Uploaded March 2026 | Updated September 2026, 2 weeks ago
Tired of wasting power just to measure power? Meet the PAC1721 – an ultra-efficient power monitor for today’s demanding applications. The PAC1721 measures up to 9V with 12-bit resolution, consuming only 90 µA at 1024 samples per second.
Unlike most monitors focused on high-voltage rails (including 26V, 12V or above), PAC1721 is optimized for real-world DC rails. It measures 9V and can be configured for 4.5V, making it ideal for internal rail monitoring in portable electronics, IoT, and battery-powered devices.
PAC1721 maximizes battery life without sacrificing performance and is AEC-Q100 automotive qualified.
Key features:
• Dynamic power scaling achieves 7 µA at 8 samples/sec
• Flexible alert outputs for current, voltage, power, and accumulated values
• Low power consumption for extended battery life
• I2C/SMBus interface for easy integration
Learn more and download the datasheet: microchip.com/PAC1721
Tired of wasting power just to measure power? Meet the PAC1721 – an ultra-efficient power monitor for today’s demanding applications. The PAC1721 measures up to 9V with 12-bit resolution, consuming only 90 µA at 1024 samples per second.
Unlike most monitors focused on high-voltage rails (including 26V, 12V or above), PAC1721 is optimized for real-world DC rails. It measures 9V and can be configured for 4.5V, making it ideal for internal rail monitoring in portable electronics, IoT, and battery-powered devices.
PAC1721 maximizes battery life without sacrificing performance and is AEC-Q100 automotive qualified.
Key features:
• Dynamic power scaling achieves 7 µA at 8 samples/sec
• Flexible alert outputs for current, voltage, power, and accumulated values
• Low power consumption for extended battery life
• I2C/SMBus interface for easy integration
Learn more and download the datasheet: microchip.com/PAC1721










