The A3903 is a low voltage bidirectional DC motor driver with a typical input voltage range of 3 to 5.5 V and output currents up to 500 mA.是什么意思_The A3903 is a low voltage bidirectional DC motor driver with a typical input voltage range of 3 to 5.5 V and output currents up to 500 mA.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句