Tic T834 USB Multi-Interface Stepper Motor Controller (Connectors Soldered)

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Tic T834 USB Multi-Interface Stepper Motor Controller (Connectors Soldered)

Reference: 0104110000070500

Condition: New product

The Tic T834 USB Multi-Interface Stepper Motor Controller makes basic control of a stepper motor easy. The controller supports six control interfaces: USB, TTL serial, I²C, analog voltage (potentiometer), quadrature encoder, and hobby radio control (RC). This version incorporates a TI DRV8834 driver and ships with soldered header pins and terminal blocks. It can operate from 2.5 V to 10.8 V and can deliver up to approximately 1.5 A per phase without a heat sink or forced air flow (or 2 A max with sufficient additional cooling).

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Overview

The Tic family of stepper motor controllers makes it easy to add basic control of a bipolar stepper motor to a variety of projects. These versatile, general-purpose modules support six different control interfaces: USB for direct connection to a computer, TTL serial and I²C for use with a microcontroller, RC hobby servo pulses for use in an RC system, analog voltages for use with a potentiometer or analog joystick, and quadrature encoder for use with a rotary encoder dial.

The table below lists the members of the Tic family and shows the key differences among them.

	Tic T500	Tic T834	Tic T825	Tic T249	Tic 36v4
Operating voltage range:	4.5 V to 35 V⁽¹⁾	2.5 V to 10.8 V	8.5 V to 45 V⁽¹⁾	10 V to 47 V⁽¹⁾	8 V to 50 V⁽¹⁾
Max continuous current per phase (no additional cooling):	1.5 A	1.5 A	1.5 A	1.8 A	4 A
Peak current per phase (additional cooling required):	2.5 A	2 A	2.5 A	4.5 A	6 A
Microstep resolutions:	full half 1/4 1/8	full half 1/4 1/8 1/16 1/32	full half 1/4 1/8 1/16 1/32	full half 1/4 1/8 1/16 1/32	full half 1/4 1/8 1/16 1/32 1/64 1/128 1/256
Automatic decay selection:
Automatic gain control (AGC):
Driver IC:	MP6500	DRV8834	DRV8825	TB67S249FTG	discrete MOSFETs

1 See product pages and user’s guide for operating voltage limitations.

Features and specifications

• Open-loop speed or position control of one bipolar stepper motor

• A variety of control interfaces:

○ USB for direct connection to a computer

○ TTL serial operating at 5 V for use with a microcontroller

○ I²C for use with a microcontroller

○ RC hobby servo pulses for use in an RC system

○ Analog voltage for use with a potentiometer or analog joystick

○ Quadrature encoder input for use with a rotary encoder dial, allowing full rotation without limits (not for position feedback)

○ STEP/DIR inputs for compatibility with existing stepper motor control firmware

• Acceleration and deceleration limiting

• Maximum stepper speed: 50,000 steps per second

• Very slow speeds down to 1 step every 200 seconds (or 1 step every 1428 seconds with reduced resolution).

• Selectable microstep modes up to 1/256-step resolution:

○ The Tic 36v4 supports full-step to 1/256-step modes

○ The Tic T825, Tic T834, and T249 support full-step to 1/32-step modes

○ The Tic T500 supports full-step to 1/8-step modes

• Digitally adjustable current limit

• Optional safety controls to avoid unexpectedly powering the motor

• Input calibration (learning) and adjustable scaling degree for analog and RC signals

• 5 V regulator (no external logic voltage supply needed)

• Optional limit switch inputs with homing capabilities

• Optional kill switch inputs

• STEP/DIR outputs for controlling external stepper motor drivers

• Connects to a computer through USB via a USB A to Micro-B cable (not included)

• Arduino library makes it easy to get started using these controllers with an Arduino or compatible board

• Comprehensive user’s guide

Tic T500 USB Multi-Interface Stepper Motor Controller, bottom view with dimensions.

Tic T834 USB Multi-Interface Stepper Motor Controller, bottom view with dimensions.

Tic T825 USB Multi-Interface Stepper Motor Controller, bottom view with dimensions.

Tic T249 USB Multi-Interface Stepper Motor Controller, bottom view with dimensions.

Tic 36v4 USB Multi-Interface High-Power Stepper Motor Controller, bottom view with dimensions.

Details

The Tic T834 is based on the DRV8834 IC from Texas Instruments. It can operate from 2.5 V to 10.8 V and can deliver up to approximately 1.5 A continuous per phase without a heat sink or forced air flow (the peak current per phase is 2 A). This version is sold with connectors soldered so no soldering is necessary to use it.

Tic T834 USB Multi-Interface Stepper Motor Controller (Connectors Soldered).

Specifications

Dimensions

Size:	1.50" x 1.05" x 0.47"
Weight:	8.4 g

General specifications

Model:	Tic T834
Motor driver:	DRV8834
Control interface:	USB; non-inverted TTL serial; I²C; RC servo pulses; analog voltage; quadrature encoder
Minimum operating voltage:	2.5 V
Maximum operating voltage:	10.8 V
Continuous current per phase:	1.5 A¹
Maximum current per phase:	2 A²
Maximum step rate:	50000 PPS
Microstep resolutions:	full, 1/2, 1/4, 1/8, 1/16, and 1/32
Reverse voltage protection?:	Y
Connectors soldered?:	Y