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Vinci-LV BMS Selection

Selection guides

Guides in designing a battery with a Vinci LV BMS.

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back to top Number of cells / batteries for a bus voltage

Chem. Nominal
voltage
Chem. 12 V* 24 V 36 V 48 V
Li-ion 2.00 V Li-sulfur 6 12 18 n.a.
2.35 V LTO 5 10 15 n.a.
3.25 V LFP 4 8 12 15, 16
3.60 V LCO, NCA 3, 4 7 10 13, 14
3.70 V LMO, NMC 3 6, 7 10 13
3.75 V NMC 3 6, 7 9, 10 12
Lead
acid
6 V Flood,
VRLA
2 4 6 8
12 V 1 2 3 4

*) Vinci LV not rated for 12 V operation

 

back to top Dissipative vs. Charge transfer balancing

Balancing Redistribution
Maximizes capacity to the one of the lowest capacity cell. Uses all the stored energy.
Evens out wear among all cells.
Dissipative
("passive")
Cost effective
Bullet proof:
survives mis-connection
Charge transfer
("active")
Energy efficient
Faster balance

 

back to top Contactors vs MOSFETs

Contactors MOSFETs Both*
Current handling ~1000 ~100 ~1000 [A]
Power
wasted
No load ~10 ~0 ~0 [W]
Light load ~ 0.5 ~ 5 ~ 5 [%]
Heavy load ~ 0.5 ~ 5 ~ 0.5 [%]

(*): Exclusive feature of Vinci.

back to top Number of modules required in an array

Number of
batteries
in array
Battery
Masters
Array
Masters
Total
modules
1 1 0 1
2 2 1 3
3 3 1 4
10 10 1 11
63 63 1 64

 

 

In this page:
Voltage
Balancing
Protector
Modules
 
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