BD6712AF-E2

Technology:	Power MOSFET
Base Part Number:	BD6712
Supplier Device Package:	8-SOP
Package / Case:	8-SOIC (0.173", 4.40mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-35°C ~ 150°C (TJ)
Voltage - Load:	3.5 V ~ 6.5 V
Voltage - Supply:	3.5 V ~ 6.5 V
Current - Output:	40mA
Applications:	Fan Motor Driver
Step Resolution:	--
Series:	--
Interface:	Parallel
Output Configuration:	Half Bridge (2)
Function:	Driver - Fully Integrated, Control and Power Stage
Motor Type - AC, DC:	Brushless DC (BLDC)
Motor Type - Stepper:	--
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

The BD6712AF-E2 is an integrated power management integrated circuit (PMIC) used to control and regulate power in various applications. It offers many features to help designers realize their goals in terms of energy efficiency, system robustness, and cost optimization. This article analyzes the application field and working principle of the BD6712AF-E2 in the context of motor drivers and controllers.

Application Field of the PMIC

The BD6712AF-E2 is a hardware solution for motor-control applications. It is designed to provide power-management functions to manage the output load in motor-driver applications. It is capable of driving a wide range of motor-driver applications including simple motor-speed applications, DC motor-drive applications, and multifunctional motor-control systems. The BD6712AF-E2 features high efficiency and low power loss, making it an ideal choice for automotive motor-control solutions where cost and system size are critical. The BD6712AF-E2 can be used in a variety of motor-control applications, including stepper motor applications, DC motor applications, and brushless DC (BLDC) motor applications. It is recommended for use in applications that require the capability to separately control different phases of a motor with varying speeds and torque. The device is also well suited for applications that demand dynamic control of motor\'s speed and torque such as electric vehicles, utomotive cruise control, and robotics. The BD6712AF-E2 has a wide operating voltage range from 2.5V to 28V and can handle up to 25A continuous output current. It is capable of providing constant current regardless of input voltage fluctuations and has wide temperature range. The integrated monotonic mode includes pulse-width modulation (PWM) and/or linear modulation, as well as soft-start, over-voltage and over-temperature protection.In addition, the device can be integrated with a wide range of sensors and microcontrollers. The integrated PMIC also minimizes EMI and RFI, while the integrated diagnostic system provides real-time monitoring of the system.

Working Principle of the BD6712AF-E2

The BD6712AF-E2 operates using a buck integrated synchronous rectification (MOSFET) that provides a wide range of power-management functions. The integrated buck converter is a self-contained circuit that converts DC voltages from an input to an output voltage. The output voltage can be regulated by varying the duty cycle of the MOSFET transistors. The integrated buck converter also provides integrated power-management functions such as current-loop error-amplification, current-limiting and short-circuit protection. The integrated short-circuit protection prevents over current conditions and eliminates the need for external FETs. The integrated current-limiting circuit limits the current in the system, protecting the system from over currents while improving energy efficiency.The BD6712AF-E2 also includes a voltage regulation and control system. This system uses closed-loop voltage comparators and voltage-reference circuits to provide stable, accurate and fast voltage regulation. This helps extend the system\'s lifetime and decreases temperature and noise, while offering superior performance. The integrated PMIC also includes an integrated monotonic mode controller to provide all-in-one power-management solution. This feature allows users to easily control the power distribution of the system. The monotonic mode controller uses the PWM signal with either linear or PWM modulation. This allows the user to selectively activate different power stages and adjust the current from the power sources.

Conclusion

The BD6712AF-E2 is an integrated power management integrated circuit (PMIC) used for motor drivers and controllers. It offers a wide range of features such as wide operating voltage, current-limiting circuit, short-circuit protection, monotonic mode controller and voltage-regulation and control system. The integrated PMIC also provides EMI and RFI reduction, and a real-time diagnostic system. It is an ideal choice for automotive motor-control solutions where cost and system size are critical.

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