component

TB6641FTG

Public Made by Adom

by adom

TOSHIBA Motor Driver ICs, VQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentpower management icstb6641ftgfactory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
Download ZIP Propose a change
Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 16d ago
viewers tb6641ftg: viewers · Ray 16d ago
package.json Publish 0.1.0 · Ray 16d ago
page.json Set visibility: public · Ray 16d ago
README.md Publish 0.1.0 · Ray 16d ago
tb6641ftg-etched.glb Publish 0.1.0 · Ray 16d ago
tb6641ftg-etched.step tb6641ftg: factory component page (tier=mfr) · Ray 16d ago
tb6641ftg-hero.glb tb6641ftg: hero GLB from the etched model (keeps the MPN mark) · Ray 16d ago
tb6641ftg-hero.overlay.json Publish 0.1.0 · Ray 16d ago
tb6641ftg.glb Publish 0.1.0 · Ray 16d ago
tb6641ftg.kicad_mod Publish 0.1.0 · Ray 16d ago
tb6641ftg.kicad_sym Publish 0.1.0 · Ray 16d ago
tb6641ftg.lbr Publish 0.1.0 · Ray 16d ago
tb6641ftg.step Publish 0.1.0 · Ray 16d ago

TB6641FTG

TOSHIBA · Motor Driver ICs · VQFN-32-EP(5x5)

TB6641FTG from TOSHIBA, in a VQFN-32-EP(5x5). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 OUT1 output Output pin 1 to the motor; short to pin 2 externally.
2 OUT1 output Output pin 1 to the motor; short to pin 1 externally.
3 N.C. unconnected No-connect pin.
4 RSGND power_in Power ground and detection resistor pin for PWM constant-current control; short to pin 5 externally.
5 RSGND power_in Power ground and detection resistor pin for PWM constant-current control; short to pin 4 externally.
6 N.C. unconnected No-connect pin.
7 OUT2 output Output pin 2 to the motor; short to pin 8 externally.
8 OUT2 output Output pin 2 to the motor; short to pin 7 externally.
9 N.C. unconnected No-connect pin.
10 N.C. unconnected No-connect pin.
11 VM power_in Power supply voltage pin (operating range 10 to 45 V); short to pin 12 externally.
12 VM power_in Power supply voltage pin (operating range 10 to 45 V); short to pin 11 externally.
13 N.C. unconnected No-connect pin.
14 N.C. unconnected No-connect pin.
15 VREG power_out Regulator output pin, 5 V typ., output current up to 5 mA.
16 N.C. unconnected No-connect pin.
17 TISD passive Resistor pin for overcurrent detection time control (10 kΩ gives 1.6 μs typ., 100 kΩ gives 12.4 μs typ.).
18 PWM input PWM input pin; logic low 0.8 V max, high 2 V min, up to 100 kHz.
19 VREF power_in Supply voltage pin for PWM constant-current control, input range 0 to 3.6 V.
20 N.C. unconnected No-connect pin.
21 N.C. unconnected No-connect pin.
22 ALERT output Open-drain error detection output, low in normal operation and high-impedance on UVLO, TSD, VSD or ISD; needs external pull-up.
23 OSC passive Capacitor pin setting the oscillation frequency for PWM constant-current control, fosc = 0.42/(Cosc×10^3) Hz typ.
24 IN1 input Control signal input pin 1; logic low 0.8 V max, high 2 V min.
25 N.C. unconnected No-connect pin.
26 SGND power_in Small signal ground pin; short to pin 27 externally.
27 SGND power_in Small signal ground pin; short to pin 26 externally.
28 N.C. unconnected No-connect pin.
29 N.C. unconnected No-connect pin.
30 N.C. unconnected No-connect pin.
31 IN2 input Control signal input pin 2; logic low 0.8 V max, high 2 V min.
32 N.C. unconnected No-connect pin.
33 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer TOSHIBA
Package VQFN-32-EP(5x5)
Category Power Management ICs
Pins 33

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Power supply current Stop mode ICC1 3 8 mA Stop mode, Ta=25°C, VM=24 V 7
Power supply current CW/CCW mode ICC2 3 8 mA CW/CCW mode 7
Power supply current Short Brake mode ICC3 3 8 mA Short Brake mode 7
Input voltage high VINH 2 5.5 V IN1, IN2, PWM pins 7
Input voltage low VINL 0 0.8 V IN1, IN2, PWM pins 7
Input hysteresis voltage VIN(HYS) 0.4 V IN1, IN2, PWM pins 7
Input current high IINH 50 75 μA VIN = 5 V 7
Input current low IINL 5 μA VIN = 0 V 7
VREF pin input current IINVREF -3 3 μA 7
Constant-current control amplifier offset VOFFSET 1 mV RSGND = VREF 7
PWM frequency fPWM 100 kHz Duty: 50 % 7
PWM minimum pulse width fPWM (TW) 1 μs given as a guide only 7
Output ON resistance RON (U + L) 0.55 0.9 Ω IO = 3 A 7
Output leakage current upper IL (U) -2 μA VM = 50 V, VOUT = 0 V 7
Output leakage current lower IL (L) 2 μA VM = VOUT = 50 V 7
Diode forward voltage upper VF (U) 1.3 1.7 V IO = 3 A 7
Diode forward voltage lower VF (L) 1.3 1.7 V IO = -3 A 7
ALERT output low voltage VAL (LO) 0.4 V IALERT = 1 mA 7
ALERT output leakage current IAL (LE) 2 μA VALERT = 5.5 V 7
OSC charge/discharge current IOSC 0.3 0.5 0.7 mA 7
VREG pin output voltage Vvreg 4.5 5 5.5 V VREG= - 5mA 7
Power supply voltage VM 50 V Ta=25°C 6
Output voltage VO 50 V OUT1, OUT2 6
Output current 1 IO peak1 4.5 A VM ≤ 36 V 6
Output current 2 IO peak2 4 A VM > 36 V 6
Input voltage VIN -0.3 5.5 V 6
ALERT pin output voltage VALERT 5.5 V 6
ALERT pin output current IALERT 5 mA 6
VREG pin output current Ivreg 5 mA 6
Power dissipation (TB6641FTG) PD2 3 W On PCB, four layer JEDEC 6
Operating temperature Topr -40 85 °C 6
Storage temperature Tstg -55 150 °C 6
Supply voltage VMopr 10 45 V 6
OSC frequency fosc 500 kHz Up to 6
VREF pin input voltage VREFopr 0 3.6 V 6
PWM frequency fPWM 100 kHz Up to 6
Output current average IO (Ave.) 1.5 A Up to, given as a guide 6
Thermal resistance junction-ambient (TB6641FTG) Rth (j-a) 41.3 °C/W On PCB, four layer board based on JEDEC standard 8

CAD (KiCad official)

  • Symbol: TB6641FTG
  • Footprint: Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.3x3.3mm
  • 3D model: VQFN-32-EP(5x5) (KiCad packages3D, STEP)
  • 3D model files: tb6641ftg-etched.step / tb6641ftg-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tb6641ftg.step / tb6641ftg.glb are the bare package body.

Provenance

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

  • Datasheet: TOSHIBA datasheet (23 pp, sha256 5f04c5e169ddeb68, retrieved 2026-10-23, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (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