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High-Performance Power Management: Meet the ET3164 Single Channel Load Switch
2026/04/30 Managing power distribution in modern electronics requires more than just a simple on/off toggle. You need precision, protection, and the ability to handle high currents without breaking a sweat. If you are looking for a robust solution for your next hardware project, the ET3164 offers a compelling combination of power density and customizable control.
The ET3164 is a sophisticated single channel load switch designed to streamline how power reaches your downstream components. Built around a high-efficiency N-channel MOSFET, this single channel load switch operates across a wide input voltage range of 0.1V to 5.5V. This versatility makes it an ideal single channel load switch for everything from low-voltage handheld gadgets to more demanding industrial modules.
Why Choose This Single Channel Load Switch?
When you integrate a single channel load switch into your circuit, your primary goal is often to reduce “inrush current.” This occurs when a device is first powered on and draws a massive spike of electricity that can damage sensitive parts.
• The ET3164 solves this by allowing you to configure the “rise time,” ensuring controlled power ramp-up.
• Ensures power builds up smoothly rather than causing a sudden surge that can stress the system
Furthermore, this single channel load switch is a powerhouse:
• Supports a continuous current of up to 10A despite its compact QFN10 package
• Maintains stability in harsh environments
• Operating temperature range: -40°C to +125°C
• Designed for both peak performance and long-term reliability
Advanced Control and Safety Features
The ET3164 is designed for easy integration with your main processor. The “ON” pin is compatible with low-voltage GPIO signals (VIH = 0.8V), meaning you can trigger the single channel load switch directly from a standard microcontroller without needing extra level-shifting components.
• ON pin supports low-voltage GPIO control with a VIH threshold of 0.8V
• Direct connection to standard microcontrollers without level shifting
• Simplifies system-level power control design
One standout feature of this single channel load switch is the Quick Output Discharge (QOD) pin. When the switch is turned off, the QOD function uses an external resistor to quickly drain any remaining energy from the output. This ensures that your load is truly “off” when you want it to be. You can even adjust the fall time (tf) to meet your specific timing requirements.
• Quick Output Discharge (QOD) pin for fast energy removal after shutdown
• External resistor-based configuration for flexible control
• Ensures true OFF-state by fully discharging output
• Adjustable fall time (tf) for timing optimization
To keep your system informed, the single channel load switch includes a Power Good (PG) signal. This signal acts as a green light, informing the rest of your system that the main MOSFET is fully turned on and ready to drive the load. Combined with integrated thermal shutdown protection, the switch prioritizes the safety of your entire PCB.
• Power Good (PG) signal indicates that the MOSFET is fully turned on and stable
• Provides system-level power state monitoring
• Integrated thermal shutdown protection for enhanced safety
• Improves overall PCB reliability and protection
Simple Integration and Pin Layout
Integrating the ET3164 into your design is straightforward. The typical application circuit requires only a few external components, such as a bias capacitor (CBIAS) and timing resistors, to fully customize the behavior of the single channel load switch.
The QFN10 layout is optimized for high-current paths. By utilizing multiple pins for VIN (Pins 2 and 3) and VOUT (Pins 7 and 8), the single channel load switch minimizes resistance and heat buildup. The CT pin (Pin 9) allows you to set your desired slew rate, while the GND (Pin 5) and VBIAS (Pin 1) provide the stable foundation your power rail needs.
Summary of Specifications
• Input Voltage Range: 0.1V to 5.5V
• Max Continuous Current: 10A
• Package Type: QFN10
• Operating Temperature: -40°C to +125°C
• Control Signal: GPIO Compatible (VIH = 0.8V)
Optimize Your Design with ETEK
If you are ready to enhance your power management strategy, this solution is the professional choice for efficiency and protection. ETEK provides high-quality semiconductor solutions that meet the rigorous demands of today’s tech industry.
Contact ETEK today to request samples or view the full technical datasheet for the ET3164 single channel load switch. Let ETEK help you power your next innovation with confidence and reliability.
Request samples: https://www.etekmicro.com/sample/
