Power Product of the Year
Company Name: Nordic Semiconductor
Product Name: nPM1304
Supporting Statement:
Executive Summary
The nPM1304 Power Management IC (PMIC) is a highly integrated, ultra‑low power solution purpose-built for small battery-powered devices such as smart rings, wearable sensors, and compact IoT products. It combines industry‑first precision fuel gauging optimized for small batteries with advanced system management features in a single, compact device, supporting charging currents as low as 4 mA. By delivering fuel gauge accuracy comparable to dedicated devices, without their power and complexity penalties, the nPM1304 enables longer battery life, simplified system design, and improved reliability. Its high level of integration, flexibility, and efficiency make the nPM1304 a standout innovation.
Product Description and Innovation
The nPM1304 Power Management IC (PMIC) from Nordic Semiconductor represents a significant advancement in power management for small-size, battery-powered products, including smart rings, wearable body sensors, and other ultra-compact IoT devices. Purpose-built for applications with extremely tight power and space constraints, the nPM1304 delivers an unprecedented combination of ultra-low power operation, high integration, and precision battery monitoring, supporting charging currents as low as 4 mA.
Building on the success of Nordic Semiconductor’s award-winning nPM1300 PMIC, the nPM1304 extends Nordic’s leadership in power management by addressing the unique challenges of miniature battery applications where energy efficiency, accuracy, and system simplicity are paramount.
Industry-First Precision Fuel Gauging for Small Batteries
A defining innovation of the nPM1304 is its industry-first ultra-low power precision fuel gauging specifically designed for small battery products. Nordic’s proprietary, algorithm-based fuel gauging method combines real-time voltage, current, and temperature measurements with a sophisticated mathematical battery model to accurately estimate battery state of charge.
This approach delivers accuracy comparable to dedicated fuel gauge devices, such as coulomb counters, while avoiding their typical drawbacks including additional power consumption and error accumulation over time. As a result, designers can achieve highly reliable battery status information without compromising system efficiency or battery life.
Advanced System Management in a Single, Compact Device
The nPM1304 is optimized for maximum efficiency and minimum footprint, integrating system-level power and management functions that are traditionally implemented using multiple discrete components. Through an I²C-compatible Two Wire Interface (TWI), designers gain easy access to a comprehensive set of advanced features, including:
Precision battery fuel gauging
Two-button hard reset functionality
System-level watchdog
Power loss warning
Robust recovery from failed boot scenarios
By consolidating these critical functions into a single compact PMIC, the nPM1304 significantly simplifies system design, reduces bill-of-materials (BOM) cost, and improves overall reliability—key advantages for space-constrained and cost-sensitive designs.
Broad Compatibility and Optimized Performance
The nPM1304 is designed to manage power efficiently for Nordic Semiconductor’s nRF52, nRF53, nRF54L, and nRF54H Series wireless multiprotocol Systems-on-Chip (SoCs), while also supporting a wide range of other microcontrollers. This broad compatibility, combined with its ultra-low power operation and compact integration, makes the nPM1304 a versatile and future-ready solution for next-generation connected products.
Conclusion
With its industry-leading precision fuel gauging, ultra-low power performance, and unmatched system integration, the nPM1304 PMIC sets a new benchmark for power management in small battery-powered devices. By enabling longer battery life, increased design simplicity, and higher product reliability, the nPM1304 exemplifies the innovation, technical excellence, and market impact.
Entry ID: 7540
