2 Specification Highlights



Battery Topology Flexibility

o

Scalable SW & HW BMS solution supporting 7 to 210 cells per daisy chain

o

Supporting Centralized, Distributed Daisy Chain, Distributed CAN



High Integration

o

Integrated Power Supply

o

Integrated Balancing FETs (300mA) w/ dedicated timer for each FET,

programmable up to 8 hours

o

Integrated current Sensor (+-1500A,) 0.5% accuracy with Coulomb Counter

o

Multiple programmable wake-up modes to support low-power operating mode

o

One Chip AFE for 48V Li-ion BMS



Highly Synchronized Data Acquisition and Fast Communication

o

Only 3.6 ms for pack controller to acquire conversions for 96 cells

o

All cell voltages and currents within same daisy chain measured within 100us



Superior Daisy Chain Communication

o

2Mbps, 100% differential, programmable address, bus wake-up

o

3750V Isolation with AEC-Q200 qualified external transformers

o

Automatic termination resistors, Common Mode Noise Immunity,

o

Receiver BCI tested (>200mA)

o

Transformer AECQ-200 Qualified



System Diagnostics and functional safety supporting ISO2626, single chip ASIL C capable,

up to ASIL D safety capability



Automotive robustness: ESD, EMC, Hot Plug, AEC-Q 100



Ultra-low radiated emissions

3 Target Applications



Automotive Applications

o

High-voltage battery management systems

(> 800V)

o

48 V battery management systems



Industrial Applications

o

Energy storage systems (ESS)

o

Uninterrupted power supply (UPS)

o

E-bikes, E-scooters