IC manufacturers Texas Instruments

IC manufacturers (99)

Texas Instruments TPS23730 | Demoboard PMP23287

Class 6, PoE, PD, 24-V, 2.5-A active-clamp forward converter reference design

Overview

TopologyLAN / POE
Input voltage42-57 V
Output 124 V / 2.5 A
IC revisionA

Description

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

Features

  • IEEE802.3bt 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 startup and hiccup-mode overload protection
  • Soft stop shutdown
  • Optional adapter input

Typical applications

  • Pass-through System, Video and VoIP Telephones, Access Points
  • Security Cameras
  • Redundant Power Feeds or Power Sharing

More information

Products

Order Code Data­sheet Simu­lation Downloads Status Product seriesλDom typ.
(nm)
Emitting ColorλPeak typ.
(nm)
IV typ.
(mcd)
VF typ.
(V)
Chip Technology50% typ.
(°)
CTol. CSizeQRISOCeramic TypeL
(mm)
W
(mm)
H
(mm)
Fl
(mm)
IRP,40K
(A)
ISAT,10%
(A)
ISAT,30%
(A)
RDC
(mΩ)
fres
(MHz)
MaterialISAT
(A)
LR
(µH)
VersionVINVOut1
(V (DC))
IOut1
(A)
Vaux
(V)
nZ @ 100 MHz
(Ω)
Zmax
(Ω)
Test Condition ZmaxIR 2
(mA)
RDC max.
(Ω)
TypeWinding StyleNumber of windingsL1
(µH)
IR
(mA)
RDC max.
(Ω)
VR
(V)
Data ratePortsPoEImproved CMRROperating TemperatureVT
(V (AC))
MountL
(µH)
LSmin.
(nH)
Pins (Value)
(pcs)
ColorGenderIR
(mA)
Packaging Samples
150060YS75000SPEC
25 files Active i| Production is active. Expected lifetime: >10 years.WL-SMCW SMT Mono-color Chip LED Waterclear 590 Yellow 595 120 2 AlInGaP 140 0603 1.6 0.8 0.7 -40 °C up to +85 °C SMT Tape and Reel
742792641SPEC
9 files Active i| Production is active. Expected lifetime: >10 years.WE-CBF SMT EMI Suppression Ferrite Bead 0603 1.6 0.8 0.8 0.3 SMT 300 450 250 MHz 2000 0.15 High Current 1 2000 0.15 -55 °C up to +125 °C SMT 1500
744272251SPEC
8 files Active i| Production is active. Expected lifetime: >10 years.WE-SL5 SMT Common Mode Line Filter 10 8.7 6.5 SMT 970 0.035 sectional 2 250 2000 0.035 80 1000 SMT 250 1500 4 2000
744325550SPEC

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

8 files Active i| Production is active. Expected lifetime: >10 years.WE-HCI SMT Flat Wire High Current Inductor 1050 10.5 10.2 4.7 12 4.5 12 10.3 30 Superflux 4.3 SMT 0.01133 9.5 -40 °C up to +150 °C SMT 5.5 2
74435574700SPEC

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

8 files Active i| Production is active. Expected lifetime: >10 years.WE-HCI SMT Flat Wire High Current Inductor 1890 18.3 18.2 8.9 6.4 6.25 7 33.5 7.5 MnZn 40 SMT 36.18 22.5 -40 °C up to +125 °C SMT 47 2
768775322SPEC
8 files Active i| Production is active. Expected lifetime: >10 years.WE-PD2 HV SMT Power Inductor (High Voltage) 7850 7 7.8 5 1.6 0.2 7.2 -40 °C up to +125 °C SMT 2200 150
885012006060SPEC
8 files Active i| Production is active. Expected lifetime: >10 years.WCAP-CSGP MLCCs 50 V(DC)330 pF ±5% 0603 100010 GΩ NP0 Class I 1.6 0.8 0.8 0.4 50 -55 °C up to +125 °C 7" Tape & Reel
60900213421SPEC
3 files Active i| Production is active. Expected lifetime: >10 years.WR-PHD 2.54 mm Multi-Jumper Jumper with Test Point1000 MΩ 2.44 -40 °C up to +125 °C 1 Black Jumper 3000 Bag
7490220122SPEC
9 files Active i| Production is active. Expected lifetime: >10 years.WE-LAN LAN Transformer 17.55 16 98.8 13.97 SMT 1:1 4PPoE (to 900 mA) 350 10/100/1000BASE-T 1 4PPoE (up to 1000 mA) No -40 °C up to +105 °C 1500 SMT 350 24
750320237SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.WE-PoE++ Power over Ethernet Plus Plus Transformer EFD20 21.8 29.65 11.43 1.8 Forward 36 - 57 V (DC) 24 2.5 12 2:2:1 -40 °C up to +125 °C 1500 SMT 100
Order Code Data­sheet Simu­lation
150060YS75000SPEC
742792641SPEC
744272251SPEC
744325550SPEC

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

74435574700SPEC

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

768775322SPEC
885012006060SPEC
60900213421SPEC
7490220122SPEC
750320237SPEC
Samples
Order Code Data­sheet Simu­lation Downloads Status Product seriesλDom typ.
(nm)
Emitting ColorλPeak typ.
(nm)
IV typ.
(mcd)
VF typ.
(V)
Chip Technology50% typ.
(°)
CTol. CSizeQRISOCeramic TypeL
(mm)
W
(mm)
H
(mm)
Fl
(mm)
IRP,40K
(A)
ISAT,10%
(A)
ISAT,30%
(A)
RDC
(mΩ)
fres
(MHz)
MaterialISAT
(A)
LR
(µH)
VersionVINVOut1
(V (DC))
IOut1
(A)
Vaux
(V)
nZ @ 100 MHz
(Ω)
Zmax
(Ω)
Test Condition ZmaxIR 2
(mA)
RDC max.
(Ω)
TypeWinding StyleNumber of windingsL1
(µH)
IR
(mA)
RDC max.
(Ω)
VR
(V)
Data ratePortsPoEImproved CMRROperating TemperatureVT
(V (AC))
MountL
(µH)
LSmin.
(nH)
Pins (Value)
(pcs)
ColorGenderIR
(mA)
Packaging Samples