MAX15046CAEE+T

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The MAX15046CAEE+T is a monolithic, dual-channel, inverting buck-boost switching regulator controller, designed to support applications that require input voltage capability above, below, and beyond the normal operating supply range. It is a highly efficient device, capable of providing up to 6A of continuous output current. This device operates from a wide input voltage range of 4.5V to 24V. It has two output channels with adjustable voltage from 0.8V to 6V. The MAX15046CAEE+T is a versatile regulator controller that can be used in numerous applications, from power management and motor control to precision voltage regulation and LED lighting.

Application Field

The MAX15046CAEE+T can be used in a wide range of applications, including power management, motor control, precision voltage regulation, LED lighting, communications, and automotive applications.

• In the field of power management, the MAX15046CAEE+T can be used in high current step-up converters, battery management systems, and hot swap controllers. It is capable of providing up to 6A of continuous output current, making it ideal for high current applications.
• In the field of motor control, the device can be used in electric vehicle battery chargers and induction heating applications. The MAX15046CAEE+T is capable of controlling switched current, making it suitable for motor control applications.
• In the field of LED lighting, the device is capable of providing adjustable illumination in LED lighting systems. It can also be used for current monitoring in LED drivers.
• In the field of communications, the device is capable of providing up to 6A of continuous output current for powering routers and other communication devices.
• In the automotive field, the device can be used for fuel-level monitoring, and power management of ECU and other devices.

Working Principle

The MAX15046CAEE+T operates by controlling the on-time and the off-time of a pair of MOSFETs in a buck-boost configuration. The device has a synchronous boost controller, with an adjustable frequency of 250kHz to 750kHz. The output voltage is controlled and regulated by monitoring the voltage across a sense resistor (RSense). If the voltage across the sense resistor is below the target voltage setting, the MOSFETs on-time is increased, thus increasing the output voltage. Conversely, if the voltage across the sense resistor is above the target voltage setting, the MOSFETs off-time is increased, thus decreasing the output voltage.

The device is equipped with numerous features that are designed to improve the efficiency, reduce the operating losses and extend the system lifetime. These features include soft-start, behavior-based switching, and over-temperature protection. The MAX15046CAEE+T also provides 1.5% accuracy of the peak current and ±1.0% accuracy of the output voltage in the steady-state operation.

The MAX15046CAEE+T is a highly efficient device, with a typical efficiency of 90%. It is available in a small QFN 10x10 package, making it suitable for space-constrained applications, such as portable and wearable devices.

Conclusion

The MAX15046CAEE+T is a versatile regulator controller, capable of efficient control of a wide range of applications, from power management and motor control to precision voltage regulation and LED Lighting. It is equipped with numerous features that are designed to improve efficiency and reduce operating losses. It is available in a small package, making it suitable for space-constrained applications.

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