Features

• 2 μA shipment - DEEP SLEEP mode current and 5 μA standby consumption

(with VREG LDO active) standby consumption (with VREG LDO active)

• Integrated 3.3 V VREG LDO for supplying MCU and LEDs

• Measures cell voltage (3 to 5 cells), with over/undervoltage detection and

balance undervoltage protection

• 12-bit voltage measurement with maximum error of ±15 mV in the [1.5–4.5] V

range, for -40 °C < TJ < 105 °C

• Measures stack voltage, with over/under voltage detection and plausibility check

vs. sum of cells

• Measures pack temperature via NTC, with over/undertemperature detection

• Ratiometric temperature measurement with ±0.8 max. gain error in the [0.2–

VREG] V range, for -40 °C < TJ < 105 °C

• Measures battery current, with Coulomb counting, overcurrent (both directions)

and short-circuit in discharge protection.

• 16-bit signed current measurement with 0.1 full scale error at room

temperature

• I2C peripheral for device programming and data transfers over I2C bus

• Cell balancing supporting up to 70 mA per cell

• Dual configurable HS/LS predriver for pack relay management

• Pack fuse management

• Embedded NVM for configuration parameters storage

• High hotplug robustness

Applications

• Cordless power tools

• Backup energy storage systems and UPS

• Light electric vehicles (e-bikes, scooters, etc)

• Portable and semi-portable equipment

• Medical equipment