All Questions
6 questions
1
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1
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88
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Need recommendations on my PCB
I’m designing my first 4-layer PCB for a 2-cell battery monitoring system using the BQ40Z50 BMS chip.
According to the datasheet, it’s recommended to create two separate grounds: one for the fuel ...
- 301
1
vote
1
answer
123
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Can PE and GND be the same for HY2112 to Function?
If C1 is connected to GND instead of PE, will the HY2112 device fail to disconnect the battery?
My understanding is that HY2112 (similar to DW01A) measures cell current using R2 as a shunt. If OC for ...
- 113
2
votes
1
answer
142
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Blown fuse detection parallel battery bank
I have 384 Nissan Leaf battery modules that I wish to design a blown fuse monitoring system for.
Each module consists of 2 x LiIon cells in series with a separate fuse for each cell,
The modules are ...
- 21
2
votes
0
answers
116
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Design a 12 V battery pack for portable electronics project [closed]
I am doing some electronic project for a portable escape room business that I am running with my wife, the project are basically running or Arduino to take some inputs and switch on a 12 V solenoid ...
1
vote
1
answer
255
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BMS design for 150 A continuous current
I have to design a BMS for a 12s, 1p battery configuration. I am using a BQ76952 IC to do voltage measurement and passive balancing. The continuous discharge current is 150 A and peak current is 300 A....
- 11
0
votes
1
answer
248
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Why are these resistors used? What is their function in this BQ76920 circuit?
I am designing a BMS using a TI BQ76920 connected to an ATmega328P via I2C. I'm using the design in the datasheet as my reference. I am confused about why and how these resistors are being used in the ...
- 176