# ebike's working logic

#### K.K

##### 10 µW
hi，guys
I am a newcomer to e-bike.
I want to make a manual e-bike, but I don't know much about the power-on logic of e-bike's equipment, such as motor, electric control, in what order does the battery work in e-bike?
What is the relationship between the three?

Last edited:

Translation: Do you really think you'll get answers here if you post in Chinese? This is obviously an English language forum.

I'm sorry for that I use Chinese. I forgot to change my language.

I am a newcomer to e-bike.
I want to make a manual e-bike, but I don't know much about the power-on logic of e-bike's equipment, such as motor, electric control, in what order does the battery work in e-bike?
What is the relationship between the three?

I am a newcomer to e-bike.
I want to make a manual e-bike, but I don't know much about the power-on logic of e-bike's equipment, such as motor, electric control, in what order does the battery work in e-bike?
What is the relationship between the three?
My newb FAQ link in my signature may also have some info.

Study this representative schematic for the BMSbattery.com S06S controller. Look at the box in the bottom center where it shows how Vin (battery voltage) is converted to the +5V for the controller logic, and +15V for the MOSFET gates. Most controllers use a similar powerup sequence, where an input Vin is raised to battery voltage. You will also see that battery power is always applied to the MOSFET's, so the motor's phase leads are connected to power/ground thru inactive Mosfets.

Meanwhile, some batteriies have on/off switches. Some are always on.

There you go. If the batterry is turmed on, some components inside the controller are already powered. You have to turn on the controller to power up its logic. It will power up with the phase outputs inactive, so the motor phase leads see no voltage. If this is too much for you, then go study,

#### Attachments

• S06S_schematic.pdf
600.8 KB · Views: 3
Dont be afraid of the pop sound you hear when hooking up the battery to the controller.

OK，Thank you for your help. I will read all the information patiently.

Replies
0
Views
76
Replies
7
Views
308
Replies
3
Views
108
Replies
4
Views
257
Replies
2
Views
159