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Sino Science&Technology Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of Lifepo4 batteries,energy storage battery,portable UPS power supply,personalized customization lithium battery pack etc .
Environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery,3.7V lithium polymer battery, NiMH battery , NiCD battery ,Lead acid battery,dry cell battery ,alkaline battery ,heavy duty battery, button cell battery etc. we devote to R&D,innovation ,production & sales
Shenzhen Green Power Energy Battery Co.,ltd specializes in a wide range of digital battery such as environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery, 3.7V lithium polymer battery, NiMH battery, NiCD battery, dry cell battery, alkaline battery, heavy duty battery, button cell battery etc. we devote to R&D, innovation, production & sales. With automatic production machines we have been exported goods to all over the world over 15years. We have complete exported certificate such as KC, CE, UL, BSCI, ROHS, BIS, SGS, PSE etc
Dongguan Datapower New Energy Co.,ltd is a high-tech production enterprise which specialize in the R&D and production&sale of lithium polymer batteries,drone battery,airplane batteries &battery pack etc.
Anhui Seong-hee New Energy Technology Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of primary batteries. And mainly produces and sells alkaline batteries & carbon zinc batteries. there are size AA, AAA, C, D, 9V etc
Guizhou STD Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production & sale of lithium polymer batteries, drone battery, airplane batteries & battery pack etc.
release time:2024-04-18 Hits: Popular:AG11 battery
no. 7 alkaline battery charging and discharging circuit diagram
no. 7 alkaline battery charging and discharging circuit diagram - 18650 no. 7 alkaline battery over-discharge indication circuit made using CMOS micro-power voltage detector HT7030. It can automatically light up the LED indicator when the discharge voltage of the 18650 no. 7 alkaline battery is lower than 3V to inform the user that "the battery is over-discharged". Recharged”. no. 7 alkaline battery charging and discharging circuit diagram
The 18650 no. 7 alkaline battery over-discharge indication circuit produced using the CMOS micropower voltage detector HT7030 can automatically light up the LED indicator when the discharge voltage of the 18650 no. 7 alkaline battery is lower than 3V to inform the user that "the battery should be charged."
The HT7030 in the picture is a commonly used CMOS micropower voltage detector. It has a built-in micropower precision reference voltage source and a micropower Schmitt voltage detector (hysteresis voltage is about 100mV). The output stage uses a leakage Extremely open circuit output. The detection voltage of HT7030 is 3.0V. When the supply voltage of HT7030 (voltage of no. 7 alkaline battery) is higher than 3.0V, the NMOS field effect transistor inside the output pin ① is turned off, so the LED indicator light will not light up. At this time, the operating current of the entire voltage detection circuit is only 2μA.
When the discharge voltage of the no. 7 alkaline battery is ≤3.0V, the NMOS field effect transistor inside pin ① of the output terminal of HT7030 is turned on, the output of pin ① becomes low level, and the LED indicator lights up to inform the user that the battery voltage is lower than 3.0V. , it’s time to recharge.
no. 7 alkaline battery charging and discharging circuit diagram
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