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PMST Power Device Analyzer Static Test System For MOSFET BJT IGBT And SiC GaN Semiconductors

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The power device static parameter test system (PMST) integrates a variety of measurement and analysis functions,which can accurately measure the static parameters of power devices (MOSFET, BJT, IGBT, etc.),the voltage can be as high as 3.5kV,and the current can be as high as 6000A.The system can measure the static parameters of power devices of different package types,and has the characteristics of high voltage and high current characteristics,uΩ-level accurate measurement,and pA-level current measurement capability.Supports measurement of junction capacitance of power devices in high-voltage mode, such as input capacitance, output capacitance, reverse transfer capacitance, etc.


Product Feature

█   Maximum voltage: 3500V,can be expanded to 10kV.

█   Large current up to 6000A(multiple modules in parallel).

█   nA leakage current, mu Ω conducting resistance.

█   Precision measurement accuracy 0.1%.

█   Modular configuration for adding or upgrading measuring units.

█   Test is of high efficiency, automatic switching and one-key test.

█   Graphical PC operation interface, the user can carry out the test after simple configuration.

█   Wide temperature range, support normal temperature and high temperature test,temperature control module is optional.

and it can also be controlled in conjunction with a third-party thermostat.

█   Test data can be exported. Support automatic export of test result data, support EXCEL format.

█   Compatible with various packages, tailormade fixture according to test requirements.

█   The high voltage establishment time is 5ms, which reduces the heat generation of the object under test when it is powered on.

█   Constant voltage or constant current output, synchronous test voltage or current.

█   Supports linear, logarithmic and customized scan.

█   nA level leakage current test under high voltage.

█   The adjustable current pulse width of 50us-500us, with a rising edge of 15us (typical time), reduces the heating of the object under test during the test, and the test results are more accurate.

█   Two voltages are collected synchronously, and the measured voltage is 0-18V, which can support the simultaneous testing of the upper and lower tubes of the half-bridge module to improve test efficiency.

█   Supports current output polarity reversal. To test Vce(sat) and Vfz, you only need to send corresponding instructions without adding additional external switches.

█   Supports automatic sampling, no need for external capture card.


High test efficiency and wide temperature range

PRECISE PMST power device static parameter test system mainly includes test host, test line, test fixture, computer, host computer software, and related communication and test accessories. The system has built-in various specifications of voltage, current and capacitance measurement unit modules. Combined with the dedicated upper computer test software, different parameters such as voltage and current can be set according to the needs of the test project to meet different test requirements. Test data can be saved and exported, and I-V and C-V characteristic curves can be generated. In addition, the test host can be used in conjunction with the probe station to realize wafer-level chip testing; it can also be used in conjunction with high and low temperature boxes, temperature control modules, etc. to meet the needs of high and low temperature testing.

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High precision, High current

The voltage and current measurement units used inside the test host adopt multi-range design, and the test accuracy is 0.1%. Among them, the gate-emitter supports a maximum of 30V@10A pulse current output and testing, and can test leakage currents as low as pA; the collector-emitter supports a maximum of 6000A high-speed pulse current, with a typical rise time of 15μs, and has the function of high-speed synchronous sampling of voltage; the highest support3500V voltage output, and comes with leakage current measurement function. Capacitance characteristic test, including input capacitance, output capacitance, and reverse transmission capacitance test, the frequency supports up to 1MHz.

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What can the semiconductor test system test:

1) Diode, LED: reverse breakdown voltage VR, reverse leakage current IR, forward voltage VF, forward current IF, capacitance Cd, I-V curve, C-V curve

2) Transistor: V(BR)CEO, V(BR)CBO, V(BR)EBO, ICBO, VCESAT, VBESAT, IC, IB, Ceb, gain hFE, input curve, output curve, C-V curve

3) Silicon-based, silicon carbide MOSFET: V(BR)DSS, VGS(th), IDSS, IGSS, RDS(on), VSD, ISD, gate internal resistance RG, input capacitance Ciss, output capacitance Coss, reverse transmission Capacitance Crss, transconductance gfs, output curve, transfer curve, C-V curve

4) IGBT: VCES, V(BR)CES, VCEsat, IC, ICES, VGES, VGE(th), IGES, gate internal resistance RG, input capacitance Ciss, output capacitance Coss, reverse transfer capacitance Crss, transconductance gfs , output curve, transfer curve, C-V curve

5) GaN HEMT: V(BR)DSS, VGS(th), IDSS, IGSS, RDS(on), VSD, ISD, gate internal resistance RG, input capacitance Ciss, output capacitance Coss, reverse transfer capacitance Crss, trans Guide gfs, output curve, transfer curve, C-V curve

6) Capacitance: insulation resistance I.R, capacitance value C

7) Optocoupler (three ports): IF, VF, V (BR) CEO, VCE (sat), ICEO, I.R, input capacitance, output capacitance, isolation capacitance CIO between input and output, output current transfer ratio CTR, input curve, Output curve

Tested curves by PRECISE static semiconductor testing system

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Provide a complete set of test fixture solution

For silicon-based power semiconductors of different packaging types on the market, IGBT, SiC, MOS, GaN and other products, PRECISE provides a complete set of test fixture solutions, which can be used for testing T0 single-tube, half-bridge modules and other products.

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Product selection

ItemMax voltageMax currentAccuracyLeakage current test range
collector-emitter 3500V6000A 0.1% 1μA-100mA
ItemMax voltageMax currentAccuracyMin current range
gate-emitter 300V1A(DC)/10A(Pulse) 0.1% 10nA
ItemBasic accuracyfrequency rangeCV range
CV test 0.05%  0.05%0.01pF-9.9999F

You can contact PRECISE by telephone, mail or email , or you can submit an online Request for Quotation Form.
Email: precisesmu@outlook.com

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