U6809B-MFL Allicdata Electronics
Allicdata Part #:

U6809B-MFL-ND

Manufacturer Part#:

U6809B-MFL

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: Microchip Technology
Short Description: IC FAILSAFE W/RELAY DRVR 20-SOIC
More Detail: Automotive PMIC 20-SOIC
DataSheet: U6809B-MFL datasheetU6809B-MFL Datasheet/PDF
Quantity: 1000
1 +: 0.00000
Stock 1000Can Ship Immediately
$ 0
Specifications
Series: --
Packaging: Tube 
Part Status: Obsolete
Applications: Automotive
Current - Supply: --
Voltage - Supply: 4.5 V ~ 5.5 V
Operating Temperature: -40°C ~ 125°C
Mounting Type: Surface Mount
Package / Case: 20-SOIC (0.295", 7.50mm Width)
Supplier Device Package: 20-SOIC
Base Part Number: U6809B
Description

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The U6809B-MFL is a Vertical Field-Oriented Motor Control (FOC) integrated circuit (IC) forbrushless DC (BLDC) motors that provides an all-in-one solution for high-performance motor control. The FOC algorithm provides a precise and robust motor control, enabled by the devices’ advanced digital-signal-processing (DSP) capabilities. The U6809B-MFL is ideal for use in applications requiring precise motor control with minimized system complexity, such as electric tools and medical devices.

The U6809B-MFL belongs to the Power Management IC (PMIC) family and is specialized in Power Management applications. As such, it is designed to minimize power losses and maximize energy efficiency. This is accomplished by integrating the FOC algorithm and discrete MOSFET gate drivers into a single IC package. This eliminates the need for complex motor control boards and increases overall system efficiency.

The U6809B-MFL is designed to operate in either surface-mounting, SMD, or through-hole, TH, packages. It has a wide voltage range, from 4V up to 30V, making it suitable for a variety of applications. The U6809B-MFL also features integrated fault-control protection, diagnostic functions, and communication interface capabilities making it ideal for use in sophisticated applications.

The U6809B-MFL’s working principle is based on the FOC algorithm, which is implemented as a 32-bit digital signal processor (DSP). The FOC provides a precise and efficient motor control by accurately calculating control variables such as the stator voltage, rotor speed, and current. The algorithm also controls the motor and its load by determining the optimal motor speed and torque to produce maximum efficiency.

At the core of the U6809B-MFL is the FOC algorithm which is tailored for controlling BLDC motors and is based on a three-phase sinusoidal control waveform. The algorithm controls the current in each motor phase, which generates torque and changes the speed of the motor. The three-phase waveforms are used to regulate the rotational speed of the motor by controlling the on/off states of the motor’s winding phases.

In order to control the motor’s speed and torque precisely, the U6809B-MFL integrates a Sensorless Field Oriented Control (FOC) algorithm that acquires the motor’s position and speed signals from its stator output voltage. This eliminates the need for an encoder or Resolver required by other motor control circuits, reducing cost and design complexity.

The U6809B-MFL also incorporates an advanced digital-signal-processing (DSP) core and on-chip gate drivers for controlling both the motor’s winding current and the power MOSFETs. This allows for precise motor control, high accuracy, and high-speed performance by enabling efficient control of the FETs.

The U6809B-MFL also offers a variety of features and functions, including integrated diagnostics and safety features such as Over-Current Protection (OCP), Over-Voltage Protection (OVP), Over-Temperature Protection (OTP), and Undervoltage protection (UVP). The device also includes an RS232 serial port for easy configuration and monitoring, as well as support for common communication protocols such as MODBUS and CAN.

Overall, the U6809B-MFL is an advanced motor control integrated circuit designed for use in a variety of applications. It is specialized in Power Management applications and provides an efficient and precise solution for controlling brushless DC motors. The integrated FOC algorithm and digital signal processors provide accurate and robust motor control while integrated gate drivers enable efficient control of power MOSFETs.

The specific data is subject to PDF, and the above content is for reference

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