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Texas Instruments UCC28711 | Demoboard TIDA-00315
100/200Vac Input, 30W Isolated Power Supply Reference Design for Servo Drives
Overview
| Topology | Flyback Converter |
| Input voltage | 40-320 V |
| Output 1 | 24 V |
| Output 2 | 16 V |
| IC revision | A |
Description
This reference design provides isolated 24Vdc, 16Vdc (x3) and 6V outputs to power the control electronics, IGBT module and fan for 100Vac/200Vac input servo drives. The power supply can be either powered directly from a single or 3- phase AC mains or can be powered from the DC link voltage. This reference design uses primary-side regulation, quasi-resonant flyback topology and is rated for 30W output. The line and load regulation of the power supply is designed to be within 5%. The power supply is designed to meet the clearance, creepage and isolation test voltages as per IEC61800-5 requirements
Features
Remarks- BOM & Schematic is added EVM pdf
30W isolated main power supply for servo drivesCan operate with DC Link (450Vdc max) or AC input (200VAC)Load and line Regulation: 5%Input UV/OV, Output overload & SC protectionProtection against loss of feedbackLower system cost solution using UCC28711 through primary side regulation, eliminating feedback loopQuasi-Resonant mode controller improves EMIOperating temp range: -10ºC to 65ºCDesigned to comply with IEC 61800-5
Typical applications
- Servo Drives
- Variable Speed AC/DC Drives
- Industrial Inverters and Solar Inverters
- UPS Systems
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IR(A) | ISAT(A) | RDC max.(Ω) | fres(MHz) | Mount | ISAT,10%(A) | Version | VIN | VOut1(V) | IOut1(mA) | VOut2(V) | IOut2(mA) | VOut3(V) | IOut3(mA) | Vaux(V) | fswitch(kHz) | NPRI : NSEC : NAUX | VT(V (AC)) | Size | L(mm) | W(mm) | H(mm) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TI Radial Leaded Wire Wound Inductor, 4.7 µH, 4.2 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TI Radial Leaded Wire Wound Inductor | Inductance4.7 µH | Rated Current4.2 A | Saturation Current3.7 A | DC Resistance0.03 Ω | Self Resonant Frequency40 MHz | MountTHT | Saturation Current @ 10%3.7 A | VersionHeat Shrinking Tube | – | – | – | – | – | – | – | – | – | – | – | Size5075 | Length6 mm | Width6 mm | Height8.5 mm | ||||
 | WE-TIS Radial Leaded Wire Wound Inductor, 10 µH, 5 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TIS Radial Leaded Wire Wound Inductor | Inductance10 µH | Rated Current5 A | Saturation Current6.6 A | DC Resistance0.026 Ω | Self Resonant Frequency46 MHz | MountTHT | Saturation Current @ 10%6.6 A | – | – | – | – | – | – | – | – | – | – | – | – | Size1111 | Length11 mm | Width11 mm | Height11.5 mm | ||||
 | WE-OLTI Offline Flyback Transformers, 150 µH, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-OLTI Offline Flyback Transformers | Inductance150 µH | – | Saturation Current2.78 A | – | – | MountTHT | – | – | Input Voltage 43 - 318 V (AC) | Output Voltage 124 V | Output Current 11000 mA | Output Voltage 215 V | Output Current 265 mA | Output Voltage 315 V | Output Current 365 mA | Auxiliary Voltage15 V | Switching Frequency 75 | Turns Ratio3.75:1.5:1:1:1:1 | Insulation Test Voltage1250 V (AC) | SizeEE25/13/7 | Length27.05 mm | Width32.25 mm | Height22.86 mm | ||||
 | WE-TI HV Radial Leaded Wire Wound Inductor (High Voltage), 1000 µH, 0.5 A | Status Activei| Production is active. Expected lifetime: >10 years. | Inductance1000 µH | Rated Current0.5 A | Saturation Current0.55 A | DC Resistance2.08 Ω | Self Resonant Frequency1.8 MHz | MountTHT | Saturation Current @ 10%0.55 A | VersionStandard | – | – | – | – | – | – | – | – | – | – | – | Size8095 | Length7.8 mm | Width7.8 mm | Height9.5 mm |