TB9120AFTG - Bipolar stepping motor driver

Toshiba

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Datasheet Details

Part number	TB9120AFTG
Manufacturer	Toshiba ↗
File Size	2.86 MB
Description	Bipolar stepping motor driver
Datasheet	TB9120AFTG-Toshiba.pdf

TB9120AFTG Product details

Description

TB9120AFTG 6.1 Pin Arrangement and Function Description Pin No.1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 - Pin name VccOUT VDD OSCM VREF GND TEST2 SDT RSA OUTAOUTA+ VBAT OUTBOUTB+ RSB CLK TORQUE0 TORQUE1 DMODE0 DMODE1 DMODE2 START BSTBY CW/CCW ENABLE TEST1 MO DIAG SD E-PAD Description 5V output.Connect it to a power smoothing capacitor.5V input.Connect it to VccOUT pin (pin No.1) at the IC outside.Resistor connected pin to set an output PWM frequency Vo

Features

A two-phase bipolar stepping motor can be driven with a single chip.
Adoption of PWM constant-current control.
Built-in a mixed decay mode.
Excitation mode selectable: full, half, quarter, 1/8, 1/16, and 1/32 step.
On-resistance of power MOSFETs: Ron(H+L)=0.8Ω(typ. ).
Input power supply voltage(VBAT): 40V(max).
Maximum output driving current: Overcurrent detection value, 2.0A(typ. ).
Internal voltage 5V(VccOUT).
Anomaly detection functions: Over tempe.

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Published: Apr 29, 2024 |