Multi-synchronization power supply and ultrasound system with same
A multi-synchronization power supply and an ultrasound system with the same are disclosed. The multi-synchronization power supply includes a microprocessor configured to receive frequency information indicative of a plurality of frequencies and to output a control signal based on the frequency information; a clock signal generating unit configured to receive a reference synchronization clock signal and to generate a plurality of synchronization clock signals corresponding to the plurality of frequencies by frequency-dividing the reference synchronization clock signal based on the control signal; and a plurality of DC-DC converters configured to receive the plurality of synchronization clock signals and a reference DC voltage, and to generate a plurality of DC voltages from the reference DC voltage based on the plurality of synchronization clock signals.
1. A multi-synchronization power supply comprising:
a microprocessor configured to receive frequency information indicative of a plurality of frequencies and to output a control signal based on the frequency information;
a clock signal generating unit configured to receive a reference synchronization clock signal and to generate a plurality of synchronization clock signals corresponding to the plurality of frequencies by frequency-dividing the reference synchronization clock signal based on the control signal; and
a plurality of DC-DC converters configured to receive the plurality of synchronization clock signals and a reference DC voltage, and to generate a plurality of DC voltages from the reference DC voltage based on the plurality of synchronization clock signals.
2. The multi-synchronization power supply of claim 1 , wherein the frequency information comprises the plurality of frequencies in one-to-one correspondence with the plurality of DC-DC converters.
3. The multi-synchronization power supply of claim 2 , wherein the microprocessor is configured to generate the control signal for sequentially generating the plurality of synchronization clock signals based on the frequency information.
4. The multi-synchronization power supply of claim 1 , wherein each of the plurality of DC-DC converters comprises:
a controller configured to generate a pulse signal for controlling generation of a DC voltage among the plurality of DC voltages, based on a synchronization clock signal among the plurality of synchronization clock signals; and
a control switch configured to generate the DC voltage from the reference DC voltage based on the pulse signal.
5. The multi-synchronization power supply of claim 1 , wherein each of the plurality of DC-DC converters further comprises a low pass filter for filtering the DC voltage.
6. The multi-synchronization power supply of claim 1 , further comprising a reference DC voltage generating unit configured to generate the reference DC voltage from an input power source.
7. An ultrasound system comprising:
the multi-synchronization power supply according to claim 1 ,
an ultrasound diagnosis device configured to be driven by the plurality of DC voltages generated by the multi-synchronization power supply and to provide the multi-synchronization power supply with the reference synchronization clock signal and the frequency information.
8. The ultrasound system of claim 7 , wherein the ultrasound diagnosis device comprises:
a control unit configured to generate the frequency information based on at least one of ultrasound probes or diagnosis modes; and
a reference synchronization clock signal generating unit configured to generate the reference synchronization clock signal.