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High-Efficiency Online Uninterruptible Power Supply (UPS) with Real-Time Monitoring

Overview

Description

Reliable power is critical for various facilities and applications such as data centers, hospitals, industrial automation, and more. Given the importance and sensitivity of these systems, there is a pressing need for them to remain operational without interruptions.

This online uninterruptible power supply (UPS) system employs advanced power management and real-time monitoring technology to ensure continuous, high-quality power delivery. It outputs AC through an inverter circuit during normal operation and uses battery power to maintain AC output during outages, thereby mitigating power interruptions and protecting sensitive electronic equipment from disturbances.

System Benefits​:

  • Single MCU controller for primary power conversion offers a high-performance, streamlined design to boost cost efficiency and reduce time to market.
  • Bluetooth® Low Energy (LE) enables real-time monitoring and control of the UPS system for effective management and improved efficiency.

Comparison

Applications

Block Diagram

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4:3 ratioInverterInverterInverterBuckBuckBuckConnector Line.1271Connector Line.1272IGBT CouplerIGBT CouplerIGBT CouplerIGBT CouplerIGBT CouplerIGBT CouplerPFC & BoostPFC & BoostPFC & BoostSheet.462Sheet.1Sheet.2Sheet.3Sheet.4JP213JP213JP213AC Power SourceAlternating CurrentSheet.9Sheet.10Sheet.11Diode.316Sheet.13Sheet.14Sheet.15Sheet.167Sheet.169Sheet.170Sheet.171Sheet.172Sheet.173Sheet.175Sheet.176Sheet.179Sheet.182Connector 1.165Buck RegulatorBuck RegulatorBuck RegulatorLDOLDOLDOBluetooth Low Energy ModuleBluetooth Low Energy ModuleBluetooth Low Energy ModuleRS-232RS-232RS-232Sheet.226Synchronous RectifierSynchronous RectifierSynchronous RectifierIsolated AC/DCIsolated AC/DCIsolated AC/DCTransformerTransformerTransformerInductor Coreless (Air conductor).128Sheet.154Sheet.155Sheet.156Sheet.157Sheet.158Sheet.159Sheet.160Sheet.161Sheet.162Sheet.232Connector 1.165.233Inductor Coreless (Air conductor).16Sheet.17Sheet.18Sheet.19Sheet.20Sheet.21Sheet.22Sheet.23Sheet.24Sheet.25Resistor - Fixed.113Sheet.201Sheet.202DiodeSheet.204Sheet.205Sheet.206Connector 1.165.208Connector 1.165.209Connector 1.165.210Sheet.220Sheet.223Connector 1.165.224Sheet.300Sheet.301Sheet.302Connector 1.165.303Sheet.304Sheet.305AntennaSheet.307Sheet.308Sheet.309Sheet.310Sheet.311Sheet.3125V<100mA5V<100mA5V<100mA3V<20mA3V<20mA3V<20mABluetoothPC/ServerPC/ServerPC/ServerSheet.317 PC/ServerPC/ServerPC/ServerSheet.319Sheet.320Sheet.321Sheet.322Sheet.323Sheet.324Connector 1.165.325Connector 1.165.326Sheet.327Sheet.333Sheet.334Sheet.335Sheet.336Sheet.337Sheet.342Sheet.343Sheet.344Sheet.289Sheet.292Sheet.294Inductor Coreless (Air conductor)Sheet.352Sheet.353Sheet.354Sheet.355Sheet.356Sheet.357Sheet.358Sheet.359Sheet.360Capacitor Non-polarizedSheet.362Sheet.363Sheet.364Sheet.365Resistor - FixedResistor - Fixed.114Sheet.393Connector 1.165.394Connector 1.165.395Sheet.396Connector 1.215Sheet.398Sheet.399Connector 1.165.400Sheet.402Sheet.404Sheet.408Sheet.409Sheet.429Connector 1.165.430Battery.27Sheet.432Sheet.433Sheet.434Connector 1.165.435DC 24VDC 24VDC 24VSheet.438Sheet.439 2 222Sheet.442Sheet.443Sheet.445Sheet.446Sheet.447Sheet.448Sheet.449Sheet.450Sheet.451Sheet.452 220V220V220VSheet.455Sheet.456Sheet.458Connector 1.459BatteryBatteryBatterySheet.463Sheet.464Sheet.465Sheet.466Sheet.467Inductor Iron CoreLine.841Inductor Air Core.212Sheet.471Sheet.472Sheet.473Sheet.474Sheet.475Sheet.476Sheet.477Sheet.478Sheet.479Line.29xNxNxN20V <2A20V <2A20V <2AIGBT Coupler PowerIGBT Coupler PowerIGBT Coupler PowerSWSWSWSheet.486Sheet.487Sheet.488Sheet.489Sheet.490Sheet.493Connector 1.165.497 IGBT CouplerComponent block.748IGBT Coupler x4IGBT CouplerIGBT CouplerSheet.627Sheet.628Sheet.629AC Power Source.633Alternating CurrentSheet.635Sheet.636220V220V220VSheet.638RelayRelayRelaySheet.642Sheet.643Sheet.644Sheet.646Sheet.647Sheet.648Sheet.649Sheet.650 4444Sheet.653Sheet.654InverterInverterInverter ONONON ONONONModeModeModePFC & BoostPFC & BoostPFC & BoostBuck (Battery Charge)Buck (Battery Charge)Buck (Battery Charge)Boost (Battery Discharge)Boost (Battery Discharge)Boost (Battery Discharge)Normal (AC Input)Normal (AC Input)Normal (AC Input)Blackout (Battery)Blackout (Battery)Blackout (Battery)ONONON ONONON OFFOFFOFFOFFOFFOFF OFFOFFOFF ONONONSheet.672AC ModeAC ModeAC ModeBattery ModeBattery ModeBattery ModeSheet.684Sheet.686Sheet.687Sheet.688Sheet.689Sheet.690MCUMCUMCUMCU UARTUARTUART UARTUARTUART UARTUARTUART GPIOGPIOGPIOADCADCADC PWMPWMPWM PWMPWMPWM PWMPWMPWMPWMPWMPWMMicrocontrollerMCUMCUMCUUSBUSBUSBUARTUARTUARTConnector LineBoostBoostBoostIGBT CouplerIGBT CouplerIGBT CouplerInductor Coreless (Air conductor).1160Sheet.1161Sheet.1162Sheet.1163Sheet.1164Sheet.1165Sheet.1166Sheet.1167Sheet.1168Sheet.1169Resistor - Fixed.1175Sheet.1181Diode.1182Sheet.1183Sheet.1184Sheet.1185Connector 1.1186Connector 1.1187Connector 1.1188Sheet.1196Connector Line.1211OP AmpOp AmpOp AmpBypass for UPS FaultsBypass for UPS FaultsBypass for UPS FaultsSheet.286Connector Line.1278Sheet.222 IGBT CouplerIGBT CouplerIGBT CouplerSheet.1286GaN FETGaN FETGaNFETSheet.775Sheet.760Sheet.761Sheet.762Sheet.763Sheet.764Sheet.765Darlington.577Sheet.767Darlington.581Sheet.771Sheet.772Sheet.773Sheet.774Sheet.1287GaN FETGaN FETGaNFETSheet.1197Sheet.1198Sheet.1199Sheet.1200Sheet.1201Sheet.1202Sheet.1203Darlington.577Sheet.1205Darlington.581Sheet.1207Sheet.1208Sheet.1209Sheet.1210Sheet.1178Capacitor Non-polarized .1170Sheet.1171Sheet.1172Sheet.1173Sheet.1174Resistor.114Connector 1.1179Connector 1.1180Sheet.1189Connector 1.1190Connector 1.1191Sheet.1192Connector 1.1193Sheet.1194Connector 1.1195Sheet.1177Capacitor Non-polarized .108Sheet.109Sheet.110Sheet.111Sheet.112Resistor - Fixed.114Sheet.100Connector 1.163Connector 1.165.164Sheet.211Connector 1.165.212Connector 1.165.213Sheet.214Connector 1.165.215Sheet.216Connector 1.165.218Connector Line.1279Connector Line.1280Resistor - Fixed.516Sheet.602Sheet.609Connector 1.624Connector 1.625Sheet.626AC Power Source.616Alternating CurrentSheet.618Sheet.623AC 200VAC 200VAC200VConnector 1.536Connector 1.611Sheet.613Sheet.619Connector 1.620Sheet.622Sheet.614Connector 1.615Sheet.621Sheet.1292 GaN FETGaN FETGaNFETConnector LineSheet.521Darlington.131Sheet.523Sheet.524Sheet.526Sheet.527Sheet.528Sheet.573Sheet.574Darlington.575Sheet.576Sheet.577Sheet.579Sheet.580Sheet.581Sheet.583Connector 1.584Connector 1.585Connector 1.531Connector 1.165.532Sheet.530Connector Line.572Sheet.610Sheet.520Sheet.612Sheet.106Sheet.1294GaN FETGaN FETGaNFETSheet.371Sheet.372Darlington.131Sheet.374Sheet.375Sheet.377Sheet.378Sheet.379Sheet.381Connector 1.382Connector 1.383Sheet.380Connector Line.370Sheet.376Sheet.1296 GaN FETGaN FETGaNFETSheet.414Sheet.415Darlington.131Sheet.417Sheet.418Sheet.420Sheet.421Sheet.422Sheet.424Connector 1.425Connector 1.426Connector Line.413Sheet.423Sheet.419Sheet.534Sheet.1297 GaN FETGaN FETGaNFETSheet.589Sheet.590Darlington.591Sheet.592Sheet.593Sheet.595Sheet.596Sheet.597Sheet.599Connector 1.600Connector 1.601Sheet.548Sheet.549Darlington.131Sheet.551Sheet.552Sheet.554Sheet.555Sheet.556Connector 1.559Connector 1.560Sheet.558Connector Line.588Connector Line.547Sheet.553Sheet.594Sheet.578Sheet.525
Exiting Interactive Block Diagram

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