Energy Integrations has bundled three-phase BLDC management software program into its Motor-Professional configuration suite for the BridgeSwitch IC household of half-bridge motor drivers. In response to the producer, the hardware-software mixture achieves 98.2% effectivity and reduces board area by greater than 70%. As well as, simply three elements are required for present suggestions circuity, in comparison with 30 elements for discrete designs.
“Conventional three-shunt field-oriented management (FOC) options require costly and hulking operational amplifiers (op-amps) and matching circuity for motor-current sign conditioning,” states Cristian Ionescu-Catrina, senior product advertising supervisor for Energy Integrations. “Our BridgeSwitch built-in half-bridge ICs present lossless present suggestions for the constructive half cycle, and our three-phase FOC software program reconstructs the unfavorable half-cycle present data from information current within the different part present alerts. This eliminates the necessity for expensive and inefficient exterior present sense resistors, op-amps, and matching circuitry and the related complexity.”
The brand new software program provides three-phase FOC to the prevailing library of single-phase code. It permits real-time adjustment of motor pace and torque by way of the Motor-Professional GUI. The code runs on any Arm Cortex-M0 MCU at 48 MHz and doesn’t require a {hardware} accelerator block. It can be ported to different equal MCUs.
The entire BridgeSwitch, Motor-Professional 2.0, and three-phase motor management software program resolution is on the market at present and features a downloadable handbook for the software program structure, APIs, features, calls and variables used within the code. The three-phase motor management code and Motor-Professional 2.0 device are provided as a part of the Motor-Professional suite underneath a free license to be used with BridgeSwitch ICs. Costs for BridgeSwitch ICs begin at $1.69 in 10,000-unit portions of the chipset.
Motor-Professional product web page
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