TL431 Under-Voltage, Over-Voltage Detection

[@chrisabad6666]

I have these parts! (I see a nice evening coming up tonight at the bench!) Thanks Lewis!

[@adelal-ramahi1890]

Thank you for the efforts and valuable information

[@gabrielvigiano]

nice explanation Lewis... thanks for sharing

[@LewisLoflin]

Associated links:
www.bristolwatch.com/ccs/tl431_ccs3.htm Power TL431 Constant Current Source Circuits
www.bristolwatch.com/ccs/lithium_charger.htm TL431A Lithium-Ion Cell Charging Circuits
www.bristolwatch.com/ccs/lithium_charger2.htm Charging Multi-Cell Lithium-Ion Battery Packs
www.bristolwatch.com/ccs/tl431_ccs1.htm TL431 Over-Voltage, Under-Voltage Detector Circuits
www.bristolwatch.com/ccs/tl431_ccs2.htm TL431A Constant Current Source Working Circuits Demo
UA-cam:
ua-cam.com/video/y2gnZ7HZefc/v-deo.html TL431 Constant Current Source Circuits
ua-cam.com/video/kJUit6XQYKE/v-deo.html TL431A Lithium-Ion Cell Charging Circuits
ua-cam.com/video/jVXmL7HThiM/v-deo.html TL431 Battery Charger Circuit Calculations Revised
ua-cam.com/video/Fr0Zir8UCLs/v-deo.html TL431 10-Volt Charger Short Version
ua-cam.com/video/gg0Tux_pAgk/v-deo.html Charging, Charge-Balancing 18V Li-Ion Battery with TL431
ua-cam.com/video/QfXS70Kwx94/v-deo.html 18.5V Li-Ion Battery Charger with TL431 (short)
www.bristolwatch.com/ele4/ccs_lm358.htm Arduino Measures Current from Constant Current Source
www.bristolwatch.com/ele4/css.htm Constant Current Source Theory Testing
www.bristolwatch.com/ele4/ard_css.htm Arduino Controlled Power Constant Current Source

[@LewisLoflin]

The 12Vbatter charger circuit uses a TL431 voltage detector and a TL431 constant current source.
UA-cam video: ua-cam.com/video/k1TOiKuBBG8/v-deo.html
www.bristolwatch.com/ccs/tl431_ccs4.htm
TL431, LM317 Battery Charger Circuits Schematics

[@BJcanal270]

Thanks for sharing your knowledge. I hope you can explain BAV99 🙏🏽 Thanks you in advance!!

[@LewisLoflin]

That is a dual fast switching diode, 3 pin diodes connected anode to cathode in series. www.smc-diodes.com/propdf/BAV99%20N0595%20REV.B.pdf

[@naeemhaq3504]

Good young man

[@RSP13]

Fabulous

[@loganxmen3114]

🇨🇱👍

[@TheHaykokalipsis]

useless

[@AxelWerner]

wtf happened to your audio ?! all on one side is so f'ed up

[@LewisLoflin]

Audio sounds fine. It is mono not stereo.