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Your location: Home > Related Articles > IT8500G+ automatic electronic load test function, a good helper for cost reduction and efficiency increase

IT8500G+ automatic electronic load test function, a good helper for cost reduction and efficiency increase

Author:QINSUN Released in:2023-04 Click:98

In the product development process and before delivery, product testing is a very important link, the efficiency of testing is high or low. It will affect the R&D progress and delivery cycle. Therefore, the importance of improving the efficiency of product testing goes without saying.

For example, in the test of DC power supply, the traditional test is usually through manual operation and manual The test process is to manually set the parameters of the DC electronic load for load testing. Record the output parameters of the power supply under different load conditions and then the operator judges whether the power supply is qualified according to the standard.


However, there are some drawbacks to the traditional way of power testing. First, it takes a lot of time and manpower because it has to manually set the test results every time and analysis; second, the test results may be biased due to the low skill of the operator and some subjective factors; finally, in the product When the number and test items are relatively large, traditional manual testing will prove to be more inefficient.


IT8500G+ programmable DC electronic load

IT8500G+ High Performance Programmable DC Electronic LoadRequirements for both desktop and system integration dual-use, designed for mobile power, industrial power modules, power electronic devices and fast It is designed and developed on the basis of research and development of charging adapters and aging tests This series products hasnot only traditional CC/CV/CR/CP charging modes, but also offers composite charging modes such as CR+CC/CV+CC/CR-LED widely. It is suitable for DUTs with different characteristics, and has excellent performance in limiting current overage and dynamic loading.


IT8500G+ series DC electronic load has autotestEdit mode. Autotest can program for a device, test it and show whether the test passed or failed, which is very useful for users. Auto test operation only Contains four steps: edit, save, recall and execute.


The test is simple and the keys can be locked (press (Shift)+(Lock)) to prevent the normal test from being affected by accidental keyboard touches. The electronic load automatically detects the change of input voltage to judge whether to start the test, turn on the automatic test start function (AUTO-RUN), when the under testobject is connected, the load detects that the input terminal voltage rises from 0 to the set on-off After the initial voltage (TRIG-VOLT), the automatic test starts running without using an external trigger source or manually triggering.



An automated test file can contain up to 50 steps , Set the loading mode (CC, CV, CW, CR) of each step and whether a short circuit should occur, then set the measurement type ( voltage, current, power) and set the upper and lower limits of the assessment value, and then set the delay time, that is, when How long to enter the setting before reading the test value, which is used to wait until the output is stabilized forrdat will be tested. The delay range is 0.1 ~ 30 seconds, and finally save it, and an automatic test will be edited. Compared with IT8500 and IT8500+ series DC Electronic load, as an upgraded IT8500G+, you can edit more steps and add new fast charging protocol to choose. The realization of the function is simpler and easier to understand.

More than that, relying on the unique Multi-channel mode and built-in ripple measurement function, without extra oscilloscope and too many communication interface cards, it can easily realize the program control of hundreds of channels, reduce the testing cost and improve the testing efficiency for improve the business.


Ifin the traditional ATE integration scheme, each electronic load uses the Ethernet communication interface for independent communication, multiple switches must be configured in the system, which not only increases the cost of equipment, but also increases the failure probability of the system. The IT8500G+ series has a professional multi-channel mode, which can cascade up to 16 devices.yle=\"margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;\">ATE system only needs to communicate with one interface to control 16 electronic loads. Through commands, 16 cascaded IT85G+ loads can be controlled synchronously, and the operating data can also be transmitted or collected for the channels to achieve asynchronous operation effects, and the configuration and use are very flexible.



In addition, IT8500G+ series electronic payloads also provide QC2.0, QC3.0, PE+, PE2.0+, USB PD2.0, USB PD3.0, FCP, SCPeight communication protocols for fast charging; OPP/OCP test function, suitable for power module protection function test ; battery discharge mode, provides three shutdown conditions for time, voltage and capacity; The test resolution can be up to 0.1mV/0.1mAetc.

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