The SmartScan-350/550 ESD scanning test system is a specially designed electrostatic sensitivity scanning system. The broadband pulses from the TLP pulse source are transmitted to the electric or magnetic field probe. The generated field couples with components or circuits on the DUT or PCB board, leading to malfunctions. Alternatively, pulses can be injected directly into the probe. The scanning system mainly reproduces the failure types of IEC 61000-4-2 test, including soft failure and hard failure.
ESD scanning testing systemThe probe is positioned at the desired test point by a software controlled robotic arm, triggering coupling and recording the response of the tested device for relative immunity level comparison. The simplified immunity setting diagram and immunity example diagram (sensitivity diagram) are shown below:
Application of ESD Immunity Scanner
Determine sensitive points, areas or traces according to IEC 61000-4-2 type test
Performance evaluation of system level ESD testing in the early stages of development
Comparison of relative immunity levels before and after design changes
Choose more anti-static components (supplier A is superior to B)
The electrostatic box consists of TLP transmission line pulses and fault detection units
![ESD扫描测试系统]()
Fault detection unit
Four analog signal inputs
Four digital signal inputs
Three auxiliary inputs
Remote control of DUT power cycle using 120V and DC power supply
Optical sensor for image change detection
Micro phone for sound on/off detection
Integration of DUT controller
Simultaneous monitoring of multiple signals
Boolean operation of monitoring signals to control the reset of the tested device and the classification of fault types
TLP transmission line pulse
Charging voltage of transmission line from 200V to 8000V
A drop time of<300>6 ns to prevent faults at both edges
![ESD扫描测试系统]()
ESD scanning testing systemHardware configuration parameters:
model |
ESD-350 |
ESD-550 |
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Scanner image
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![ESD扫描测试系统]()
![ESD扫描测试系统]()
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![ESD扫描测试系统]()
![ESD扫描测试系统]()
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style |
desktop-style |
stand-alone |
Probe positioning (1) |
350mm 4-axis robotic arm |
550mm 4-axis robotic arm |
Z-direction travel |
150mm |
150mm |
Large scanning area |
1500cm2 |
4150cm2 |
precision |
100um |
100um |
repetitiveness |
< 50um |
< 50um |
occupied space |
27' x 25' x 37' (WxDxH) |
59' x 33' x 72' (WxDxH) |
Electrostatic probe (2) |
Hx/y – 1mm and 5mm
Hz – d=8mm
Ez – d=8mm
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Hx/y – 1mm and 5mm
Hz – d=8mm
Ez – d=8mm
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