Key Features
High-precision battery voltage detection:
⚫ Overcharge protection voltage: 3.500 V ~ 4.400 V (50 mV steps), accuracy ±25 mV
⚫ Overcharge hysteresis voltage: 0.100 V, accuracy ±50 mV
⚫ Over-discharge protection voltage: 2.000 V ~ 3.200 V, accuracy ±80 mV
⚫ Over-discharge hysteresis voltage: 0 ~ 0.500 V, accuracy ±100 mV
Three-stage discharge overcurrent protection:
⚫ Overcurrent protection voltage 1: 0.050 V ~ 0.100 V (50 mV steps), accuracy ±15 mV
⚫ Overcurrent protection voltage 2: 0.100 V ~ 0.300 V (50 mV steps), accuracy ±20%
⚫ Short-circuit protection voltage: 0.200 V ~ 0.600 V (100 mV steps), accuracy ±20%
Charging overcurrent protection voltage: -0.050 V to -0.100 V (50 mV steps), accuracy ±30%
Charger detection and load detection functions
Overcharge, over-discharge, and overcurrent protection delay times configurable via external capacitors
High-temperature charge/discharge protection and low-temperature charging protection functions
Battery disconnection protection function
NTC thermistor disconnection protection function
Low current consumption:
⚫ Active mode: 15 µA (typical) (Ta = +25°C)
⚫ Sleep mode: 4.5 µA (typical) (Ta = +25°C)
Lead-free and halogen-free.

Applications
⚫ Power tools
⚫ Robot vacuums
⚫ UPS backup power supplies