May '23
Hardware
TVS Diode Device Typical Applications
Transient Threats - What are Transients?
Voltage Transients are defined as short duration surges of electrical energy and are the result of the sudden release of energy previously stored or induced by other means, such as heavy inductive loads or lightning. In electrical or electronic circuits, this energy can be released in a predictable manner via controlled switching actions, or randomly induced into a circuit from external sources.
More in the very valuable application note by Littelfuse .
Universal ideal diode and OR-ing solution
The 德州仪器 LM74700-Q1 is an automotive AEC Q100 qualified ideal diode controller which operates in conjunction with an external N-channel MOSFET as an ideal diode rectifier for low loss reverse polarity protection with a 20-mV forward voltage drop. The wide supply input range of 3.2 V to 65 V allows control of many popular DC bus voltages such as 12-V, 24-V and 48-V automotive battery systems. The 3.2-V input voltage support is particularly well suited for severe cold crank requirements in automotive systems. The device can withstand and protect the loads from negative supply voltages down to –65 V.
How to design an automotive transient and overcurrent protection filter
Somewhere in the world today, an automotive engineer is envisioning an infotainment system for a car that won’t be realized for another five years or more. This includes factoring in the power requirements for applications that exist only as concepts today. As infotainment systems evolve in sophistication and electronic functionality, the number of integrated circuits (ICs) also increases, and the ICs are all sharing power from the 12-V battery.
One way to provide transient protection is with an ideal diode controller . As shown in Figure 5, using a current-sense amplifier with an ideal diode controller can provide additional overcurrent protection, resulting in a comprehensive protection solution that precedes any filtering and power conditioning.
More in an excellent article by 德州仪器
CATV Amplifier IC Evaluation Board
Qorvo, Inc. QPL7420EVB CATV Amplifier IC Evaluation Board demonstrates the capabilities of the QPL7420 Amplifier ICs for 75Ω CATV and satellite applications. The QPL7420 CATV GaAs pHEMT RF Amplifier ICs are single-ended devices featuring 20dB flat gain and low noise for applications in the upstream from 5MHz to 684MHz and in the downstream from 47MHz to 1800MHz. Using a single 5V supply, the 3mm2 QFN packaged QPL7420 ICs can be used from 3V to 8V (depending on linearity requirements).
Hardware Design Templates
?????? ???????? ????????????????
This comprehensive template has been meticulously crafted in accordance with the FMC ANSI/VITA standard, ensuring seamless integration and optimal performance.
The new template features a meticulously designed PCB layout and includes recommended connectors that adhere to the highest industry standards. By utilizing ?????? ?????? ???????? ???????????????? Hardware Design Template, you'll significantly reduce development time and streamline your design process, allowing you to focus on what matters most - delivering cutting-edge products to your customers.
Unlock the full potential of your next project with our FMC Dual Platform Hardware Design Template. Experience unparalleled ease of use, reliability, and efficiency, while maintaining the highest quality standards in the industry. Embrace the future of hardware design with confidence.
The Hardware Design Template package contains:
?Design data of the verified PCB template.
?A design library of all used symbols.
?A design library of all used footprints.
?Clean and easy-to-order BOM of all components.
The Hardware Design Template supports:
?FPGA Mezzanine board dual size
?two HPC 10x40 pin connectors
KiCAD
Hardware design made easy with KiCAD v7
?????? ?? ???? ?? ???? ???????????????? ???????????? ?????????? ?????????? ?????#ebook
About two months ago, I released my ?? ebook dedicated to HW design.
? 54 pages
? 9 sections
My best tips and tricks for
1?? Symbols and libraries
2?? Footprints
3?? Schematic capture
4?? PCB layout
...and much more.
?? The ?? download link for all subscribers at?www.beny-devices.eu
?????? ???????????? ???????? ?????????????????? ???? ??????????
Solder mask expansion, also known as solder mask clearance or solder mask swell, is the distance between the edge of a pad and the edge of the solder mask opening. The expansion is essential to provide sufficient clearance between the pad and the solder mask to prevent solder bridging and ensure proper soldering.
Along with the KiCAD v6 release, the Solder mask expansion feature changed.?
Since the release of KiCAD v6 the Solder mask expansion setting in Board setup can expand Solder mask of all footprint WITHOUT the expanded mask.
Again:
1?? If your footprint has defined solder mask expansion, the manufacturing data will follow the footprint setup.
2?? If your footprint does not have that expansion, the Board setup - Solder mask expansion setting overrides that footprint.
???????????? ?????? ???????? ????????????
?????? If there is a?#kicad?killer feature, it is most likely this one.
? You can use it in the Symbol editor
? You can use it in the Schematic editor
?? The video ?????????????????? ?????????? you minutes but takes only 15 seconds.
Have a lovely day
Wishing you an inspiring journey through the world of hardware design,
May the insights and innovations shared in this newsletter spark your creativity, fuel your passion, and guide you towards new heights in your own engineering endeavors. Thank you for being a valued member of our vibrant community, and let's continue to drive the future of hardware design together.
Warm regards,