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reference designTPS23730 | Demoboard PMP23365

Texas Instruments TPS23730 | Demoboard PMP23365

Class 6 Power over Ethernet PD with 24V 2.5A active-clamp forward converter reference design

Overview

TopologyLAN / POE
Input voltage37-57 V
Output 124 V / 3 A
IC revisionA

Description

This reference design implements a Power over Ethernet (PoE) power device (PD) active clamp forward converter with 24V and 2.5A output. A TPS23730 PD with integrated pulse width modulator (PWM) controller provides all the necessary functions to implement the PoE PD control and the PWM control for the active clamp forward converter. This design uses secondary side regulation (SSR) with an optocoupler feedback.

Features

  • IEEE 802.3bt Type 3 compliant PoE PD
  • Integrated PWM controller for flyback or active clamp forward configuration
  • Frequency dithering for EMI reduction
  • Soft-start control with advanced start-up and hiccup mode overload protection
  • Soft-stop shutdown
  • Optional adapter input

Typical applications

  • Machine vision camara

More information

Parts approved by Texas Instruments

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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.(°)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC(mΩ)
fres(MHz)
Material
Qty.
Version
VIN
VOut1(V (DC))
IOut1(A)
Vaux(V)
n
ISAT(A)
Size
Pins
Color
Gender
Packaging
Z @ 100 MHz(Ω)
Zmax(Ω)
Test Condition Zmax
IR(mA)
Z @ 1 GHz(Ω)
H(mm)
Type
Data rate
Ports
PoE
Improved CMRR
Operating Temperature
VT(V (RMS))
Mount
L(µH)
SamplesAvailability & Sample
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150060YS75000
SPECWL-SMCW SMT Mono-color Chip LED Waterclear, 590 nm, Yellow
Simu­lation
Availability
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Downloads27 files

RAY files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction 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 °
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Packaging Unit4000 
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Size0603 
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PackagingTape and Reel 
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Height0.7 mm
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Operating Temperature -40 °C up to +85 °C
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MountSMT 
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74279220181
SPECWE-MPSB EMI Multilayer Power Suppression Bead, –, –
Simu­lation
Availability
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-MPSB EMI Multilayer Power Suppression Bead
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Packaging Unit4000 
VersionSMT 
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Size0805 
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Impedance @ 100 MHz180 Ω
Maximum Impedance202 Ω
Maximum Impedance155 MHz 
Rated Current3100 mA
Impedance @ 1 GHz61 Ω
Height0.9 mm
TypeHigh Current 
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Operating Temperature -55 °C up to +125 °C
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MountSMT 
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74435574700
SPECWE-HCI SMT Flat Wire High Current Inductor, –, –
Simu­lation
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Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
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Performance Rated Current6.4 A
Saturation Current @ 10%6.25 A
Saturation Current @ 30%7 A
DC Resistance33.5 mΩ
Self Resonant Frequency7.5 MHz
MaterialMnZn 
Packaging Unit150 
VersionSMT 
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Size1890 
Pins2 
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Height8.9 mm
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Operating Temperature -40 °C up to +125 °C
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MountSMT 
Inductance47 µH
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60900213421
SPECWR-PHD Jumper, –, –
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Downloads3 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-PHD Jumper
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Pins1 
ColorBlack 
GenderJumper 
PackagingBag 
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Rated Current3000 mA
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Operating Temperature -40 °C up to +125 °C
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7490220122
SPECWE-LAN LAN Transformer, –, –
Simu­lation
Availability
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-LAN LAN Transformer
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Packaging Unit290 
VersionSMT 
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Turns Ratio1:1 
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Pins24 
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Height98.8 mm
Type4PPoE (to 900 mA) 
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 (RMS)
MountSMT 
Inductance350 µH
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750320237
SPECWE-PoE++ Power over Ethernet Plus Plus Transformer, –, –
Simu­lation–
Availability
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Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-PoE++ Power over Ethernet Plus Plus Transformer
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VersionForward 
Input Voltage 36 - 57 V (DC)
Output Voltage 124 V (DC)
Output Current 12.5 A
Auxiliary Voltage12 V
Turns Ratio2:2:1 
Saturation Current1.8 A
SizeEFD20 
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Height11.43 mm
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Operating Temperature -40 °C up to +125 °C
Insulation Test Voltage1500 V (RMS)
MountSMT 
Inductance100 µH
–Check availability