Microcontroller for managing real-time power converters
The SA4011 (IXC) is a mixed signal integrated circuit with analog sensing functions and digital processing. It contains a micro-processor based on a 32-bit
RISC core, a set of peripherals for timing control, inter IC communications, data memory, and general purpose digital inputs and outputs (GPIO).
The SA4011 (IXC) provides the timing information for the power MOSFET / SiC / GaN signal processing and performs functions required for power train.
The control of the DC to AC inversion is based on sampling analog signals from the power train by the voltage sensing block of the SA4011 (IXC). These
signals are then band-limited with anti-aliasing filters and digitized with high resolution A/D converters. Together with signals acquired from the
current sensing block, they form an input to the SA4011 (IXC) control algorithm. The output of this algorithm is a set of signals that control the
power train through the driver timing control block.
Two communications ports to the 32-bit micro-controller are available through the UART interfaces.
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