Voltage divider circuit regarding battery voltage, and associated electronic device equipped with voltage divider circuit

A voltage divider circuit regarding a battery voltage, the voltage divider circuit being positioned in an electronic device, the battery voltage being a voltage of a battery of the electronic device, the voltage divider circuit comprising:

• a first level shifter circuit that operates based on a first power voltage of the electronic device, the first level shifter circuit arranged to receive a plurality of control signals generated in the electronic device, and selectively perform a first level shifting operation on an original enable signal according to respective voltage levels of the plurality of control signals to generate a first enable signal in a voltage domain of the first power voltage, for performing enabling control for the voltage divider circuit;
• a second level shifter circuit that operates based on the battery voltage, the second level shifter circuit coupled to the first level shifter circuit, the second level shifter circuit arranged to receive the first enable signal, and selectively perform a second level shifting operation on the first enable signal according to a voltage level of the first enable signal to generate a second enable signal in a voltage domain of the battery voltage, for performing enabling control for the voltage divider circuit;
• and
• a controlled voltage divider that operates based on the battery voltage, the controlled voltage divider coupled to the second level shifter circuit, the controlled voltage divider arranged to receive the second enable signal, and selectively perform a voltage dividing operation on the battery voltage according to a voltage level of the second enable signal to generate a divided voltage of the battery voltage to be an output of the voltage divider circuit.