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空調及輔助高壓DC-DC轉換器

Climate Control IconIn regular ICE vehicles additional loads were driven directly by the engine, either through belts or, for agricultural vehicles, a power takeoff shaft. These include the water and hydraulic pumps, air and A/C compressor, and alternator. In an EV cabin heating must be provided as waste heat from the engine is no longer available.

When moving to an electric vehicle, these loads must be powered electrically. Due to the high-power levels (kW’s) it is lower cost and more efficient to utilize the HV system voltage to do this.

Auxiliary HV DC-DC converters provide the low voltage supply rails from the, up to 950 V, HV system voltage for the control electronics driving each of these modules. In addition, there are other applications such as contactor control and on-board convenience inverters (for 120/240 VAC outlets) which are also powered from the HV system.

Both non-isolated buck and flyback and reinforced isolated flyback solutions from Power Integrations are ideal here, providing very low part count and small footprint solutions.

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相關產品

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產品
產品規格型錄
拓撲結構
電壓等級
說明
Topology Flyback, Secondary Side - FluxLink Regulated
Power Level 100 W
Description

內含整合式 750 V、900 V及1700 V開關和 FluxLink 回授的 CV/CC QR 返馳式切換開關 IC,適用於汽車應用

Topology Non-Isolated Flyback, Buck/Boost/Buck-Boost
Power Level 850 mA
Description

可供汽車使用的高度節能型切換開關 IC,具備低元件數電源供應器的整合式系統級保護

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