Fuman Power Chip

9017R is a constant current / constant voltage base charging management chip, which is mainly used in a single lithium battery charging. The application circuit does not need external detection resistance, its interior is MOSFET structure, so the need not external reverse diode。 9017R can automatically adjust the charging current at high power and high ambient temperature. Its charging voltage is fixed at 4.2V, and the charging current can be adjusted by an external resistor. When the floating charge voltage is reached and the charging current drops to 1 / 10 of the setting circuit. The 9017R automatically terminates the charging process. After the input voltage is shifted,. 9017R automatically enters low current mode, draws current of less than 5 uA from the battery.equal. When 9017R enters the standby mode, the supply current is less than 70 uA。