BEV advancements are driving sales, but vehicle safety and reliability will ensure long-term viability
Innovative power architectures using power modules provide power redundancy and improve overall safety and system performance By Patrick Kowalyk, Automotive FAE,Vicor
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A full brick package developed by TDK-Lambda, the PF1500B-360, is for high voltage distributed power architectures
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The input voltage ranges from 2.5 to 5.5V and the output voltage from 0.8 to 3.6V (standard voltage settings exist), with a switching frequency of 3.0MHz and a circuit system which employs synchronous rectification.
The operating mode uses HiSAT-COT control characterised by its transient response and which allows either PWM control or PWM/PFM automatic switching control to be selected depending on the application. PWM control suppresses output ripple voltage to a low level, while PWM/PFM automatic switching control achieves high efficiency over all load ranges.
The XDL601/XDL602 series complies with AEC-Q100 Grade 2, at an operating temperature range of -40 to 105°C. The converters are supplies in a compact DFN3625-11A package, measuring 3.6 x 2.5 x 1.6mm. The package uses a wettable flank structure with fillets at the sides of the terminal, allowing automatic visual inspections of solder joints.
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