component
TB67S128FTG
Public Made by Adomby adom
TOSHIBA Stepper Motor Driver, VQFN-64-EP(9x9). Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownTB67S128FTG
TOSHIBA · Stepper Motor Driver · VQFN-64-EP(9x9)
TB67S128FTG from TOSHIBA, in a VQFN-64-EP(9x9). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | TESTO_1 | output | Test output pin No.1 |
| 2 | TESTO_2 | output | Test output pin No.2 |
| 3 | TESTO_3 | output | Test output pin No.3 |
| 4 | SGND | power_in | Logic ground pin, connect to PCB ground pattern |
| 5 | OSCM | passive | Internal oscillator frequency monitor and setting pin, RC network connection for chopping frequency 0.64 MHz to 2.4 MHz |
| 6 | CLIM0 | input | AGC current limiter setup pin No.0, logic input VIH 2.0-5.5V VIL 0-0.8V |
| 7 | CLIM1 | input | AGC current limiter setup pin No.1, multi-state logic input VIH 2.0-5.5V VIL 0-0.8V |
| 8 | FLIM | input | AGC frequency limiter setup pin, multi-state logic input VIH 2.0-5.5V VIL 0-0.8V |
| 9 | BST | input | AGC current boost setup pin, multi-state logic input VIH 2.0-5.5V VIL 0-0.8V |
| 10 | VREF | power_in | Current threshold reference pin, analog input 0V-3.6V for motor current setting |
| 11 | IF_SEL | input | Interface select pin, logic input L=CLK mode H=Serial mode |
| 12 | RS_SEL | input | RS mode select pin, logic input L=ACDS mode H=External RS resistor mode |
| 13 | NC | unconnected | No connection pin |
| 14 | VCC | power_in | Internal regulator voltage monitor pin, 4.75V-5.25V supply voltage |
| 15 | LTH | passive | AGC threshold setup pin, connect with 100kΩ pull-down resistor to GND |
| 16 | TEST_VF | output | Test monitor output pin for 3Vf internal voltage |
| 17 | NC | unconnected | No connection pin |
| 18 | RS_A | passive | Ach current sense resistor connection pin or motor power ground pin, connect same pins together on PCB |
| 19 | RS_A | passive | Ach current sense resistor connection pin or motor power ground pin, connect same pins together on PCB |
| 20 | NC | unconnected | No connection pin |
| 21 | OUT_A+ | output | Ach motor output(+) pin, motor winding phase A positive connection |
| 22 | OUT_A+ | output | Ach motor output(+) pin, motor winding phase A positive connection |
| 23 | OUT_A- | output | Ach motor output(-) pin, motor winding phase A negative connection |
| 24 | OUT_A- | output | Ach motor output(-) pin, motor winding phase A negative connection |
| 25 | OUT_B- | output | Bch motor output(-) pin, motor winding phase B negative connection |
| 26 | OUT_B- | output | Bch motor output(-) pin, motor winding phase B negative connection |
| 27 | OUT_B+ | output | Bch motor output(+) pin, motor winding phase B positive connection |
| 28 | OUT_B+ | output | Bch motor output(+) pin, motor winding phase B positive connection |
| 29 | NC | unconnected | No connection pin |
| 30 | RS_B | passive | Bch current sense resistor connection pin or motor power ground pin, connect same pins together on PCB |
| 31 | RS_B | passive | Bch current sense resistor connection pin or motor power ground pin, connect same pins together on PCB |
| 32 | NC | unconnected | No connection pin |
| 33 | VM | power_in | Motor power supply input pin, 6.5V-44V DC motor supply voltage |
| 34 | VM | power_in | Motor power supply input pin, 6.5V-44V DC motor supply voltage |
| 35 | NC | unconnected | No connection pin |
| 36 | CPOUT | output | Charge pump output pin, boosted supply voltage 11.2V-48.7V |
| 37 | CP+ | passive | Charge pump capacitor connection pin, connect 0.022μF ceramic capacitor |
| 38 | CP- | passive | Charge pump capacitor connection pin, connect 0.22μF ceramic capacitor |
| 39 | GND | power_in | Power ground pin, connect to PCB ground pattern and solder thermal pad |
| 40 | GND | power_in | Power ground pin, connect to PCB ground pattern and solder thermal pad |
| 41 | GND | power_in | Power ground pin, connect to PCB ground pattern and solder thermal pad |
| 42 | MDT0 | input | Mixed Decay/ADMD setting pin No.0, logic input for decay mode control |
| 43 | MDT1 | input | Mixed Decay/ADMD setting pin No.1, logic input for decay mode control |
| 44 | TORQE0 | input | Torque setting pin No.0, logic input for motor torque 10-100% |
| 45 | TORQE1 | input | Torque setting pin No.1, logic input for motor torque 10-100% |
| 46 | TORQE2 | input | Torque setting pin No.2, logic input for motor torque 10-100% |
| 47 | AGC | input | Active Gain Control setup pin, logic input L=AGC OFF H=AGC ON |
| 48 | NC | unconnected | No connection pin |
| 49 | MODE0 | input | Excitation setting pin No.0, logic input for step resolution select |
| 50 | MODE1 | input | Excitation setting pin No.1, logic input for step resolution select |
| 51 | MODE2 | input | Excitation setting pin No.2, logic input for step resolution select full/half/quarter/1/8/1/16/1/32/1/64/1/128 step |
| 52 | CLK | input | Step clock input pin, 50kHz-200kHz digital input for step control |
| 53 | CW/CCW | input | Current direction setup pin, logic input L=Counter-clockwise H=Clockwise |
| 54 | STANDBY | input | Standby mode control pin, logic input L=Standby mode H=Normal operation |
| 55 | ENABLE | input | Motor output ON/OFF control pin, logic input L=Hi-Z mode H=Normal operation |
| 56 | RESET | input | Electrical angle initialize pin, logic input with 0.625μs digital filter |
| 57 | GAIN_SEL | input | Vref Gain setting pin, logic input L=1/5 gain H=1/10 gain |
| 58 | EDG_SEL | input | CLK edge setting pin, logic input L=Single edge H=Dual edge detection |
| 59 | TESTI_1 | input | Test input pin No.1, internal test signal input |
| 60 | TESTI_2 | input | Test input pin No.2, internal test signal input |
| 61 | TESTI_3 | input | Test input pin No.3, internal test signal input |
| 62 | LO0 | tri_state | Error detection flag output pin No.0, open-drain output needs 10-100kΩ pull-up |
| 63 | LO1 | tri_state | Error detection flag output pin No.1, open-drain output needs 10-100kΩ pull-up |
| 64 | MO | output | Electrical angle monitor pin, outputs motor electrical angle with pull-up resistor to VCC |
| 65 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TOSHIBA |
| Package | VQFN-64-EP(9x9) |
| Category | Motor Driver ICs |
| Pins | 65 |
CAD (KiCad official)
- Symbol:
TB67S128FTG - Footprint:
Package_DFN_QFN:QFN-64-1EP_9x9mm_P0.5mm_EP6x6mm - 3D model: VQFN-64-EP(9x9) (KiCad packages3D, STEP)
- 3D model files:
tb67s128ftg-etched.step/tb67s128ftg-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tb67s128ftg.step/tb67s128ftg.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TOSHIBA datasheet (49 pp, sha256
e2c69861b4cc17dc, retrieved 2026-09-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).