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A Driving Scheme Using a Single Control Signal for a ZVT Voltage Driven Synchronous Buck Converter
Asghari, Amin,Farzanehfard, Hosein The Korean Institute of Power Electronics 2014 JOURNAL OF POWER ELECTRONICS Vol.14 No.2
This paper deals with the optimization of the driving techniques for the ZVT synchronous buck converter proposed in [1]. Two new gate drive circuits are proposed to allow this converter to operate by only one control signal as a 12V voltage regulator module (VRM). Voltage-driven method is applied for the synchronous rectifier. In addition, the control signal drives the main and auxiliary switches by one driving circuit. Both of the circuits are supplied by the input voltage. As a result, no supply voltage is required. This approach decreases both the complexity and cost in converter hardware implementation and is suitable for practical applications. In addition, the proposed SR driving scheme can also be used for many high frequency resonant converters and some high frequency discontinuous current mode PWM circuits. The ZVT synchronous buck converter with new gate drive circuits is analyzed and the presented experimental results confirm the theoretical analysis.
A Driving Scheme Using a Single Control Signal for a ZVT Voltage Driven Synchronous Buck Converter
Amin Asghari,Hosein Farzanehfard 전력전자학회 2014 JOURNAL OF POWER ELECTRONICS Vol.14 No.2
This paper deals with the optimization of the driving techniques for the ZVT synchronous buck converter proposed in [1]. Two new gate drive circuits are proposed to allow this converter to operate by only one control signal as a 12V voltage regulator module (VRM). Voltage-driven method is applied for the synchronous rectifier. In addition, the control signal drives the main and auxiliary switches by one driving circuit. Both of the circuits are supplied by the input voltage. As a result, no supply voltage is required. This approach decreases both the complexity and cost in converter hardware implementation and is suitable for practical applications. In addition, the proposed SR driving scheme can also be used for many high frequency resonant converters and some high frequency discontinuous current mode PWM circuits. The ZVT synchronous buck converter with new gate drive circuits is analyzed and the presented experimental results confirm the theoretical analysis.
Near-DRAM Acceleration with Single-ISA Heterogeneous Processing in Standard Memory Modules
Asghari-Moghaddam, Hadi,Farmahini-Farahani, Amin,Morrow, Katherine,Jung Ho Ahn,Nam Sung Kim IEEE 2016 IEEE micro Vol.36 No.1
<P>THIS ARTICLE PRESENTS A NEAR-DRAM ACCELERATION (NDA) ARCHITECTURE IN WHICH LIGHTWEIGHT PROCESSORS (LWPS) WITH THE SAME ISA AS THEIR HOST PROCESSOR ARE 3D-STACKED ATOP COMMODITY DRAM DEVICES IN A STANDARD MEMORY MODULE TO EFFICIENTLY PROCESS DATA. EXPERIMENTS DEMONSTRATE THAT, ON AVERAGE, THE AUTHORS' NDA-BASED SYSTEM CONSUMES ALMOST 65 PERCENT LESS ENERGY AT NEARLY TWO TIMES HIGHER PERFORMANCE THAN THE BASELINE SYSTEM.</P>