Abstract: An electronic apparatus having a fingerprint sensing function, including a touch panel, a driving circuit, a fingerprint sensing array, and a fingerprint sensing circuit, is provided. The driving circuit provides a driving signal to the touch panel. The fingerprint sensing array includes multiple sensing units arranged in an array. The fingerprint sensing circuit is coupled to the sensing units on the fingerprint sensing array via multiple sensing data lines, and applies multiple control signals to the sensing units via the sensing data lines. A working frequency of the driving signal is the same as a working frequency of the control signals, and the driving signal is synchronized with the control signals.

Abstract: The invention discloses a bidirectional vehicle-mounted charge and discharge system, which is applied to a vehicle-mounted battery. It is characterized by comprising: an AC/DC conversion module, it is configured to perform AC/DC power conversion; and a DC/DC conversion module, it is coupled to the AC/DC conversion module to stabilize the output voltage and current and charge the vehicle-mounted battery. The AC/DC conversion module and the DC/DC conversion module comprise at least one bidirectional conversion circuit, it is configured to carry out discharge of the vehicle-mounted battery.

Abstract: A voltage converting device includes first to third voltage converters, each including a capacitor, a pair of charge switches for charging the capacitor, a pair of first output switches for outputting a first output voltage through the capacitor, and a pair of second output switches for outputting a second output voltage through the capacitor. Via timing control of the switches, outputs of the first and second output voltages are substantially continuous and are prevented from floating.

Abstract: A voltage converting device includes first to third voltage converters, each including a capacitor, a pair of charge switches for charging the capacitor, a pair of first output switches for outputting a first output voltage through the capacitor, and a pair of second output switches for outputting a second output voltage through the capacitor. Via timing control of the switches, outputs of the first and second output voltages are substantially continuous and are prevented from floating.