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STMicroelectronics Releases New Software Tool for Designing ESD Protection and Component Selection
New ESD-SIM Simulation Software Helps Designers Quickly Select The Correct Devices and Ensures Electromagnetic Compatibility
STMicroelectronics is helping protect today’s smart devices by making shirt pockets, car dashboards, office desks, and
other statically dangerous locations safer through the introduction of a new software tool that guides
the selection of the right protection components for integrated-circuit designs right from the beginning.
People, clothing, and objects can easily accumulate static charges of many thousands of volts that may give a
minor shock to the human body but present a growing threat to increasingly delicate chips in devices like smartphones and tablets,
computers, or televisions. Exposed ports such as USB or HDMI™ sockets are especially vulnerable to these
electrostatic discharges (ESD). The protection circuitry needed to handle ESD energy often requires testing with
a real prototype where late design changes add to costs and cause delays.
ST’s new free online software tool, ESD-SIM, answers this challenge. It is capable of assessing both circuit protection and
signal integrity, to help select the right ESD-protection components from ST’s portfolio before hardware is built.
“ESD-SIM delivers a significant boost to circuit-board design efficiency, enabling engineers to evaluate
electrical performance of protection-circuitry components online and jumpstart their designs by using Keysight’s simulation technology with
ST component models,” said Ricardo De Sa Earp, ASD and IPAD Division Manager, STMicroelectronics.
ST has adopted Keysight EEsof EDA software, including ADS, for design and simulation as it is the gold standard for
high-frequency and high-speed simulation. Now, ESD-SIM makes the ADS simulator available online,
for evaluation of ST’s protection components.
ESD-SIM now allows engineers to finalize their choice of ESD protection at an early stage and
move on to design higher-value product features without fear of encountering extra costs and delays later in the project.
ESD-SIM has been created for ST by tools specialist Transim, with simulation powered by Keysight’s ADS.
ESD-SIM provides a quick and easy way to evaluate the performance of ST devices using the industry-standard
high-speed/high-frequency SPICE simulation engine in ADS. The validation output of the online tool is free of charge,
and it further provides an ADS workspace to jumpstart the design process in commercially available design software.
“As a free tool, the revolutionary ESD-SIM will change the way all engineers design their circuit boards, and
eliminate the hassles associated with last-minute changes to correct unforeseen problems,” said Torsten Goebner,
Development and Engineering Manager at Transim.
The tool uses ST’s TVS (Transient Voltage Suppressor) SmartSelector to choose suitable protection components,
whether the application is digital, analog, automotive, or power. ESD-SIM then runs ESD and signal-integrity simulations,
using Transmission Line Pulse simulation, eye diagrams, time-domain reflectometry and S-parameters to ensure high-speed signals
such as USB 3.1, HDMI, DisplayPort™, or SATA satisfy the applicable specifications. This can be done quickly and easily,
requiring only seven mouse clicks. Pre-configured simulation setups and signal tests are included, which saves
any need for the user to create tests and ensure compliance with the relevant standards. The simulations are also customizable,
and users can save and share designs with local teams or the ESD-SIM community.
The company's Web site address is http://www.st.com/.
[Reprinted with kind permission from STMicroelectronics - Release Date 27th June, 2016]