marutsu TB67S128FTG Instruction Manual Download Page 6 | Manualshive

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marutsu TB67S128FTG Instruction Manual Download Page 6

Setting evaluation board 2

Setting chopping frequency of the constant current of the motor

Waveform of motor current

Charge

Fast

Slow

COSCM

Chopping frequency (fchop)

Formula of setting chopping frequency

fOSCM [MHz] = 4.0 x ROSC [kΩ]

(-0.8)

fchop = fOSCM / 16

COSC = 270 pF (fix)
Mounted components are as follows;
Capacitor (OSCM=270 pF)
Resistor (ROSCM=5.1 kΩ)

ROSCM

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Summary of Contents for TB67S128FTG

Page 1: ...Instruction manual for Evaluation Board TB67S128FTG December 20th 2018 Rev 1 0 ...

Page 2: ...possible with PWM constant current drive Please sense low noise and low vibration drive of stepping motors applying the TB67S128FTG Note In using please be careful about the thermal condition sufficiently As for each control signal please refer to the IC specification by accessing to the below URL https toshiba semicon storage com us product linear motordriver detail TB67S128FTG html Further the a...

Page 3: ...nnection to evaluation board Two phase bipolar type Stepping motor Power supply VM 10 V to 47 V Reference voltage for motor current setting VREF 0 V to 3 6 V VM GND VREF for Phase A Phase B CLK STANDBY ENABLE LO0 LO1 ...

Page 4: ...C NC NC NC NC NC NC NC NC NC NC NC NC NC DATA STANDBY LATCH BANK_EN NC NC NC NC NC LO0 LO1 Two phase bipolar type Stepping motor Power supply VM 10 V to 47 V Reference voltage for motor current setting VREF 0 V to 3 6 V VREF for Phase A Phase B ...

Page 5: ...stor mode please remove solder from short round of RS1 and RS2 And please mount external current sense resistor on R_RSA and R_RSB When uses VCC voltage for generating VREF please add dividing voltage resistors to mounting area of R_VREF2 and R_VREF1 ACDS RS resistor less mode RS_SEL Low GAIN_SEL Low Iout max 1 56 x VREF V GAIN_SEL High Iout max 0 78 x VREF V External sense RS resistor mode RS_SEL...

Page 6: ...rrent of the motor Waveform of motor current Charge Fast Slow COSCM Chopping frequency fchop Formula of setting chopping frequency fOSCM MHz 4 0 x ROSC kΩ 0 8 fchop fOSCM 16 COSC 270 pF fix Mounted components are as follows Capacitor OSCM 270 pF Resistor ROSCM 5 1 kΩ ROSCM ...

Page 7: ...id Switches of 5 Tilting downward Low level Tilting upward High level Middle position Neutral The input signal from the pins is valid Switch of 2 Four states can be selected by this rotary switch Position 1 Connecting to GND Position 2 Connecting to GND through a resistor of 100 kΩ Position 3 Connecting to VDD through a resistor of 100 kΩ Position 4 Connecting to VDD Switch of 3 Short to leftward ...

Page 8: ...Circuit of evaluation board ...

Page 9: ... Building 7F Sotokanda Chiyoda ku Tokyo 101 0021 Japan Tel 81 3 6803 0209 FAX 81 3 6803 0213 This product was not designed for use with devices which could cause personal injury in the event of failure or malfunction including devices for use in areas including medical military aviation aerospace nuclear control other types of safety mechanisms etc or for use in devices which require a high standa...

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