BD9401FM-E2

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BD9401FM-E2 Application Field and Working Principle

BD9401FM-E2 is a highly specialized power management integrated circuit (PMIC) designed to meet the needs of advanced system applications. The PMIC integrates many power supply and control functions which enable system level suppliers to achieve higher levels of integration, higher efficiencies, and to realize maximum system performance with the most minimal form-factor solutions. BD9401FM-E2 simplifies the management of the entire power supply chain with consistent load line accuracy and low output noise.

Features of BD9401FM-E2

BD9401FM-E2 device offers some of the best features available in power management ICs:

• A highly efficient 3.3V output step down DC/DC power supply
• Integrated system load current detection
• Integrated power-on reset (POR) circuitry
• Selectable input operating range from 3V to 12V
• High-speed regeneration for fast system response
• Integrated internal temperature monitor
• Integrated power consumption measurement
• Integrated input and output current monitoring
• Integrated N-channel MOSFET with fast rise/fall times
• Integrated voltage regulation for improved system stability
• Integrated over-voltage protection for system level protection
• Integrated under-voltage protection for system level protection

Applications of BD9401FM-E2

BD9401FM-E2 is an ideal fit for a variety of applications, including:

• Automotive
• IoT and Industrial
• Physical Security
• Building and Home Automation
• Data Center
• Robotics and AI
• Cloud Computing
• Smart Lighting
• Communications

Working Principle of BD9401FM-E2

The BD9401FM-E2 PMIC is designed to efficiently manage the power supply of complex and/or distributed systems, such as those found in automotive, industrial and other applications. The device is configured to respond to a variety of power-related events in the system, such as input under-voltage, over-voltage, or insufficient load current. The device integrates the required power control functions to respond to and protect the system, as well as to boost the available output power. The integrated MOSFET provides a fast response time to changes in system conditions, while the selectable input operating range offers flexibility in meeting various system requirements.

The device includes integrated control loops to provide load-line accuracy and low output noise. The control loops are also designed to optimize power efficiency and to provide dynamic stability. The integrated temperature sensor is utilized to dynamically adjust the voltage and current levels for improved efficiency and system performance. The control loop also continuously monitors the operating temperature to maintain maximum performance and safety.

The BD9401FM-E2 also includes fault detection circuitry to respond to system errors and faults. If a fault is detected, the device will shut down the power delivery and inhibit the output voltage, preventing any subsequent damage to system components. The fault detection circuitry includes under-voltage, over-voltage, and input current detection.

Conclusion

The BD9401FM-E2 is a specialized PMIC that combines many power supply and control functions, enabling system suppliers to achieve higher levels of integration, higher efficiencies, and to realize maximum system performance. BD9401FM-E2 is an ideal solution for applications which require fast response times and improved power efficiency. The device integrates an array of features to provide consistent load line accuracy, low output noise, and maximum system protection. The integrated temperature monitor and power consumption measurements are further advantages in meeting tight system designs.

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