The Journey of Motor Control

Key Visual Journey of Motor Control

Showcasing Toshiba's adjacent system building blocks and components for overall coverage of motor control solutions for Industrial (Robotics) and Automotive.

Industrial I Solutions

Brushed Motor Driver - Lowest standby power consumption

Ultra-low standby current consumption

  • Only 1µA standby current
  • Wide operating voltage range down to 4.5V
  • Enables 2nd sourcing strategies due to industry standard package and pinout

Key products:  TB67H450AFNG  TB67H451AFNG

MIKROE ClickboardTM TB67H450AFNG    

MIKROE ClickboardTM TB67H451AFNG   

Check for more: Download TB67H450FNG press release (Predecessor)

Product portfolio Brushed DC Motor Drivers 

 Features Advantages Benefits
  • Automatically controlled isolated voltage regulator
  • Wide operating voltage range
  • Industry standard package and pinout
  • Ultra-low standby current of only 1µA
  • Automatic control of standby mode
  • Can operate at only 4.5V
  • Existing boards and circuits may be reused
  • Extended battery lifetime
  • Less development effort and cost
  • Usable for USB powered devices
  • Allows multi-product sourcing strategies

Brushless DC Motor Control

Constant rotational speed via closed-loop speed control

  • Fast regulation of speed fluctuations caused by changes in power supply voltage and torque load
  • No external MCU required due to embedded non-volatile memory
  • No speed control software development required
  • Intelligent Phase Control detects the motor current phase and feeds back the information for auto lead angle control (see video)

Key products:

TC78B025FTG  MIKROE ClickboardTM TC78B025FTG

TC78B027FTG  MIKROE ClickboardTM TC78B027FTG

 Features Advantages Benefits
  • Closed-loop speed control
  • Embedded non-volatile memory
  • Automatic lead angle optimization
  • Support for 1 and 3 hall sensor motors
  • Integrated or external power stage
  • Uniform rotation speeds up to tens of thousands RPM
  • No development of control software required
  • No external MCU required
  • Reduces current consumption by up to 20% across the entire speed range
  • Only initial lead angle optimization necessary
  • Scalable power stage
  • Ideal for mission critical applications that i.e. require a constant cooling performance
  • Reduced development time and cost
  • Reduced Bill-of-Material
  • Eco-friendly
  • Faster Time-to-Market

MCU Motor Studio

MCU  Motor Studio firmware image

MCU Motor Studio features a PC Tool and motor control firmware dedicated to the TXZ+™ Family Advanced Class microcontrollers from Toshiba. The motor control firmware is scalable, fully configurable and supports the special motor functions of the Family Advanced Class TXZ+™ M4K Group. MCU Motor Studio together with the Clicker 4 MCU board and the Clicker 4 Inverter Shield from MikroElektronika (MIKROE) allows quick and easy MCU evaluation, BLDC motor application development and prototyping.
The first release version is for M4K Group, and Toshiba plans to expand the supported microcontroller.

Stepper Motor Control

Precice and efficient control of linear motion systems

  • High accuracy and low noise by 128 micro step mode
  • High flexibility by SPI control, 1024 mico steps option
  • Highest efficiency by low RDS(ON), 0.48 Ohm and 0.1uA standby current

Key product:

TB67S128FTG

MIKROE ClickboardTM TB67S128FTG

TC78H670FTG

MIKROE ClickboardTM TC78H670FTG

 Features Advantages Benefits
  • 128 μSteps
  • Active Gain Control (AGC)*1
  • Advanced Dynamic Mixed Decay (ADMD)*2
  • Ultra-silent operation
  • Less vibrations
  • Very high energy efficiency
  • Reduced heat generation
  • Prevention of step loss and stall
  • High rotational speeds
  • No shunt resistors required
  • High accuracy of current measurement
  • Enhanced user experience
  • Reduced energy cost
  • Eco-friendly
  • Longer lifetime of motor
  • Less cooling cost and effort
  • High reliability
  • Enables new use cases
  • Reduction in Bill-of-Material     

*1) Active Gain Control optimizes the drive current to suit  the required torque. It´s a Toshiba technology that prevents stalls and realizes power savings.
*2) Advanced Dynamic Mixed Decay automatically optimizes the switching control of fast decay and slow decay modes to secure high speed rotation. It´s a Toshiba original mixed decay technology.

Videos about Active Gain Control

Cordless Power Tool Reference Design

Power Tool Reference Model
Power Tool Reference Model

Compact, efficient and flexible control for Brushless DC (BLDC) motor based power tools

The reference design combines Toshiba’s highly efficient low-voltage MOSFET devices with Toshiba’s dedicated motor control MCU and thus provides a very compact but flexible platform for the control and drive of BLDC motors in power tools. The Motor current is generated by a 3-phase inverter with 200W output power stage using the Toshiba TPH1R204PB low-voltage MOSFET. This device features industry-leading RDS(ON) in a 5×6mm SOP Advanced package and provides low spike generation helping to prevent EMI effects. 

Main PCB
•    Compact form factor (60 x 50 mm)
•    3-phase inverter, 200W output stage
•    Speed control switch
•    Pilot lamp

* sofware currently under development

Key products:

TPH1R204PB High Efficient LV MOSFET

TC75W58FK Comparator

 

 Features Advantages Benefits
  • 12 to 24 V input voltage
  • 200 W output power
  • ±20A average current
  • ±60A maximum peak current
  • U-MOS IX-H series MOSFET TPH1R204PB for the output stage
  • 3-shunt current measurement with over current detection circuit
  • Self-Power Off Circuit
  • Hall sensor Interface
  • Compact high power density design
  • Flexible platform: sensor or sensorless motor control*
  • Low spike TPH1R204PB device with low conduction, output charge and switching losses
  • System cost saving due to sensorless control*
  • Higher efficiency, lower power consumption leads to longer operation time
  • Quiet and smooth operation
  • Fast prototyping, proof of concept, shorter development times      

* optional support

Board picture & block diagram

Picture from 60 x 50 mm main PCB
60 x 50 mm main PCB
Picture of blockdiagram of Power tool reference model
Blockdiagram of Power tool reference model
Picture of Switching wavefrom graphic
Switching wavefrom graphic
Picture of TPH1R204PB Low Spike Feature
TPH1R204PB Low Spike Feature
Picture of Block diagram MCU
Sensorless Speed Control by Field Oriented Control (FOC)* and advanced software algorithm supported by built-in Vector Engine

* Optional support

Automatic Guided Vehicle Reference Model (AGV)

Inverter for 3-phase motor drive and MCU for BLDC servo motor control

  • Inverter for three 3-phase brushless DC motors, up to 750W each
  • AGV moving with three omni wheels of 203mm diameter
  • Line tracing through infrared sensor system

Key products:

TMPM4MNFYAFG 160MHz Motor MCU

Low-Voltage TPH2R408QM MOSFET | U-MOS X-H

Toshiba SCiBTM   battery

 Features Advantages Benefits
  • Ultra low on-resistance MOSFET
  • MCU with built-in accelerators for Field-oriented-Control (FoC)
  • Low drive losses (RDS (ON) × Qg) & switching losses (RDS (ON) × QSW)
  • Control of three 3-phase BLDC motors with hall sensor, resolver or rotary encoder 
  • High efficient and energy saving inverter
  • High precision servo motor control, 3 channel by single MCU    

Picture of reference board

Automatic Guided Vehicle - Picture of board

Servo Drive Reference Model for Multi-Channel Motor Control

Robot ARM as demo system

  • Robot arm movement by single MCU controlling 3 motors
  • Inverter drives 3-phase BLDC motors, 200W power stage

Key products:

TMPM4KNFYADFG Motor MCU (160MHz)

MIKROE ClickerTM 4 MCU board

Low-Voltage TPW3R70APL MOSFET | U-MOS IX 

M4K Motor Control MCU Series

TLP2370 coupler  TCR3DM33 LDO  TC7QPB9307FK level shifter

 Features Advantages Benefits
  • MCU with built-in Vector Engine (VE), PWM, ADC and Encoder interface
  • Ultra low RDS(ON) of just 3.7mΩ
  • Vector control of up to 3 BLDC servo motors by a single MCU
  • Flexible and modular platform
  • High efficient & precise motor control solution with a quick start to the implementation of advanced servo motor control system       

Industrial I Components

TXZ+ Family - Passion for Motor Control


Toshiba’s TXZ+™ microcontroller takes performance to the next level. Complementary Toshiba original IP together with various useful peripheral functions add value for multi-axis motor control like AGVs and Servo Drives and data processing applications.

Morover system performance is increased and software development effort reduced. Manufactured in a modern 40nm CMOS process and equipped with 32-bit Arm® Cortex® processor cores the devices consume approximate 30% less power than Toshiba’s previous microcontroller generation.

Dual-Channel H-bridge Motor Driver IC with PWM Control

This driver dissipates considerably less heat

Based on the company`s latest generation DMOS process, the TC78H660FNG driver can deliver a PWM-controlled current of 2A (maximum), meeting the modern requirements of mains, 5V USB and battery-powered equipment. Running off a 2.5V to 16V input supply voltage, it can drive two brushed DC motors or a single stepper motor

It comes with acompact 5.0mm x 6.4mm TSSOP16 package. Finally the TC78H660FNG driver is suitable for a broad spectrum of potential applications - such as mobile devices running off a 3.7V Li-Ion battery and 5V USB-powered equipment, as well as 12V-rated household appliances. 

Features Advantages Benefits
  • Advanced Current Detection System (ACDS)
  • Ultra-low standby current: 0.1µA
  • Small Package
  • ACDS eliminates the need for costly and bulky shunt resistors on the PCB
  • Ultra-low standby current conserves battery power
  • Small package allows usage in space restricted applications
  • Reduced Bill-of-Material (ACDS, built-in regulator)
  • Long battery lifetime (Ultra-low standby current)
  • Small PCB size (ACDS, built-in regulator, small package)

Sensorless sine-wave motor control featured by three-phase BLDC pre-driver

Press image for TB78B011FTG

Precise setting of a speed profile can be programmed into the built-in non-volatile memory (NVM)

The TC78B011FTG incorporates a sine-wave drive method reducing vibration and noise. Its sensorless design saves the space and cost of a Hall sensor and the built-in closed loop speed control regulates and maintains the motor’s rotational speed during dynamic power supply fluctuations and load variations without requiring an external microcontroller (MCU). The P-WQFN36-0505-0.50-001 package has a footprint of just 5mm x 5mm and a height of 0.8mm and is intended for a broad variety of consumer applications including 3D printers, cameras, security cameras, portable printers, handheld scanners, pico-projectors and battery powered medical devices.

Features Advantages Benefits
  • Sensorless sinusoidal drive
  • Built-in closed-loop speed control with NVM based setting
  • Integrated gate driver with 8 selectable levels of gate drive current
  • Sinusoidal control reduces vibrations and noise
  • Regulates motor speed during torque load changes
  • Offers flexible choice of external MOSFETs and allows adjusting the FET slew 
  • Rotor position is detected by the induced voltage. No hall sensor and less cabling required
  • Constant rotational speed during dynamic power supply fluctuations and load variations without requiring an external microcontroller (MCU)

40V/2.0A constant current stepper MCD without external sense resistor

Press image for TB67S359FTG

High level of integration reduces the need for PCB space significantly

The  TB67S539FTG extend the excellent lineup of Toshiba´s stepping motor driver ICs. Based upon Toshiba’s latest BiCD process, the device is capable of driving bipolar stepping motors at voltages up to 40V and currents up to 2.0A. The current detector is integrated within the QFN32 package (5.0mm x 5.0mm) and removes the need for an external current sense resistor. The device is suited for wide range of constant current control stepper motor applications (office automation, commercial and industrial equipment, plus surveillance cameras and projectors). 

Features Advantages Benefits
  • RDS(ON) of just 0.8 Ohm.
  • Advanced Current Detect System (ACDS) for resistor-less constant current control
  • 5.0mm x 5.0mm QFN32 package 
  • Constant current motor control without an external current sense resistor
  • Bipolar stepping motor drive up to 40V, 2.0A
  • Reduced PCB space and component count as no external current sense resistor or external gate drive capacitor needed
  • Maximum current (IM1) of 1mA in sleep mode offers reduced power consumption

Automotive I Solutions

DC Motor Controller For Wing Mirrors With Integrated Current Monitor

Device offers highly efficient operation

Integrated DC motor drivers for automotive applications can be found in a variety of automotive application fields. Featuring a 1 channel H-Bridge with integrated MOSFETs, Toshiba’s TB9051FTG (MIKROE ClickboardTM TB9051FTG) is able to drive up to 28V and 5A to the attached motor. It can be used e.g. inside an automotive grade door mirror, controlling the motorized fold and open of the mirror. Besides the device is also suitable for applications such as electronic throttle and valve control. It is AEC-Q100 qualified and uses various built-in failure detection features for functional safety. These include over current, over heat, low voltage and high voltage detection circuits. TB9051FTG offers  a compact P-QFN28 package (6mm × 6mm), well suited for small mounting boards.

Stepper Motor Driver - Head-up Display Mirror Control

Head-up-Display Motor Control Demo
Head-up-Display Motor Control Demo

Stepping motor driving IC

  • A projector emits Head-up Display typical information content
  • The light-beam is reflected to an upwards oriented screen
  • A stepper motor controlled mirror moves the content up/downcontrol)

Key product:

TB9120AFTG

MIKROE ClickboardTM

Check for more:

Press release TB9120AFTG

Stepper Motor Driver Flyer

 Features Advantages Benefits
  • Generates up to 32 micro steps
  • Supplies 1A output power
  • Provides stall detection function
  • Low ON resistance (0,7Ohm)
  • No external voltage regulator needed
  • Supports high operating temperature up to 125°C
  • Good heat dissipation
  • Silent motor operation and precise positioning
  • Low Bill of Material cost
  • Easy thermal design

Automotive I Components

10A H-Bridge Drivers

Press picture TB9053/54FTG

Configurable in 2 x 5A Dual-Channel Mode

Qualified according to AEC-Q100 Grade 1, TB9053* and TB9054* (TB9053/54FTG Datasheet) integrate two separated 5A H-bridge channels to directly drive DC brushed motors. 10A 1-channel motor drive is possible when both channels are configured to operate in parallel. Motors can be controlled in real-time either by conventional PWM signals or by SPI, daisy-chain mode is also supported. The SPI interface is also used for advanced diagnosis as well as device parametrization.  Various failure detection mechanisms ensure a safe system operation.

* Under development; Samples available on request

Applications

•    ETC (Engine Throttle Control)
•    EGR (Exhaust Gas Recirculation)
•    Power mirror folding
•    Lid actuator for rear-view camera or OBC socket

 

•    Grill shutter control
•    Seat adjustment
•    Power door opening & closing
•    Shift-by-wire actuators
•    Small fans

Features Advantages Benefits
  • 2-channel 5 A H-Bridge, supporting 1-channel 10 A mode
  • 290 mΩ path-resistance @ Tj=150 °C
  • H-Bridge control via PWM and SPI
  • Thermal enhanced package version (TB9053TG)
  • SPI daisy-chain support and SPI motor real-time control
  • Integrated dual H-Bridge with lower power dissipation
  • No external passive components necessary for operation
  • Less BOM items and cost
  • Smaller PCB design, meeting customer system constraints
  • Less qualification efforts due to reduced No. of components

Automotive BLDC pre-driver IC supporting ASIL-D

Device can address a broad range of safety-critical in-vehicle applications

TB9083FTG is intended for use with the numerous brushless DC (BLDC) motors being featured in modern automotive designs and is designed in accordance with ISO 26262 (2nd edition) and supports up to ASIL-D level functional safety. Among its key applications are electric power steering systems (EPS), electric braking and shift-by-wire transmissions. The TB9083FTG driver IC is housed in a small P-VQFN48-0707-0.50-005 package that measures just 7.0mm x 7.0mm (resulting in a 66% reduction in footprint compared Toshiba’s previous generation product). 

Features Advantages Benefits
  • Supporting digital and analog BIST
  • 3 additional gate drivers for safety relays
  • Operating temperature up to Ta=150°C
  • Complies with the highest safety level ASIL-D
  • Saves external gate-driver & operational amplifier devices
  • Less system cost due to high integration level
  • Simplifies the functional safety design & saves thereby design-in time and cost 
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