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Texas Instruments TPS23730 | Demoboard PMP23365
Class 6 Power over Ethernet PD with 24V 2.5A active-clamp forward converter reference design
Overview
| Topology | LAN / POE |
| Input voltage | 37-57 V |
| Output 1 | 24 V / 3 A |
| IC revision | A |
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 PDIntegrated PWM controller for flyback or active clamp forward configurationFrequency dithering for EMI reductionSoft-start control with advanced start-up and hiccup mode overload protectionSoft-stop shutdownOptional adapter input
Typical applications
- Machine vision camara
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. (°) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Version | VIN | VOut1 (V (DC)) | IOut1 (A) | Vaux (V) | n | ISAT (A) | Size | 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) | Pins (Value) | Color | Gender | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 150060YS75000 | SPEC | 25 files RAY 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 | – | – | – | – | – | 0.7 | – | – | – | – | – | -40 °C up to +85 °C | – | SMT | – | – | – | – | Tape and Reel | ||
 | 74279220181 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-MPSB EMI Multilayer Power Suppression Bead | – | – | – | – | – | – | – | – | – | – | – | – | – | SMT | – | – | – | – | – | – | 0805 | 180 | 202 | 155 MHz | 3100 | 61 | 0.9 | High Current | – | – | – | – | -55 °C up to +125 °C | – | SMT | – | – | – | – | – | ||
 | 74435574700 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCI SMT Flat Wire High Current Inductor | – | – | – | – | – | – | – | 6.4 | 6.25 | 7 | 33.5 | 7.5 | MnZn | SMT | – | – | – | – | – | – | 1890 | – | – | – | – | – | 8.9 | – | – | – | – | – | -40 °C up to +125 °C | – | SMT | 47 | 2 | – | – | – | ||
 | 60900213421 | SPEC | – | 3 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm Multi-Jumper Jumper with Test Point | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 3000 | – | – | – | – | – | – | – | -40 °C up to +125 °C | – | – | – | 1 | Black | Jumper | Bag | |
 | 7490220122 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LAN LAN Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | SMT | – | – | – | – | 1:1 | – | – | – | – | – | – | – | 98.8 | 4PPoE (to 900 mA) | 10/100/1000BASE-T | 1 | 4PPoE (up to 1000 mA) | No | -40 °C up to +105 °C | 1500 | SMT | 350 | 24 | – | – | – | ||
 | 750320237 | SPEC | – | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PoE++ Power over Ethernet Plus Plus Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | Forward | 36 - 57 V (DC) | 24 | 2.5 | 12 | 2:2:1 | 1.8 | EFD20 | – | – | – | – | – | 11.43 | – | – | – | – | – | -40 °C up to +125 °C | 1500 | SMT | 100 | – | – | – | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 150060YS75000 | SPEC | |
| 74279220181 | SPEC | |
| 74435574700 | SPEC | |
| 60900213421 | SPEC | – |
| 7490220122 | SPEC | |
| 750320237 | SPEC | – |
| Samples |
|---|
| 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 | Version | VIN | VOut1 (V (DC)) | IOut1 (A) | Vaux (V) | n | ISAT (A) | Size | 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) | Pins (Value) | Color | Gender | Packaging | Samples |
|---|
