMI Suppression Ferrite Bead, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CBF SMT EMI Suppression Ferrite Bead | – | – | – | – | – | – | – | – | – | Size0603 | – | – | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.3 mm | – | – | – | – | – | – | – | Rated Current1500 mA | – | – | VersionSMT | – | – | – | – | – | – | – | – | Impedance @ 100 MHz300 Ω | Maximum Impedance450 Ω | Maximum Impedance250 MHz | Rated Current 22000 mA | DC Resistance0.15 Ω | TypeHigh Current | – | Number of windings1 | – | Rated Current2000 mA | DC Resistance [1]0.15 Ω | – | – | – | – | – | Operating Temperature -55 °C up to +125 °C | – | MountSMT | – | – | ||||
 | WE-SL5 SMT Common Mode Line Filter, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-SL5 SMT Common Mode Line Filter | – | – | – | – | – | – | – | – | – | – | – | – | – | Length10 mm | Width8.7 mm | Height6.5 mm | – | – | – | – | – | – | – | – | Rated Current2800 mA | – | – | VersionSMT | – | – | – | – | – | Pins4 | – | – | Impedance @ 100 MHz800 Ω | Maximum Impedance1200 Ω | Maximum Impedance20 MHz | – | DC Resistance0.035 Ω | – | Winding Stylesectional | Number of windings2 | Inductance [1]250 µH | Rated Current2000 mA | DC Resistance [1]0.035 Ω | Rated Voltage80 V | – | – | – | – | Operating Temperature -40 °C up to +125 °C | Insulation Test Voltage1000 V (AC) | MountSMT | Inductance250 µH | Leakage Inductance [min.]1500 nH | ||||
 | WE-HCI SMT Flat Wire High Current Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | – | – | – | – | – | – | – | – | – | Size1050 | – | – | – | Length10.5 mm | Width10.2 mm | Height4.7 mm | – | – | Performance Rated Current16.6 A | Saturation Current @ 10%5 A | Saturation Current @ 30%15 A | DC Resistance5.9 mΩ | Self Resonant Frequency54 MHz | MaterialSuperflux | – | – | Rated Inductance2.4 µH | VersionSMT | – | – | – | – | – | Pins2 | – | – | – | – | – | – | DC Resistance0.00649 Ω | – | – | Number of windings7.5 | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +150 °C | – | MountSMT | Inductance3.3 µH | – | ||||
| WE-HCI SMT Flat Wire High Current Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | – | – | – | – | – | – | – | – | – | Size1890 | – | – | – | Length18.3 mm | Width18.2 mm | Height8.9 mm | – | – | Performance Rated Current24.2 A | Saturation Current @ 10%17 A | Saturation Current @ 30%37 A | DC Resistance3.1 mΩ | Self Resonant Frequency38 MHz | MaterialWE-PERM 2 | – | – | Rated Inductance3 µH | VersionSMT | – | – | – | – | – | Pins2 | – | – | – | – | – | – | DC Resistance0.003348 Ω | – | – | Number of windings7.5 | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +150 °C | – | MountSMT | Inductance3.5 µH | – | ||||
 | WE-PD2 HV SMT Power Inductor (High Voltage), –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD2 HV SMT Power Inductor (High Voltage) | – | – | – | – | – | – | – | – | – | Size7850 | – | – | – | Length7 mm | Width7.8 mm | Height5 mm | – | – | – | – | – | – | Self Resonant Frequency1.6 MHz | – | Rated Current150 mA | Saturation Current0.2 A | – | – | – | – | – | – | – | – | – | – | – | – | – | – | DC Resistance7.2 Ω | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +125 °C | – | MountSMT | Inductance2200 µH | – | |||
| WCAP-CSGP MLCCs 50 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | Capacitance330 pF | Capacitance±5% | Size0603 | Q-Factor1000 % | Insulation Resistance10 GΩ | Ceramic TypeNP0 Class I | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage50 V | – | – | – | – | Operating Temperature -55 °C up to +125 °C | – | – | – | – | |||||
 | WR-PHD Jumper, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Jumper | – | – | – | – | – | – | – | – | – | – | – | Insulation Resistance1000 MΩ | – | Length2.44 mm | – | – | – | PackagingBag | – | – | – | – | – | – | Rated Current3000 mA | – | – | – | – | – | – | – | – | Pins1 | ColorBlack | GenderJumper | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +125 °C | – | – | – | – | |||
 | WE-LAN LAN Transformer, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LAN LAN Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | Length17.55 mm | Width16 mm | Height98.8 mm | Pad Dimension13.97 mm | – | – | – | – | – | – | – | – | – | – | VersionSMT | – | – | – | – | Turns Ratio1:1 | Pins24 | – | – | – | – | – | – | – | Type4PPoE (to 900 mA) | – | – | Inductance [1]350 µH | – | – | – | Data rate10/100/1000BASE-T | Ports1 | PoE4PPoE (up to 1000 mA) | Improved Common Mode RejectionNo | Operating Temperature -40 °C up to +105 °C | Insulation Test Voltage1500 V (AC) | MountSMT | Inductance350 µH | – | ||||
 | WE-PoE++ Power over Ethernet Plus Plus Transformer, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PoE++ Power over Ethernet Plus Plus Transformer | – | – | – | – | – | – | – | – | – | SizeEFD20 | – | – | – | Length21.8 mm | Width29.65 mm | Height11.43 mm | – | – | – | – | – | – | – | – | – | – | – | VersionForward | Input Voltage 36 - 72 V (DC) | Output Voltage 15 V | Output Current 112 A | Auxiliary Voltage13 V | Turns Ratio4:1:2.6 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +125 °C | Insulation Test Voltage1500 V (AC) | MountSMT | Inductance150 µH | – |