BD9B600MUV-E2

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BD9B600MUV-E2 DC DC Switching Regulators

BD9B600MUV-E2 is a 4-phase interleaving synchronous buck converter, which is developed by ROHM Semiconductor. It is designed to manage not just the power systems in general, but also to provide active power management circuits, such as voltage regulators, DC/DC switches, light engine controllers and dc motor controllers, etc. The device is ideal for various sequencing applications like light engine controllers and multi-phase converters where 5V to 25V output voltage with high efficiency is required.

Application Field

BD9B600MUV-E2 can be used for a range of applications, ranging from industrial applications to consumer electronic products. As a 4-phase interleaving synchronous buck converter, it is well-suited for any light engine controllers, display backlighting systems, and dc motor controllers. The design principle of this device enables adjustable output voltage and a widened input voltage, allowing it to be used in a wide range of products. Moreover, by using low RDSON power stage of this device, the overall efficiency of the system can be improved. Consequently, the device also finds its application in consumer electronic products like power adapters, digital cameras, printers and automotive systems.

Working Principle

The BD9B600MUV-E2 utilizes an integrated high-efficiency 4-phase interleaved control circuit, which is embedded with the FET switch array. This circuit can effectively reduce the ON-time of each FET switch. This increases the overall efficiency in terms of current and thermal characteristics. The power stage of this circuit is designed using high-performance MOSFETs, and the output voltage can be adjusted by external resistors. This device also has a wide input voltage range, allowing it to be used in wide range of applications.

Additionally, the BD9B600MUV-E2 is designed to switch with high accuracy, meeting the tight requirements of various high-performance products. The device is designed using advanced non-linear control methods, which helps to reduce the pulse-width modulation noise and reduce the output ripple. It also helps to maintain an efficient and low dissipation switching power supply design.

Moreover, this device includes a unique current sensing circuit. The circuit is designed to monitor the output current and provide feedback to the controller unit, preventing the output current from exceeding a preset limit. This ensures safe operation, and is especially important when the device is used in high-current applications.

Additionally, the BD9B600MUV-E2 features integrated thermal protection, under-voltage lockout and power-on reset circuits. The thermal protection will cut-off the device when it reaches a certain temperature or when there is a fault. On the other hand, the under-voltage lockout and power-on reset circuits will ensure that the device is activated only when the supply voltage is within the specified range and the device is correctly powered on.

Conclusion

By using BD9B600MUV-E2 DC DC Switching Regulators, users can convert a high input voltage and generate a highly efficient output voltage with adjustable level. The device is designed to maintain a high accuracy and low ripple output, allowing it to be used in a wide range of commercial and industrial applications. Moreover, the device also features integrated current sensing and safety features to protect from damages and allow safe operation.

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