{"product_id":"mps-305qc-0-30v-5a-variable-dc-power-supply","title":"MPS-305QC 0-30V 5A Variable DC Power Supply, High Sensitive DC Power Source for PCB Micro Short Circuit Checking and Semiconductor Component Leakage Current Test","description":"\u003ch1\u003e\u003cspan\u003eMPS-305QC Adjustable DC Power Supply for Semiconductor \u0026amp; PCB Leakage Current Testing\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan\u003ePrecision DC Power for Semiconductor Testing, PCB Leakage Current Detection \u0026amp; Electronics Troubleshooting\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eKUAIQU MPS-305QC Adjustable DC Power Supply\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a compact DC power solution designed for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003esemiconductor testing, PCB leakage current detection, board-level troubleshooting, and electronic circuit debugging\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhen testing semiconductor devices and populated PCBs, abnormal current consumption can be an important indicator of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecomponent failure, circuit leakage, short circuits, or power-path abnormalities\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. The MPS-305QC provides adjustable DC output with real-time voltage and current monitoring, helping engineers and technicians observe current changes and identify abnormal power consumption during testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe MPS-305QC integrates an adjustable DC power supply with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eUSB-A\/USB-C charging analysis, output control, protection functions, and wireless charging testing\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, making it suitable for electronics laboratories, PCB repair stations, semiconductor testing, and mobile device troubleshooting.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003ePCB Leakage Current Detection\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eSemiconductor Device Testing\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003ePCB Power Consumption Analysis\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eAbnormal Current Detection\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eShort-Circuit Troubleshooting\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eBoard-Level Fault Diagnosis\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eIC \u0026amp; Component Testing\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eSmartphone Motherboard Repair\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eUSB-A \/ USB-C Charging Analysis\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eQC \u0026amp; PD Fast-Charging Testing\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003e1. Real-Time Voltage \u0026amp; Current Monitoring for PCB Testing\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe clear \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4-digit LED display\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides real-time voltage and current readings during circuit testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBy monitoring current consumption while applying a controlled DC voltage, engineers can identify abnormal changes that may indicate:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePCB leakage current\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eComponent failure\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePartial short circuits\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAbnormal standby current\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePower rail problems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSemiconductor device abnormalities\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis makes the MPS-305QC useful for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePCB debugging, semiconductor evaluation, and board-level fault diagnosis\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e2. Adjustable DC Output for Semiconductor \u0026amp; PCB Testing\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe adjustable DC output allows technicians to apply a controlled supply voltage to the target circuit or device.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis is useful when testing:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSemiconductor components\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIC power rails\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePCB modules\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eElectronic control boards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSmartphone motherboards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEmbedded electronic circuits\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eEngineers can gradually adjust the supply conditions while observing current consumption to help locate abnormal power behavior.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e3. PCB Leakage Current \u0026amp; Abnormal Current Detection\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDuring PCB troubleshooting, an unexpected increase in current can help indicate a potential leakage path, damaged component, or short circuit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe MPS-305QC enables technicians to:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eSet the required DC voltage → power the PCB → monitor current consumption → observe abnormal changes → locate the suspected circuit or component.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis workflow is particularly useful for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eboard-level troubleshooting and repair\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eNote:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The MPS-305QC is a DC power supply for monitoring current consumption and detecting abnormal current behavior. It is not a dedicated high-precision picoammeter or insulation resistance tester.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch3\u003e\u003cspan\u003e4. OVP \u0026amp; OCP Protection System\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe built-in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eOver Voltage Protection (OVP)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eOver Current Protection (OCP)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e help protect the power supply and connected electronic circuits during testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhen abnormal voltage, excessive current, or a short-circuit condition occurs, the protection system helps reduce the risk of damage to sensitive components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis is especially valuable when working with:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSemiconductor devices\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eICs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePCB assemblies\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSmartphone motherboards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSensitive electronic components\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e5. LOCK Safety Function\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe panel lock function helps prevent accidental changes to voltage or current settings during testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis is useful for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003elong-duration PCB debugging, repeated measurements, and laboratory testing\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, where maintaining consistent test parameters is important.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e6. Independent OUTPUT Control\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe dedicated \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eOUTPUT button\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e allows technicians to turn the DC output ON\/OFF without shutting down the entire power supply.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis makes it convenient to:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eConnect or disconnect a PCB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eChange test conditions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePerform repeated tests\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompare current consumption\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTroubleshoot suspected faulty circuits\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e7. USB-A \u0026amp; USB-C Dynamic Monitoring\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe built-in USB monitoring function independently displays voltage and current information for the USB-A and USB-C interfaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis allows technicians to analyze:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eUSB charging current\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCharging voltage\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAbnormal charging behavior\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUSB power consumption\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFast-charging performance\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e8. QC \u0026amp; PD Fast-Charging Testing\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe MPS-305QC provides dedicated USB interfaces for charging analysis:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eUSB-A:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Supports QC fast-charging testing\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eUSB-C:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Supports PD fast-charging protocol testing\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIt is suitable for diagnosing charging circuits, USB interfaces, and fast-charging problems in modern electronic devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e9. Wireless Charging Test Function\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe integrated wireless charging test area allows technicians to quickly verify wireless charging performance after repair.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSimply place a compatible smartphone on the designated charging area to perform a basic wireless charging test without additional charging equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch1\u003e\u003cspan\u003eTypical PCB Leakage Current Testing Workflow\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe MPS-305QC can be integrated into a simple board-level troubleshooting workflow:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e1. Connect the PCB\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eConnect the DC output to the PCB or circuit under test.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e2. Set the Required Voltage\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eApply the appropriate DC supply voltage according to the circuit or device requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e3. Monitor Current Consumption\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eObserve the real-time current reading on the display.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e4. Identify Abnormal Current\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eUnexpectedly high current consumption may indicate a possible short circuit, leakage path, damaged component, or abnormal power rail.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e5. Troubleshoot the Circuit\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eUse the current behavior as one diagnostic reference to locate the suspected component or circuit section.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis approach is particularly useful for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePCB repair technicians, electronics engineers, semiconductor test development, and board-level troubleshooting\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch1\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch3\u003e\u003cspan\u003eSemiconductor Testing\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eProvides controlled DC power and real-time current monitoring for basic semiconductor and electronic device evaluation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePCB Leakage Current Detection\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHelps identify abnormal current consumption and potential leakage paths during PCB troubleshooting.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePCB Fault Diagnosis\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUseful for investigating short circuits, abnormal power consumption, damaged components, and faulty power rails.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIC \u0026amp; Component Testing\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eProvides adjustable DC power for testing ICs, modules, and electronic components under controlled power conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSmartphone Motherboard Repair\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSuitable for diagnosing motherboard short circuits, abnormal current consumption, power failures, and charging faults.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eElectronics R\u0026amp;D and Laboratory Testing\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA practical DC power solution for engineers and technicians performing circuit debugging, prototype testing, and electronic fault analysis.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch1\u003e\u003cspan\u003ePackage Includes\u003c\/span\u003e\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDC Power Supply × 1\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOutput Cable × 1\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInput Cable × 1\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUser Manual × 1\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWarranty Card × 1\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eQuality Check \u0026amp; Service\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe KUAIQU MPS-305QC has passed \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eCE \u0026amp; FCC certification\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAll DC power supplies and accessories are inspected before shipment to ensure proper quality and functionality.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor questions about the product or its applications, please contact us. Our customer support team will respond within \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e24 hours\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"KUAIQU Instrument Store","offers":[{"title":"Default Title","offer_id":47843535126705,"sku":null,"price":159.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/8027\/3329\/files\/PCB_2.webp?v=1786526588","url":"https:\/\/www.kuaiquinstrument.com\/products\/mps-305qc-0-30v-5a-variable-dc-power-supply","provider":"KUAIQU Instrument Store","version":"1.0","type":"link"}