Robinhood

BMS

Description

Robinhood is an extenstion of WhiteKnight along with a current limiting circuit specifically designed for supporting batteries connected in parallel stack.

Supports up-to 16 cells in series and allows a continuous current of 60A.

Robinhood Specification

Technical Specifications

OPERATING LIMITS

BMS Operating Voltage:

42 - 70 V

Lower limit can be modified as per requirement

Active Mode Current Consumption:

< 15 mA

Sleep Mode Current Consumption:

< 450 uA

Operating Temperature:

- 20 to 85 °C

SENSING

Cell Voltage Sensing Channels:

16 #	Can sense 9-16 cells in series

Cell Voltage Sensing Range:

0 - 5 V

Cell Voltage Sensing Accuracy:

\pm 5

No. Of Onboard Temperature Sensors:

3 #	AFE + FET + Board Temperature Sensors

No. Of External Temperature Sensors:

8 #

NTC Type

Temperature Sensing Accuracy:

\leq 1

°C

Channel Accuracy, Range dependent on NTC used

Current Sensor Type:

Shunt

Current Sensing Range:

-200 to 200 A

Current Sensing Accuracy:

\pm 1

POWER DISTRIBUTION

Continuous Current:

60 A

Peak Current(10 min):

75 A

Peak Current(1 min):

100 A

Peak Current(10 sec):

120 A

Short Circuit Detection Current:

200 A

Short Circuit Response Time:

< 50 uS

CELL BALANCING

Maximum Cell Balancing Current:

200 mA @

V_{c e l l} = 4.2 V

STATE ESTIMATION

SoC Accuracy:

\leq 1

For NMC %

\leq 3

For LFP %

with cell modelling

SoH Accuracy:

\leq 3

For NMC %

\leq 3

For LFP %

with cell modelling

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