11/25/2023 0 Comments Coulomb counter chip![]() SOLUTION: The coulomb counter outputs a count value proportional to an input voltage. PROBLEM TO BE SOLVED: To provide a coulomb counter capable of reducing the circuit size and outputting count values having very few errors and provide an offset value measuring method and an offset correction method. 229910001416 lithium ion Inorganic materials 0.000 description 1.230000001276 controlling effect Effects 0.000 description 1.HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium Ion Chemical compound HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1.238000004519 manufacturing process Methods 0.000 description 2.238000000691 measurement method Methods 0.000 description 6.BZHJMEDXRYGGRV-UHFFFAOYSA-N vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 abstract description 55.238000001514 detection method Methods 0.000 claims description 14.238000005070 sampling Methods 0.000 claims abstract description 78.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp Priority to JP2008035679A priority Critical patent/JP2009192465A/en Publication of JP2009192465A publication Critical patent/JP2009192465A/en Status Withdrawn legal-status Critical Current Links Original Assignee Seiko Epson Corp Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Inventor Hideki Sato 英樹 佐藤 Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Withdrawn Application number JP2008035679A Other languages Japanese ( ja) ![]() Google Patents JP2009192465A - Coulomb counter, offset value measuring method, and offset correction method Similarly for the discharging process but with absolute values for currents.JP2009192465A - Coulomb counter, offset value measuring method, and offset correction method The first question is how many measurements per second should I consider sufficient for enough data points?įor the calculation part, the only idea I had was to calculate the average per second and sum all those averages together for the whole charging process. According to some sources, INA219 can take a measurement in 68.1ms in the slowest mode, which gives about 14 measurements per second. I have some ideas but do not know if I am thinking in the right direction. But, the other part about the amount of energy charged/discharged is a mystery to me. ![]() The part about real-time values is clear to me, and I have done it many times. I will be using Arduino IDE for that purpose. I am making a logging component for a battery charger-discharger, by using the INA219 sensor modules connected to ESP32 Devkit among other components. This is not ESP32 specific question, more general I think, but I do not have experience with it. Memes and other low effort jokes are not acceptable forms of content. Please keep submissions on topic and of high quality.Ĭivility & Respect are expected. It is a successor to the ESP8266 microcontroller. The ESP32 series of chips is created and developed by Espressif Systems and is manufactured by TSMC using their 40 nm process. It and includes in-built antenna switches, RF balun, power amplifier, low-noise receive amplifier, filters, and power management modules as well. The ESP32 series employs either a Tensilica Xtensa LX6, Xtensa LX7 or a RiscV processor, and both dual-core and single-core variations are available. ESP32 is a series of low cost, low power system on a chip microcontrollers with integrated Wi-Fi and dual-mode Bluetooth.
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