TMC4671 is based on hardware FOC servo motor control chip for BLDC/PMSM, etc.

  

   TrinaMIC MOTION CONTROL, the world's leading embedded motion control company, 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 DC brushless motors, permanent magnet synchronous motors, 2-phase stepper motors, DC brush motors and voice coil motors.

All control functions are integrated into the hardware. Integrated ADCs, position sensor interface, position difference, this full-featured servo controller for a wide range of servo applications.

Function introduction:

-            Servo control chip, space magnetic field 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 stepper servo motor, DC brush and voice coil motor

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

-            Application SPI+ Debug ( UART , SPI)

-            Pulse/direction interface

Performance description:

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

- Torque control mode

- Speed ​​control mode

- Position control mode

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

 

●Control function / PI controller

- Interim result input and output programmable chopping

- Protect all controls with the end of the integration circuit

- Programmable Voltage Cycle Wizard Limiter

- Feedforward compensation and feedforward friction compensation for target values

- 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

● Motion control and slope control

- Trapezoidal speed ramp of the control structure

- Pulse/ direction interface for easy positioning

●Supported motor types

- FOC3: Three-phase permanent magnet synchronous servo motor (PMSM)

- FOC2: Two-phase stepper motor

- DC1: DC brush motor or linear voice coil motor

● ADC engine with offset correction and scaling

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

- Integrated △∑ interface for external △∑ adjustment

 

  ●Location feedback

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

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

- Second digital encoder input (double feedback)

- Digital Hall input interface with temporary position interpolation (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, velocity and target torque filtering (double order)

●PWM includes SVPWM

- Programmable PWM frequency range from 20KHz to 100KHzn

- Programmable BBM (Brake-Before-Make) time (lower, higher) 0 ns . . . 2.5 _ s in 10 ns step and gate drive input signal

- PWM auto-tuning for changing the PWM frequency during motion

 

●SPI communication interface

- 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)

 

●TRINAMIC real-time monitoring interface (SPI Master)

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

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

- Advanced controller supports adjustment using the TRINAMIC IDE with frequency response recognition and advanced auto-tuning support

 

● UART debug interface

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

- Easy register access parallel to Embedded User Application Interface (SPI)

 

●Power supply voltage: 5V and 3.3V; 1.8V VCC_CORE is generated internally

 

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

 

● Clock frequency: 25MHz (requires external oscillator)

 

●Package: QFN76

TMC4671 controls stepper motor, DC brushless servo, permanent magnet synchronization, voice coil motor wiring

 

 

Development board: Landungsbrücke

“Landungsbrü cke ” is the connection between your computer and the Trinamic chip solution. Simply connect the board combination you need and start discovering the unique features of Trinamic.

At the heart of Landungsbrücke is the Freescale MK20 leather M4 processor. A 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 . At the heart of Landungsbr ü cke is the Freescale MK20 leather M4 processor.   A 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 TMC4671 synchronous control. All motor control of the whole system is completed by TMC4671. The MCU only needs a simple 8-bit AVR microcontroller.

About Trinamic

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

  

Reflective Switches

Reflective Switches,Microwave Pin Diode,High Frequency Switch,High Frequency Switching Transistor

Chengdu Zysen Technology Co., Ltd. , https://www.zysenmw.com