TMC4671 based on hardware FOC servo motor control chip adapted to BLDC/PMSM etc.

  

   Germany's leading embedded motion control company TRINAMIC MOTION CONTROL will launch its latest servo control chip TMC4671 in the near future

The TMC4671 is a fully integrated servo control chip that provides field oriented control for brushless DC motors, permanent magnet synchronous motors, 2-phase stepper motors, DC brushed motors, and voice coil motors.

All control functions are integrated on the hardware. Integrated ADCs, position sensor interface, position difference, this fully functional servo controller for a variety of servo applications.

-            Servo control chip, Space Magnetic Vector Control (FOC)

-            Torque Control (FOC), Speed ​​Control, Position Control

-            Feedforward control input

-            Integrated ADCs , front-end Δ∑ ADCs

-            Encoder Engine: Analog and Digital Hall, Analog and Digital Encoders

-            Supports three-phase DC brushless servo and permanent magnet synchronous servo motor, 2-phase stepping servo motor, DC brush and voice coil motor

-            Advanced PWM Engine (25KHz...100KHz)

-            Application SPI + Debug ( UART , SPI)

-            Pulse/direction interface

● Servo control chip with magnetic field vector control (FOC)

- Torque control mode

- Speed ​​control mode

- Position control mode

- Current control refresh frequency and maximum PWM frequency is 100KHz (The speed and position control refresh frequency can be configured according to the multiple of the current current refresh frequency)

 

- Input and Output Programmable Chop in Mid-Term Results

- End of integration circuit protects all controls

- Programmable Voltage Loop Wizard limiter

- Feedforward compensation and feedforward friction compensation for the target value

- Advanced feedforward control structure for optimal trajectory tracking performance

- Extended interrupt request masking option and limiter status register

- Advanced encoder initialization algorithm with Hall sensor or/and minimum movement

- trapezoidal speed ramp of the control structure

- Pulse/ direction interface for easy positioning

- FOC3: Three-phase Permanent Magnet Synchronous Servo Motor (PMSM)

- FOC2: Two-phase stepping motor

- DC1: DC brush motor or linear voice coil motor

- Integrated Δ∑ ADCs for current sense voltage, motor supply voltage, analog encoder

- Integrated Δ∑ interface for external Δ∑ adjustment

 

- Open-loop position generator (programmable PRM, RPM/S) for initial configuration

- Digital incremental encoder (ABN, ABZ up to 5MHz)

- Second digital encoder input (dual feedback)

- an input interface with digital Hall temporary location interpolation function (H1, H 2, H 3 resp H U, H V, HW.)

- Analog encoder/analog Hall input interface (SinCos (0°, 90°) or 0°, 120°, 240°)

- Multi-turn position counter (32-bit)

- Target position, speed and target torque filtering (two-stage)

- Programmable PWM frequency range from 20KHz to 100KHzn

- Programmable BBM (Brake-Before-Make) time (low, high) 0 ns . . 2.5 _ s and gate drive input signal within 10ns step

- Automatic PWM adjustment for changing PWM frequency during motion

 

- 40-bit data length (a bits ReadWrite +7 +32 address bits data bits)

- Immediate SPI read response (register read access via a single datagram)

- SPI clock frequency up to 1 MHz (future version is 8 MHz)

 

- Real-time high-frequency sampling of data using TRINAMIC's real-time monitoring system

- Needs a single 10-pin high-density connector on the PCB

- Advanced Controller Supports TRINAMIC IDE Tuning Options via Frequency Response Recognition and Advanced Auto-Tuning

 

- 3-pin (GND, RxD, TxD) 3.3V UART interface (1N8; 9600 (default), 115200, 921600, or 3M bps)

- Easy Register Access Parallel to Embedded User Application Program Interface (SPI)

 

● Supply voltage: 5V and 3.3V; 1.8V VCC_CORE generated internally

 

● IO voltage: 3.3V for all digital I/O ( selectable by VCCIO ); 5V analog input range for interpolation; 3V single-ended input range

 

● Clock frequency: 25MHz (requires external oscillator)

 

● Package: QFN76

TMC4671 control stepper motor, brushless DC servo, permanent magnet synchronous, voice coil motor wiring

 

 

Development Board: Landungsbrücke

"Landungsbrü cke" is a connection between your computer and Trinamic chip solution. Simply connect the desired board combination and start discovering Trinamic's unique features.

The heart of Landungsbrücke is the Freescale MK20 leather M4 processor. The single firmware design covers all evaluation boards of the Trinamic evaluation system. Users can download the latest version, modify the firmware or create their own firmware, and easily update via USB . The core of the Landungsbr ü cke is the Freescale MK20 leather M4 processor.   The single firmware design covers all evaluation boards of the Trinamic evaluation system.   Users can download the latest version, modify the firmware or create their own firmware, and easily update via USB.

The video is the TMC4671 synchronous control. All motor control of the entire system is completed by the TMC4671. The MCU only requires a simple 8-bit AVR microcontroller.

Trinamic is a global leader in embedded motors and motion control. The main products include dedicated motion control integrated chips, smart motor drivers and embedded microsystems. Trinamic 's engineers have decades of experience in solving real-world problems and are dedicated to designing solutions for 3D printing, desktop manufacturing, medical devices, laboratory automation, and surveillance cameras.   

  

Right Angle D-SUB Connector

Description of Right Angle D-SUB Connector

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ShenZhen Antenk Electronics Co,Ltd , https://www.antenk.com