BD9009HFP-TR

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PMICs, or power management Integrated Circuits, are becoming increasingly popular in modern systems. A PMIC, or a Voltage Regulator, performs the task of regulating the current and voltage output from various power sources, ensuring consistent and reliable power for the system. A DC-DC Switching Regulator is a type of voltage regulator that uses pulse-width modulation (PWM) to convert an input voltage to a higher or lower output voltage, while maintaining a steady output current based on the needs of the system.

The BD9009HFP-TR is a type of DC-DC Switching Regulator designed and manufactured by ROHM Semiconductor, specifically designed for use in automotive, industrial and consumer markets. This PMIC takes in input voltages ranging from 9V to the regulation voltage output back to the system, making it suitable for various battery chemistries, including lithium-ion, lead-acid and alkaline. It can provide up to 8A of output current for single cells, as well as up to 16A for dual cells.

The BD9009HFP-TR is also capable of high efficiency, capable of operating at high frequencies up to 2MHz. This makes it ideal for use in applications that require high frequency switching and fast response times. It can also regulate the output voltage at a wide variety, which makes it suitable for a variety of systems. The low quiescent current, low ripple, and low parasitic capacitance of the BD9009HFP-TR makes it an excellent choice for portable and automotive applications.

Speaking of applications, the BD9009HFP-TR is ideal for use in computers, automotive displays, LED lighting, power tools, and more. It is also ideal for use in applications that require high efficiency and low-noise operation. This is due to its PWM-based voltage regulation and low ripple voltage, allowing for smooth operation and longer battery life.

When it comes to the BD9009HFP-TR’s working principle, the device works by utilizing pulse-width modulation to convert the input voltage and current to a regulated output. This is accomplished by using an internal power MOSFET switch in combination with a low-ripple zero-current detection scheme. When the device is enabled, the output voltage is regulated by applying an appropriate PWM pulse. This pulse is then modulated at a fixed or variable frequency according to the input voltage. The PWM signal is then filtered, and opposed with the feedback voltage, so that the output voltage remains stable.

The BD9009HFP-TR is a powerful and highly efficient DC-DC Switching Regulator from ROHM Semiconductor. This device provides an output current range of up to 8A and 16A for single and dual cells, respectively. Its PWM-based regulation combined with low ripple voltage allows for smooth and continuous operation, making it ideal for a variety of different applications. Combined with its low quiescent current and low parasitic capacitance, the BD9009HFP-TR can provide reliable and efficient power to many different systems.

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