交錯式二次側諧振槽串聯諧振轉換器，可改善諧振元件因特性阻抗Zo過小而設計不易之問題。且利用並聯雙組二次側諧振槽串聯諧振轉換器，加上功率開關驅動訊號相移90°的機制，可有效降低輸入電流漣波及選擇規格較低之功率開關元件，而達到節省成本的目的。
　 唯目前並無控制IC係針對交錯式二次側諧振槽串聯諧振轉換器設計，僅能採用其他控制IC搭配外加電路來實現所需之控制訊號，造成電路體積較大且易受雜訊影響，使系統穩定性不佳。本論文將把市售IC與外加電路全部積體化，實現全客製化之交錯式SRC控制晶片。
文中將闡述如何實現交錯式SRC控制晶片，並與市售IC-UC3879[1]及其外加電路做比較。本控制晶片主要利用電壓控制斜波產生電路來產生20k~300kHz振盪頻率，並透過可調式非重疊電路(Non-overlap)來調整功率開關切換時所需之死區時間(Dead Time)，以達成功率開關零電流切換之效能。最後系統規格為輸入電壓12V、輸出電壓200V之2 kW的原型電路，成功驗證了理論分析之正確性與可行性。

The interleaved SRC with a secondary-side resonant tank is used to solve the resonant component design problem caused by small characteristic impedance (Zo). The interleaving operation, comprised two SRCs in parallel with a 90°phase shift between the power MOS gating signals, can not only reduce the input current ripple successfully but also decrease the device ratings for cost saving.
Up to present, there is no control IC specifically designed for interleaved series resonant converter (SRC) with a secondary-side resonant tank. The control circuit can only be realized with other application’s IC and some auxiliary circuits. The problems are large voard area, less immubity to noise and potential system instability. Therefore, a fully customized interleaved SRC control IC is implemented in this thesis to solve all problems mentioned above.
The realization of the controller will be discussed and compared with the commercial IC-UC387 along with its auxiliary circuits in detail. Moreover, a brand new voltage-controlled ramp generator and an adjustable non-overlapped clocking circuit will be presented to achieve 20k~300kHz oscillation frequency and adjustable dead time for zero-current power MOS switching. To ensure the performance of the controller as expected, a 2kW prototype with DC 12V input and DC 200V output is realized and measured to verify the orrectness of the corresponding theoretical analysis and the excellence of the proposed converter.

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