{"product_id":"kuaiqu-kq7901-automated-test-power-supply-4-3-inch-tft-programmable-dc-source-with-list-sequence-control-remote-sensing-digital-interfaces","title":"KUAIQU KQ7901 Automated Test Power Supply, 0-80V 0-20A 400W 4.3-Inch TFT Programmable DC Source with List Sequence Control, Remote Sensing \u0026Digital Interfaces","description":"\u003cdiv style=\"margin: 20px 0; padding: 15px; border-left: 4px solid #2c3e50; background-color: #f8f9fa; border-radius: 4px;\"\u003e\n\u003ch2 style=\"margin: 0 0 10px 0; font-size: 20px; color: #2c3e50;\"\u003e\u003ca style=\"color: #2980b9; text-decoration: underline; font-weight: bold; display: inline-flex; align-items: center;\" rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0705\/8027\/3329\/files\/KQ7901-_-20260514-1-23.pdf?v=1784628426\" target=\"_blank\"\u003e \u003csvg style=\"margin-right: 8px;\" viewbox=\"0 0 16 16\" fill=\"currentColor\" height=\"20\" width=\"20\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n        \u003cpath d=\"M.5 9.9a.5.5 0 0 1 .5.5v2.5a1 1 0 0 0 1 1h12a1 1 0 0 0 1-1v-2.5a.5.5 0 0 1 1 0v2.5a2 2 0 0 1-2 2H2a2 2 0 0 1-2-2v-2.5a.5.5 0 0 1 .5-.5z\"\u003e\u003c\/path\u003e\n        \u003cpath d=\"M7.646 11.854a.5.5 0 0 0 .708 0l3-3a.5.5 0 0 0-.708-.708L8.5 10.293V1.5a.5.5 0 0 0-1 0v8.793L5.354 8.146a.5.5 0 1 0-.708.708l3 3z\"\u003e\u003c\/path\u003e\n      \u003c\/svg\u003e Download English Manual (PDF) \u003c\/a\u003e\u003c\/h2\u003e\n\u003cp style=\"margin: 0; color: #666; font-size: 14px;\"\u003eClick the link above to get the full user guide for this product.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eKUAIQU KQ7901 Automated Test Power Supply, 4.3-Inch TFT Programmable DC Source with List Sequence Control, Remote Sensing \u0026amp; Digital Interfaces\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cspan\u003eDescription\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe KUAIQU KQ7901 Automated Test Power Supply is designed for repeatable electrical verification, production line inspection, and computer-integrated test systems. Its 4.3-inch TFT color display, five-digit voltage and current readouts, and real-time power monitoring give operators a clear view of output conditions throughout the testing process.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFeaturing programmable List sequences, USB-based test data import, 100 parameter memory groups, and USB, RS232, and RS485 communication interfaces, this programmable test power source helps streamline recurring test procedures and reduce manual setup. Remote Sense compensation, OCP and OVP protection, reverse-polarity protection, and panel locking make the KQ7901 a practical solution for electronic manufacturing, functional verification, and automated electrical test stations.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003e1. Clear Digital Monitoring for Test Stations\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe five-digit voltage and current displays, together with real-time power readings, help operators monitor supply conditions during automated electrical verification. Encoder adjustment and direct numeric keypad entry make it easier to configure test parameters accurately and repeat established procedures across multiple test runs.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e2. 4.3-Inch TFT Interface for Efficient Test Operation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe full-color TFT screen presents operating parameters and curve information in an accessible interface. Adjustable brightness supports different production and laboratory environments, while Chinese and English language switching accommodates multilingual test teams.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e3. Simultaneous Parameter Curve Monitoring\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe curve interface can display two parameters simultaneously from voltage, current, and power. This visual feedback helps operators observe changes in output behavior during functional verification, troubleshooting, and electrical performance evaluation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e4. 100 Test Parameter Memory Groups\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eStore and recall up to 100 groups of settings, including voltage, current, OCP thresholds, and OVP thresholds. These presets help standardize recurring inspection tasks, shorten configuration time, and reduce the likelihood of manual parameter entry errors in production testing workflows.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e5. Programmable List Sequences for Repeatable Testing\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe KQ7901 supports local List programming and test data import from a USB drive. Predefined output sequences can be prepared for repeatable electrical checks and multi-step verification procedures, helping integrate programmable power delivery into structured testing workflows.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eList sequence timing, step count, and transition behavior should be confirmed against the instrument specifications before designing a production test procedure.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e6. Multiple Interfaces for Test System Integration\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUSB, RS232, and RS485 interfaces support computer communication and integration into compatible test setups. These interfaces make the KQ7901 suitable for computer-coordinated power delivery, test station configuration, and repeated measurement procedures when used with compatible software and communication commands.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e7. Remote Sense Compensation for More Reliable Voltage Delivery\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eRemote Sense compensation helps offset voltage drops in output leads by sensing voltage at the load connection. This feature is useful when cable resistance affects the voltage delivered to the device under test. Correct Sense wiring and compliance with the instrument's operating limits are essential.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e8. Reverse-Polarity Protection with Connection Alerts\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eBuilt-in battery reverse-polarity protection provides an alert when an incorrect battery connection is detected. This feature helps operators identify wiring errors during applicable battery-related electrical checks and reduces the risk of connection mistakes.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e9. USB-A and USB-C Auxiliary Power Outputs\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDedicated USB-A and USB-C fast-charging outputs provide convenient power for compatible accessories and USB-powered devices used around the test station. Real-time output monitoring helps users observe the auxiliary output status without relying solely on external indicators.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e10. Constant-Voltage Operation and Output Protection\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eForced constant-voltage mode is designed to maintain CV operation under the instrument's specified conditions. Overcurrent protection (OCP), overvoltage protection (OVP), and panel locking add safeguards against excessive output conditions and unintended setting changes during unattended or repetitive test workflows.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAutomated Production Line Inspection\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUse the KQ7901 as a programmable source in electronic manufacturing test stations that require consistent supply settings for recurring product checks.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eElectronic Assembly Functional Verification\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eProvide controlled DC power to electronic assemblies, interface boards, and control modules during functional inspection and troubleshooting.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTest Fixture and ATE Integration\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIntegrate the instrument into compatible automated test equipment (ATE) and computer-coordinated test fixtures through supported communication interfaces for programmable power delivery.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePower Module Verification\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSupport functional checks of voltage regulators, DC-DC converter boards, and power management assemblies as part of a broader test setup. Additional instruments may be required for load regulation, efficiency, ripple, and transient-response measurements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQuality Control and Incoming Inspection\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUse stored parameter groups to standardize repeatable electrical checks during incoming component inspection, production quality control, and final functional verification.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBattery Protection Circuit Inspection\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSupply controlled power to compatible battery management and protection electronics during functional checks. Verify voltage, current, polarity, and test requirements before connecting any battery cells.\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eKQ7901-80-20\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Value\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n(0℃~40℃)\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e0-80V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e0-20A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e400W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Regulation\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e≤0.01%+20 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e≤0.01%+5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLine Regulation\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e≤0.01%+2.5 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e≤0.01%+2.5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSetting Resolution\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e1 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e1 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReadback Resolution\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e1 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e1 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSetting Accuracy\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e≤0.01%+20mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e≤0.05%+10mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReadback Accuracy\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e≤0.01%+20mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e≤0.01%+15mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRipple\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n(20Hz~20MHz)\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e≤ 50 mVp-p ≤ 6 mVrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e≤ 40 mArms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRise Time (No Load)\u003c\/td\u003e\n\u003ctd\u003eTime\u003c\/td\u003e\n\u003ctd\u003e≤300mS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRise Time (Full Load)\u003c\/td\u003e\n\u003ctd\u003eTime\u003c\/td\u003e\n\u003ctd\u003e≤1000mS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFall Time (No Load)\u003c\/td\u003e\n\u003ctd\u003eTime\u003c\/td\u003e\n\u003ctd\u003e≤500mS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFall Time (Full Load)\u003c\/td\u003e\n\u003ctd\u003eTime\u003c\/td\u003e\n\u003ctd\u003e≤100mS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Shenzhen Kuaiqu Electronic Co., Ltd","offers":[{"title":"US Plug","offer_id":48021623996593,"sku":null,"price":899.0,"currency_code":"USD","in_stock":true},{"title":"EU Plug","offer_id":48021624029361,"sku":null,"price":899.0,"currency_code":"USD","in_stock":true},{"title":"UK Plug","offer_id":48021624062129,"sku":null,"price":899.0,"currency_code":"USD","in_stock":true},{"title":"AU Plug","offer_id":48021624094897,"sku":null,"price":899.0,"currency_code":"USD","in_stock":true},{"title":"JP Plug","offer_id":48021624127665,"sku":null,"price":899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/8027\/3329\/files\/KUAIQU_KQ7901_1.png?v=1791863086","url":"https:\/\/www.kuaiquinstrument.com\/products\/kuaiqu-kq7901-automated-test-power-supply-4-3-inch-tft-programmable-dc-source-with-list-sequence-control-remote-sensing-digital-interfaces","provider":"KUAIQU Instrument Store","version":"1.0","type":"link"}