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TB67S109AFTG

Public Made by Adom

by adom

TOSHIBA Stepper Motor Driver, VQFN-48-EP(7x7). Datasheet-verified pinout, KiCad symbol/footprint/3D.

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Contents

README

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TB67S109AFTG

TOSHIBA · Stepper Motor Driver · VQFN-48-EP(7x7)

TB67S109AFTG from TOSHIBA, in a VQFN-48-EP(7x7). 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 NC unconnected Non-connection pin; do not route patterns under this pin.
2 CLK input Clock signal input pin; each rising edge shifts motor electrical angle per step resolution.
3 ENABLE input Output stage ON/OFF control pin; logic high enables motor driver, logic low sets output stage to high impedance.
4 RESET input Electric angle reset pin; logic high sets motor electrical angle to initial condition.
5 GND power_in Ground pin; must be mounted to GND area of PCB.
6 NC unconnected Non-connection pin; do not route patterns under this pin.
7 RSA passive Motor A channel current sense pin; external sensing resistor connection for A phase current feedback control.
8 RSA passive Motor A channel current sense pin; must be connected together with pin 7.
9 NC unconnected Non-connection pin; do not route patterns under this pin.
10 OUTA+ output Motor A channel positive output pin; motor phase A positive driver output for voltage range 10V(min) to 47V(max).
11 OUTA+ output Motor A channel positive output pin; must be connected together with pin 10.
12 NC unconnected Non-connection pin; do not route patterns under this pin.
13 NC unconnected Non-connection pin; do not route patterns under this pin.
14 NC unconnected Non-connection pin; do not route patterns under this pin.
15 GND power_in Ground pin; must be mounted to GND area of PCB.
16 OUTA- output Motor A channel negative output pin; motor phase A negative driver output for voltage range 10V(min) to 47V(max).
17 OUTA- output Motor A channel negative output pin; must be connected together with pin 16.
18 GND power_in Ground pin; must be mounted to GND area of PCB.
19 GND power_in Ground pin; must be mounted to GND area of PCB.
20 OUTB- output Motor B channel negative output pin; motor phase B negative driver output for voltage range 10V(min) to 47V(max).
21 OUTB- output Motor B channel negative output pin; must be connected together with pin 20.
22 GND power_in Ground pin; must be mounted to GND area of PCB.
23 NC unconnected Non-connection pin; do not route patterns under this pin.
24 NC unconnected Non-connection pin; do not route patterns under this pin.
25 NC unconnected Non-connection pin; do not route patterns under this pin.
26 OUTB+ output Motor B channel positive output pin; motor phase B positive driver output for voltage range 10V(min) to 47V(max).
27 OUTB+ output Motor B channel positive output pin; must be connected together with pin 26.
28 NC unconnected Non-connection pin; do not route patterns under this pin.
29 RSB passive Motor B channel current sense pin; external sensing resistor connection for B phase current feedback control.
30 RSB passive Motor B channel current sense pin; must be connected together with pin 29.
31 NC unconnected Non-connection pin; do not route patterns under this pin.
32 VM power_in Motor power supply pin; motor power supply voltage input operating range 10V(min) to 47V(max).
33 NC unconnected Non-connection pin; do not route patterns under this pin.
34 VCC power_in Internal VCC regulator monitor pin; regulated supply voltage monitoring, range 4.75V(min) to 5.25V(max).
35 NC unconnected Non-connection pin; do not route patterns under this pin.
36 NC unconnected Non-connection pin; do not route patterns under this pin.
37 NC unconnected Non-connection pin; do not route patterns under this pin.
38 LO tri_state Error detect signal output pin; open-drain output pulled low upon thermal shutdown or over-current detection.
39 DMODE0 input Step resolution select pin no. 0; logic input to select stepping resolution mode (use with DMODE1 and DMODE2).
40 GND power_in Ground pin; must be mounted to GND area of PCB.
41 VREFB passive Motor B channel reference voltage input pin; analog reference voltage for B phase current setting, range 0V to 3.6V.
42 VREFA passive Motor A channel reference voltage input pin; analog reference voltage for A phase current setting, range 0V to 3.6V.
43 OSCM passive Oscillator frequency setting pin; external RC network frequency setting, range 0.64MHz(min) to 2.4MHz(max).
44 CW/CCW input Motor rotation direction control pin; logic high for clockwise operation, logic low for counter-clockwise operation.
45 MO output Motor electrical angle monitor output pin; digital output requiring external pull-up resistor to 3.3V or 5.0V.
46 DMODE1 input Step resolution select pin no. 1; logic input to select stepping resolution mode (use with DMODE0 and DMODE2).
47 DMODE2 input Step resolution select pin no. 2; logic input to select stepping resolution mode (use with DMODE0 and DMODE1).
48 NC unconnected Non-connection pin; do not route patterns under this pin.
49 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer TOSHIBA
Package VQFN-48-EP(7x7)
Category Motor Driver ICs
Pins 49

CAD (KiCad official)

  • Symbol: TB67S109AFTG
  • Footprint: Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.15x5.15mm
  • 3D model: VQFN-48-EP(7x7) (KiCad packages3D, STEP)
  • 3D model files: tb67s109aftg-etched.step / tb67s109aftg-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tb67s109aftg.step / tb67s109aftg.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: TOSHIBA datasheet (32 pp, sha256 19a34485e34f3428, retrieved 2026-09-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-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).

Datasheet PDF