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# Electronic Notes
* STM - Improved Universal Motor Drive
https://www.st.com/resource/en/application_note/cd00003829-improved-universal-motor-drive-stmicroelectronics.pdf
* NXP - Open Loop Universal Motor Chopper Based 2004
schema with transformless and push-pull BJT for IGBT
https://www.nxp.com/docs/en/reference-manual/DRM057.pdf
* ON Semi - Low Cost Universal Chopper Drive System
https://www.onsemi.com/pub/Collateral/AN1661-D.PDF
* DC Drive for Universal Motor
http://www.komel.katowice.pl/ZRODLA/FULL/84/ref_02.pdf
* STM - Motor control Reference Guide 2021
https://www.st.com/content/ccc/resource/sales_and_marketing/promotional_material/brochure/bf/aa/d0/60/38/83/43/74/Brochure_Motor_Control.pdf/files/Brochure_Motor_Control.pdf/jcr:content/translations/en.Brochure_Motor_Control.pdf
* https://www.st.com/en/power-transistors.html
* https://www.st.com/content/st_com/en/products/power-transistors/power-mosfets.html
https://www.st.com/en/power-transistors/stpower-n-channel-mosfets-gt-350-v-to-700-v.html
* https://www.st.com/content/st_com/en/products/power-transistors/igbts.html
https://www.st.com/en/power-transistors/600v-h-series-medium-speed-8-to-30-khz.html
* https://www.st.com/en/motor-drivers/gate-drivers.html
* https://www.st.com/en/motor-drivers/brushed-dc-motor-drivers.html#documentation
* https://www.infineon.com/cms/en/product/power/igbt/igbt-discretes/?filterValues=~(444_84_max~(leftBound~5~rightBound~15))&visibleColumnIds=name,opn,productStatusInfo,green,orderOnline,698_min,698_max,618,496_max,444_85_max,444_84_max,662_nom,551,397_nom,396_61_nom,460_max,550_nom,641,packageName,669_nom,673_nom,668_nom,670_nom,548_nom,463_max,476_nom,220_nom,449_max,694_nom,693#!products
* STM STGB10H60DF Trench gate field-stop IGBT, H series 600 V, 10 A high speeda
https://www.st.com/en/power-transistors/stgb10h60df.html
* https://www.infineon.com/cms/en/product/power/gate-driver-ics/1edi05i12af/
* https://design.infineon.com
* https://makingcircuits.com/blog/making-a-transformerless-power-supply-circuit/
* https://www.homemade-circuits.com/cheap-yet-useful-transformerless-power/
* https://www.powerelectronicsnews.com/power-supply-design-notes-transformer-less-power-supply/
* https://www.powersystemsdesign.com/articles/the-art-of-generating-negative-voltages/95/9756
* https://www.newelectronics.co.uk/electronics-technology/the-best-way-to-generate-a-negative-voltage-for-your-system/167618/
https://www.ti.com/product/TPS63710
* Designing for Board Level Electromagnetic Compatibility - NXP
https://www.nxp.com/docs/en/application-note/AN2321.pdf
* https://incompliancemag.com/article/emi-in-components/
* https://www.maximintegrated.com/en/design/technical-documents/tutorials/1/1167.html
* https://www.ti.com/lit/an/snoa382/snoa382.pdf?ts=1619383422967
* https://www.quora.com/Why-would-you-place-a-capacitor-parallel-to-a-resistor
* https://en.wikipedia.org/wiki/Insulated-gate_bipolar_transistor
* Fundamentalsof MOSFETand IGBT Gate Driver Circuits - TI
https://www.ti.com/lit/ml/slua618a/slua618a.pdf?ts=1619353660538
* Isolated Gate Drivers—What, Why, and How? - Analog
https://www.analog.com/en/analog-dialogue/articles/isolated-gate-drivers-what-why-and-how.html
> The structure of an IGBT/power MOSFET is such that the gate forms a nonlinear capacitor. Charging
the gate capacitor turns the power device on and allows current flow between its drain and source
terminals, while discharging it turns the device off and a large voltage may then be blocked
across the drain and source terminals. The minimum voltage when the gate capacitor is charged and
the device can just about conduct is the threshold voltage (VTH). For operating an IGBT/power
MOSFET as a switch, a voltage sufficiently larger than VTH should be applied between the gate and
source/emitter terminals.
> Consider a digital logic system with a microcontroller that can output a PWM signal of 0 V to 5 V
on one of its I/O pins. This PWM would not be enough to fully turn on a power device used in power
systems, as its overdrive voltage generally exceeds the standard CMOS/TTL logic voltage. Thus, an
interface is needed between the logic/control circuitry and the high power device.