Uninterruptible Power Supply
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- Derrick Watts
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1 Uninterruptible Power Supply Table of Contents AC Input Section, Diode Bridge... 3 AC Input Section, Power Factor Correction...4 AC Input Section, XY Capacitors... 5 Battery Charger, Discretes... 6 Battery Charger, Power Semiconductors... 7 Control Section, Capacitors... 8 Control Section, Discretes...9 Control Section, Measurement Multiplexing...10 DC/DC Step-up (boost or full bridge), Batt to 180 VDC to the inverter...11 House-Keeping Supply (off-line, flyback), Discretes House-Keeping Supply (off-line, flyback), Power Semiconductors...13 Inverter Section (DC/AC) AC Output, Discretes...14 Inverter Section (DC/AC) AC Output, Full bridge Inverter Section (DC/AC) AC Output, Gate Drive...16 page 1
2 Uninterruptible Power Supply VISHAY components used for a UPS can include: Power MOSFETS High-Power Modules Diodes and Rectifiers Capacitors Resistors Analog Switches Visible LEDs Optical Isolators Inductors / EMI Filters Shunt Resistors ESD Protection Devices LDOs Application Overview An Uniterruptible Power Supply, or UPS, is required when the AC power that runs sensitive equipment is not reliable or not well regulated or filtered. During power brownouts or blackouts the UPS can provide AC power to the equipment, such as computers or emergency lighting, for a period of time, usually until normal power source is restored. Most UPS circuits include some or all of the system blocks shown above. page 2
3 Uninterruptible Power Supply : AC Input Section, Diode Bridge Multi Phase VSKT570-18PbF Thyristor/Thyristor, 570 A High current capability High surge capability 3000 VRMS isolating voltag Single Phase Power Modules SUPER MAGN-A-PAK 36MB60A Glass Passivated Bridge Rectifier 600V, 35 A TH / Module D-34 GBPC3506A Glass Passivated Bridge Rectifier 600V, 35 A TH / Module GBPC page 3
4 Uninterruptible Power Supply : AC Input Section, Power Factor Correction Aluminum Electrolytic Capacitors 101/102 PHR-ST Screw-Terminal Long useful life 157 PUM-SI Snap-In Long useful life Bulk Capacitor 25 V to 450 V 220 µf to µf Life@85 C= h 200 V to 450 V 56 µf to 2200 µf Life at 85 C = 5000 h Screw Term 35x60-90x220 Snap-In 22x25 to 35x60 MKP 1848 DC-Link NEW DC-link fiml capacitor up to 400uF; up to 1200V no electrolyte, long life PFC fast diode TH / Radial 15ETX06 UltraFast Diode 600 V, 15 A, 18 nsec Trr TH / Radial TO-220AC 30EPH06 UltraFast Diode 600 V, 30 A, 35 nsec Trr TH / Radial TO-247 (2 lead) 8ETX06 UltraFast Diode 600 V, 8 A, 16 nsec Trr TH / Radial TO-220AC HFA50PA60C HexFRED Diode 600 V, 50 A, 75 nsec Trr TH / Radial TO-247 PFC MOSFET IRF32N50K Power MOSFET 500 V, 160 mohm TH / Radial TO-247 IRFPS43N50K Power MOSFET 500 V, 90 mohm TH / Radial Super TO-247 Shunt resistor WSL Power Metal Strip, for current sensing; low resistance values; tight tolerances; low TCR; R0002 to R500, 1% TCR <= ± 75ppm P70 = 0.1W - 10W page 4
5 Uninterruptible Power Supply : AC Input Section, XY Capacitors Film RFI caps BFC Film Capacitor Y2 Polypropylene 300V, 10 nf, 20% TH / Radial mm page 5
6 Uninterruptible Power Supply : Battery Charger, Discretes Power transformer Custom Dale Custom Magnetics TH Shunt Resistor WSL Tantalum Capacitors 592D 595D Power Metal Strip, for current sensing; low resistance values; tight tolerances; low TCR; R0002 to R500, 1% TCR <= ± 75ppm P70 = 0.1W - 10W Solid Tantalum Chip Capacitors; Low-Profile, Conformal Terminals, Maximum C/V, Extended Range Offerings Solid Tantalum Chip Capacitors, TANTAMOUNT, Conformal-Coated, Maximum CV, Low ESR 4-35 Volt, 1 µf µf 2.5mm down to 1.3mm Heigh 4-50Volt; 0.1 µf µf A - X Case T - R Case page 6
7 Uninterruptible Power Supply : Battery Charger, Power Semiconductors Power Switches IRFP22N60K Power MOSFET 600 V, 280 mohm TH / Radial TO-247 IRFPE50 Power MOSFET 800 V, 1.2 ohm TH / Radial TO-247 Rectifier 16CTQ100 Schottky 100 V, 16 A, dual TH / Radial TO-220AC V20100S NEW Schottky 100 V, 20 A, single TH / Radial TO-220AC page 7
8 Uninterruptible Power Supply : Control Section, Capacitors Tantalum Capacitors 592D 595D Solid Tantalum Chip Capacitors; Low Profile, Conformal Terminals, Maximum C/V, Extended Range Offerings Solid Tantalum Chip Capacitors, TANTAMOUNT, Conformal-Coated, Maximum CV, Low ESR 4-35 Volt, 1 µf µf 2.5mm down to 1.3mm Heigh 4-50Volt; 0.1 µf µf A - X Case T - R Case page 8
9 Uninterruptible Power Supply : Control Section, Discretes ESD Protection Diodes GSOT03 to GSOT36 Opto Isolator Low-Capacitance Single Line ESD Protection Diode VZT = V, C=80-800pF SOT-23 4N25 Optocoupler, Phototransistor Output Isolation Test Voltage 5300 VRMS CNY17-3 Optocoupler, Phototransistor Output Isolation Test Voltage 5300 VRMS Switching Diode -6, DIP-6-6, DIP-6 1N4148WS Small-Signal Switching Diodes VRRM = Volts, IFRM = 350 ma SOD-323 BAS16WS-V Space-Saving Packages in SOD323 VRRM = 75 Volts SOD323 BAV19WS Fast Switching VRRM = Volts, IFRM = 625 ma SOD323 page 9
10 Uninterruptible Power Supply : Control Section, Measurement Multiplexing Analog Switch DG2002 Single-Pole/Double-Throw Analog Switches Supply Voltage max = 6V, Ron = 15 Ohms DG2011 Single-Pole/Double-Throw Analog Switches Supply Voltage max = 6V, Ron = 2.7 Ohms DG2711 Single-Pole/Double-Throw Analog Switches Supply Voltage max =3.6V, Ron = 0.6 Ohms DG2717 Single-Pole/Double-Throw Analog Switches Supply Voltage max = 5V, Ron = 0.7 Ohms DG2731 NEW Dual Single-Pole/Double-Throw Analog Switches Supply Voltage max =4.3V, Ron = 0.3 Ohms DG4599 Single-Pole/Double-Throw Analog Switches Supply Voltage max = 6V, Ron = 95 Ohms SC70-6 SC89-6 SC70-6 SC89-6 DFN-10 MSOP-10 SC70-6 page 10
11 Uninterruptible Power Supply : DC/DC Step-up (boost or full bridge), Batt to 180 VDC to the inverter Boost Converter FET IRFB18N50K Power MOSFET 500 V, 290 mohm TH / Radial TO-220 SUM65N20-30 Power MOSFET 200 V, 30 mohm D2-Pak page 11
12 Uninterruptible Power Supply : House-Keeping Supply (off-line, flyback), Discretes Film RFI Capacitors BFC Film Capacitor Y2 Polypropylene 300 V, 10 nf, 20% TH / Radial mm Shunt resistor WSL Tantalum Capacitors 592D 595D Power Metal Strip, for current sensing; low resistance values; tight tolerances; low TCR; R0002 to R500, 1% TCR <= ± 75ppm P70 = 0.1W - 10W Transformer Solid Tantalum Chip Capacitors; Low-Profile, Conformal Terminals, Maximum C/V, Extended Range Offerings Solid Tantalum Chip Capacitors, TANTAMOUNT, Conformal-Coated, Maximum CV, Low ESR 4-35 Volt, 1 µf µf 2.5mm down to 1.3mm Heigh 4-50Volt; 0.1 µf µf A - X Case T - R Case Custom Dale Custom Magnetics TH TVS and ESD protection GSOT03 to GSOT36 Low-Capacitance Single Line ESD Protection Diode VZT=3.3-36V, C=80-800pF SOT-23 P4KE series Transient Voltage Suppressor Diodes Clamps at 10.5 to 772V TH / Axial DO-204AL (DO-41) page 12
13 Uninterruptible Power Supply : House-Keeping Supply (off-line, flyback), Power Semiconductors Flyback Diode 16CTQ100 Schottky 100 V, 16A, dual TH / Radial TO-220AC V20100S NEW Schottky 100 V, 20A, single TH / Radial TO-220AC Flyback Switch IRFIBE30G Power MOSFET 800 V, 3 ohm TH / Radial FullPak TO-220 IRFPE40 Power MOSFET 800 V, 2 ohm TH / Radial TO-247 IRFPE50 Power MOSFET 800 V, 1.2 ohm TH / Radial TO-247 VSKT570-18PbF Thyristor/Thyristor, 570 A High current capability High surge capability 3000 VRMS isolating voltag Power Modules SUPER MAGN-A-PAK page 13
14 Uninterruptible Power Supply : Inverter Section (DC/AC) AC Output, Discretes Aluminum Electrolytic Capacitors 101/102 PHR-ST Screw-Terminal Long useful life 157 PUM-SI Snap-In Long useful life Balancing Resistors 25 V to 450 V 220 µf to µf Life@85 C= h 200 V to 450 V 56 µf to 2200 µf Life at 85 C = 5000 h Screw Term 35x60-90x220 Snap-In 22x25 to 35x60 RW 20 x 117 series Wirewound High-Power Vitreous Resistor 3K3-3K9 80 W Film Capacitors series Snubber Capacitor 1200 V 1µF 20% TH / Radial mm Pre-Charge Resistor RSO 30x250 series Wirewound High-Power Resistor 5R1-10R 350 W Shunt Resistor WSL Power Metal Strip, for current sensing; low resistance values; tight tolerances; low TCR; R0002 to R500, 1% TCR <= ± 75ppm P70 = 0.1W - 10W page 14
15 Uninterruptible Power Supply : Inverter Section (DC/AC) AC Output, Full bridge Power Switches IRFP32N50K Power MOSFET 500 V, 160 mohm TH / Radial TO-247 IRFPS40N60K Power MOSFET 600 V, 130 mohm TH / Radial Super TO-247 page 15
16 Uninterruptible Power Supply : Inverter Section (DC/AC) AC Output, Gate Drive Gate Drivers LPE-3325 Gate Drive Transformer Transformers 6.5 x 8.2 mm Power Transformer Custom Dale Custom Magnetics TH page 16
17 page 17
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