What happened
STMicroelectronics unveiled the STM32G5, an Arm Cortex-M33-based mixed-signal microcontroller running at 280MHz with twice the processing performance of the STM32G4 series, now in mass production at about $1.0340 per unit for 10,000 pieces.
Why it matters
The doubled processing performance and new peripherals aim to enable more efficient power supplies in AI data centers and higher-precision motor control in robotics, according to ST.
WHO IT HITSThis launch matters for embedded systems engineers and procurement teams designing power supplies for AI data centers, motor control for humanoid robots, and industrial applications, who gain a higher-performance option at a stated unit price.
Summaries like this, every morning.
STMicroelectronics positions the STM32G5 as a successor to its STM32G4 series, doubling processing performance with an Arm Cortex-M33 core at 280MHz. The new series introduces a 12-channel high-resolution timer, a programmable logic array called PLAy, and enhanced analog peripherals, which ST says help device makers implement precise algorithms for digital power and motor control. In AI data centers, rack power consumption is approaching 1MW and peak power at the largest facilities could exceed 2GW by 2030, according to the company. The STM32G5's high-resolution timer is designed to support wide-bandgap semiconductors like SiC and GaN, enabling dynamic reconfiguration of power supply units as server load fluctuates. For humanoid robots, ST notes that a single hand may carry up to 20 motors, and the microcontroller's features aim to enable rapid response and more sensor integration. The STM32G5 is now in mass production with flash memory from 64KB to 512KB and packages from QFN32 to LQFP128, supported by the STM32CubeMX2 tool and a dedicated development ecosystem.
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