R2J20602 PWM芯片,来自于瑞萨科技(Renesas Technology),首次出现在ATI原厂卡上,其作用是可以将PWM,Driver以及MOS三者整合在一颗芯片里,以前ATI原厂卡上负责Driver和MOS的通常是Volterra的VT1195S,PWM得由其它芯片承担,而瑞萨的这颗R2J20602 PWM芯片相当于以往的VT1165M+两颗VT1195S.实际上Volterra的VT238与R2J20602非常类似,但VT238只有一相,而R2J20602能提供两相供电. |
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