MPL-B330P-MJ74AA

由于TEC制冷和發熱的速率和電流的大小有關。為了快速升溫一般幾個帕爾貼級聯，此時需要高于能夠承受10A的電流驅動電路。傳統的TEC控制電路使用分立元件搭建H橋驅動，如圖3所示，這種方案設計復雜，尺寸大，但是能夠承受大電流。高度集成節省布板空間和成本。

TI現推出DRV824X-Q1系列的高集成度直流電機驅動方案，其采用BiCMOS高功率工藝技術，可提供出色的功率處理和熱性能，該系列引腳兼容，一旦完成一個設計，容易擴展到這個系列其他的料號。以DRV8245-Q1為例，該器件作為TEC的H橋控制芯片具有以下優勢。

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