Nexperia has introduced its latest high-efficiency step-down DC-DC converters, providing exceptional design flexibility and performance across a wide range of applications. With industry-leading low quiescent current and innovative features, these converters cater to both consumer and industrial needs, including wearables, medical sensors, IIoT devices, and smart meters.
High-Efficiency Converters with Wide Input Voltage Range
The NEX30606 and NEX40400 converters deliver low output ripple, high efficiency, and exceptional versatility, making them suitable for numerous applications.
NEX30606: Optimal for Wearables and Battery-Powered Devices
The NEX30606 step-down converter is designed to provide precision and efficiency in compact, battery-driven systems. Key features include:
- Input Voltage Range: 1.8 V to 5.0 V
- Output Current: Up to 600 mA
- Selectable Output Voltages: 16 resistor-settable options
- Industry’s Lowest Operating Quiescent Current: 220 nA
- High Switching Efficiency: >90% for load currents from 1 mA to 400 mA
- Low Output Ripple: 10 mV when stepping down from 3.6 V to 1.8 V
These characteristics make the NEX30606 ideal for wearable consumer devices like hearing aids, medical sensors, and patches. It also supports battery-powered industrial applications, including smart meters, asset tracking, and narrow-band IoT (NBIoT) devices.
NEX40400: High Efficiency for Industrial and Consumer Applications
The NEX40400 combines high efficiency with a wide input voltage range, making it a versatile choice for industrial distributed power systems and consumer white goods. Key specifications include:
- Input Voltage Range: 4.5 V to 40 V
- Output Current: Up to 600 mA
- Quiescent Current: 60 μA (typical)
- Low Shutdown Supply Current: 0.3 μA
- PFM Mode: Enhances efficiency at low to mid loads
- Spread Spectrum Technology: Minimizes electromagnetic interference (EMI)
With its superior efficiency—up to 8% higher than competing solutions under low to mid loads—the NEX40400 is particularly suited for grid infrastructure applications, such as smart electricity meters, and battery-powered home appliances.
Automotive Applications on the Horizon
Nexperia is also preparing to launch an AEC-Q100 qualified version of the NEX40400 later in 2025. This automotive-grade variant will be optimized for critical in-vehicle applications, including:
- Body electronics and lighting
- In-vehicle infotainment (IVI) systems
- Advanced driver assistance systems (ADAS)
- Instrument clusters, cameras, and displays
Enhancing Design Flexibility and Efficiency
The NEX30606 and NEX40400 converters exemplify Nexperia’s commitment to delivering innovative, energy-efficient power solutions. By combining low quiescent current, high efficiency, and a wide input voltage range, these converters offer design engineers the flexibility they need to meet the demands of modern devices in consumer, industrial, and automotive sectors.
With these new solutions, Nexperia continues to drive advancements in power management, helping engineers create more reliable, energy-efficient systems that maximize battery life and minimize power consumption.
