Summary:
CX3318B is a specialized motor driver chip that integrates single lithium battery charging management and button detection functions;
CX3318B can adjust the charging current by adjusting the external resistance, and has a built-in touch button control mode;
CX3318B has built-in input overvoltage protection, overcharge protection, over temperature protection battery undervoltage protection, motor stall and short circuit protection;
CX3318B built-in battery low battery prompt;
CX3318B is a single section lithium-ion motor driver dedicated chip with minimal application, excellent performance, and stability;
Characteristic:
Input working voltage: DC5.0V ± 0.5V
Input overvoltage protection: ≥ DC 6.2V
Less than 2uA static power consumption
Programmable charging current up to 600mA
Constant voltage, constant current charging, and maximum set current charging in a non overheated environment.
4.20V preset charging voltage with accuracy of+1%
Charging current monitoring output for battery level detection
Charging and working status indicator pins
0.1C charging termination
3.0V Trickle charging version
Supports 0V battery charging
Supports both charging and discharging
Ultra simple application circuit
Output short circuit protection, overheat protection, input overvoltage protection, battery undervoltage protection, and motor stall protection
SOP-8L packaging form
Application:
Shavers, hair clippers, hair trimmers
Electric toothbrush
Motor products powered by a single lithium battery