Spartan

BMS

Description

Spartan BMS is an AIS-156 Ph-II compliant, monolithic battery management system & power distribution unit that is fully configurable, along with advanced safety features & estimation algorithms.

The BMS is also accompanied by companion applications that add to the ease of battery R&D + usage of the product.

This BMS supports up to 16 cells in series and has superior thermal performance that allows continuous currents of up-to , specifically designed to be used in High Speed E-2Wheelers, E-3Wheelers, Battery Swapping, and Robotics applications.

Designed for E-2W, E-3W and swapping applications.

Spartan Specification

Technical Specifications

OPERATING LIMITS
BMS Operating Voltage:
42 - 70 V Standard Operating Limit, can be modified as per application requirements.
Active Mode Current Consumption:
< 11.5 mA
Sleep Mode Current Consumption:
< 550 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:
± 5 mV
No. Of Onboard Temperature Sensors:
3 # AFE + FET + Board Temperature Sensors
No. Of External Temperature Sensors:
8 # NTC Type
Temperature Sensing Accuracy:
≤ 1 °C Channel Accuracy, Range dependent on NTC used
Current Sensor Type:
Shunt
Current Sensing Range:
-200 to 200 A
Current Sensing Accuracy:
± 1 %
POWER DISTRIBUTION
Continuous Current:
70 A
100 A 		for 70A Variant
for 100A Variant
Peak Current(10 min):
90 A
120 A 		for 90A Variant
for 120A Variant
Peak Current(1 min):
120 A
160 A 		for 120A Variant
for 160A Variant
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:
≤ 1 For NMC %
≤ 3 For LFP % 		with cell modelling
SoH Accuracy:
≤ 3 For NMC %
≤ 3 For LFP % 		with cell modelling
I/O CHANNELS
No. of Isolated Input Channels:
1 #
No. of Isolated Output Channels:
1 #
Current Sinking Capability:
50 mA
Current Sourcing Capbility:
50 mA

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