Questions tagged [discharge]
The process of removing energy from a store, such as a capacitor or battery. Stores may be parasitic, resulting in rapid spontaneous accidental discharge, as in a static shock.
474 questions
2 votes
1 answer
84 views
Sample and hold (S&H) lower sample timing problem
I want to build a 1-octave keyboard and want to hold last note pressed. I hardly found some circuits online and they are working properly(ish) but when I press higher notes first and lower notes after,...
1 vote
0 answers
60 views
Best Method to Discharge a CDI Module in an H-Bridge Circuit
I have designed an H-bridge circuit to charge a CDI (Capacitor Discharge Ignition) module. The circuit is as follows: Charging Phase: To charge the CDI module, I turn on switches S1 and S4. Once the ...
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-1 votes
2 answers
101 views
Electron flow in multiple cells of voltaic pile [closed]
Electricity was something I was always confused about, all its units and what they mean so I started reading it now since I feel I can understand it now I just need to start from basics and go in ...
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1 vote
1 answer
86 views
RC Circuit not fully discharging
I have a delay circuit using an RC discharge setup controlled by a PFET, which drives a relay through a comparator. When the PFET turns off (via a logic signal modeled by a push button), the capacitor ...
- 323
0 votes
1 answer
68 views
Inverter discharges slowly
I am hoping the smart ones can help me understand this seemingly simple behavior. The attached drawing details DC bus connections (B+/B-) of an inverter drive. When the B- line fuse blows (red arrow),...
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3 votes
1 answer
176 views
Ball bearing race game - capacitor discharge problem
This may be an embarrassing question but I'm stuck so here goes :) I'm playing with an idea for racing ball bearings in tubes (don't ask ha ha !!) and I want to give them a kick as they pass the start ...
- 31
2 votes
1 answer
387 views
Lithium-ion battery voltage after using its entire capacity [closed]
I have a lithium-ion battery of 3500 mAh. I want to see what will be the voltage of battery when I use its entire capacity. I fully charge it and draw 3.5 A continuously for 1 hour. After 1 hour what ...
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0 votes
0 answers
68 views
charging and discharging capacitors in series with no current circulating
in a circuit with three capacitors in series (or plus) how does the in-between capacitor charge and discharge if there isn't circulating current?
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-1 votes
1 answer
80 views
Battery discharge over time
I noticed that my laptop battery percentage drops faster at low percentages. I am wondering why. For instance, the drop from 20 to 0 is much faster than the drop from 100 to 80 percent. I've heard ...
1 vote
3 answers
210 views
Discharger for 48V LiFePO4 batteries?
I have a pair of 48V 100Ah LiFePO4 batteries that I've removed from my boat for the winter. They're currently at ~100% charge. They'll be sitting in my basement over the winter, because my boat will ...
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1 vote
2 answers
290 views
Help! Capacitor discharge circuit
Hello, here I attached a diagram of a series circuit containing a switch, 9 V bulb, resistor, and a capacitor. When the switch is closed, the capacitor gradually starts charging from 0V, and hence, ...
user407035
2 votes
1 answer
216 views
How does this battery discharger work?
I'm trying to figure out how this rather simple discharging circuit works and what the SOT23 component is. What kind of component am I looking for? Some sort of transistor, right? But what kind? It ...
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0 votes
2 answers
142 views
Capacitor Charge and Discharge Circuit
I am trying to make a circuit that charges a cap during the high part of a square wave and discharges it on the low My theory: During the high pulse the pmos is off and the nmos is on charging the ...
1 vote
1 answer
93 views
What type of regression do researchers use when creating discharge curves?
Source: https://www.richtek.com/Design%20Support/Technical%20Document/AN024 What type of regression do researchers use to create discharge curves? Is it cubic, or quintic, or something else?
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0 votes
3 answers
260 views
How can one voltage value have multiple SOC? (Jackery Blog Graph)
https://www.jackery.com/blogs/knowledge/lithium-ion-battery-voltage-chart This is a typical voltage discharge curve for a li-ion battery. I am wondering how one voltage value can translate to multiple ...
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