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FEATURES
Cell voltage measurement
Up to 16-cell channels
Parallel and redundant architecture
Passive cell balancing up to 300 mA per cell
<2 mV total measurement error (TME) at 4.2 V over the lifetime
Pack current measurement
Independent bidirectional channels with redundancy Dedicated charge measurement/coulomb counter
Dynamic range: ±131 mV
Resolution: 1 pV/bit
Offset: 1 pV over the lifetime
Gain Error: 0.1% over the lifetime
Synchronous pack current and cell voltage measurements Short/Over current detection
<2 ps response time
Programmable detection time and threshold
Dedicated outputs for MOSFET/Contactor control Redundant measurement, algorithm, and fault pin
10 General-purpose I/O (GPIO) channels
Cell and board temperature measurements
Pack, load, and system diagnostic measurements
<3.3 mV TME over the lifetime
Low power monitoring for key-off state
Dedicated fault output pin
Configurable overshoot, undershoot, and time gradient thresholds
Cell voltage, pack current, and GPIO voltage measurement Configurable measurable period
Independent continuous time overcurrent protection 4-Wire SPI 4 MHz communication interface
Package 64-pin QFN-SS
AEC-Q100 qualified
APPLICATIONS
Mild hybrid electric vehicles
Two-wheeler and three-wheeler electric vehicles Four-wheeler electric vehicle auxiliary battery Backup battery systems
Energy storage systems (ESS)
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