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    • 10. 发明授权
    • Power supply controller having analog to digital converter
    • 电源控制器具有模数转换器
    • US08310220B2
    • 2012-11-13
    • US12461655
    • 2009-08-19
    • Hideyuki TakahashiYoshimi Matsumoto
    • Hideyuki TakahashiYoshimi Matsumoto
    • G05F1/40
    • H02M3/157H02M1/36H02M2001/0012H03M1/182
    • A power supply controller includes an analog to digital (A/D) converter that performs analog-digital conversion of an output voltage and outputs a digital signal, a deviation signal generator unit that generates a deviation signal from the digital signal and a standard voltage value serving as an output voltage target value, and a power controller unit that controls the output voltage based on the deviation signal. The power supply controller includes a conversion range setting unit that sets a range of the reference voltage into the A/D converter based on a first signal as the digital signal in a power supply startup period, and sets the reference voltage range into the A/D converter based on a second signal as the deviation signal or as a signal corresponding to the deviation signal in a steady state period.
    • 电源控制器包括对输出电压执行模数转换并输出数字信号的模数(A / D)转换器,从数字信号产生偏差信号的偏差信号发生器单元和标准电压值 用作输出电压目标值,以及功率控制器单元,其基于偏差信号来控制输出电压。 电源控制器包括转换范围设置单元,其基于作为电源启动时段中的数字信号的第一信号将参考电压的范围设置为A / D转换器,并将参考电压范围设置为A / D转换器基于第二信号作为偏差信号,或者作为与稳定状态时段中的偏差信号相对应的信号。