1 Features

• AEC-Q100 Qualified for automotive applications

• Battery and supercap monitoring capability for 3-series to 16-series cells

• High accuracy cell voltage measurement of ±3.0mV

• Integrated charge pump for high-side NFET protection with optional autonomous recovery

• Extensive protection suite including voltage, temperature, current, and internal diagnostics

• Two independent ADCs

– Support for simultaneous current and voltage sampling

– High-accuracy coulomb counter with low input offset error

• Wide-range current applications (±200mV measurement range across sense resistor)

• Integrated secondary chemical fuse drive protection

• Autonomous or host-controlled cell balancing

• Multiple power modes (typical battery pack operating range conditions)

– NORMAL mode: 286μA

– Multiple SLEEP mode options: 24μA to 41μA

– Multiple DEEPSLEEP mode options: 9μA to 10μA

– SHUTDOWN mode: 1μA

• High-voltage tolerance of 85V on cell connect and select additional pins

• Tolerant of random cell attach sequence on production line

• Support for temperature sensing using internal sensor and up to nine external thermistors

• Integrated one-time-programmable (OTP) memory programmable by customers on production line

• Communication options include 400kHz I2C, SPI, and HDQ one-wire interface

• Dual-programmable LDOs for external system usage

• 48-pin TQFP package (PFB)