Toshiba Launches Bipolar Stepping Motor Driver with Maximum Rating of 50V and 2A

TOKYO — (BUSINESS WIRE) — September 30, 2014Toshiba Corporation (TOKYO:6502) today announced the launch of “TB67S269FTG”, a bipolar stepping motor driver offering a high voltage of 50V and current of 2.0A. Sample shipments start today, with mass production scheduled to start in October.

Toshiba launches bipolar stepping motor driver "TB67S269FTG" with maximum rating of 50V and 2A (Phot ...

Toshiba launches bipolar stepping motor driver "TB67S269FTG" with maximum rating of 50V and 2A (Photo: Business Wire)

High speed, high ability motor drive is required for application in printers, office automation equipment, ATMs, banknote identification machines, amusement machines, and home appliances. On the other hand, the downsizing of the equipment is accelerated by customers’ demands for space-saving equipment with excellent design. Measures to reduce heat generated inside equipment are also growing in importance.

Last year, Toshiba released a bipolar stepping motor driver, “TB67S109AFTG”, with a maximum rating of 50V and 4.0V. This reduced heat and increased efficiency by increasing the switching speed and adopting motor driving technology (ADMD [1]) developed by Toshiba.

“TB67S269FTG” is pin-compatible with “TB67S109AFTG”. Its current rating is configured to 2.0A, which is widely used in amusement machines and home appliances. Expansion of the product line-up allows customers to select the current variation that best fits their needs.

Main Features of the New Product

1. Low heat generation

Heat generation is reduced by low on resistance (0.8Ω or less, upper + lower) and ADMD technology.

2. Low vibration and low noise

High-resolution motor driving technology of 1/32 steps (max.) is adopted to reduce vibration and noise.

3. Small package

Heat treatment of the equipment and the module can be simplified by adopting the small, high heat radiation QFN package. This supports downsizing and cost reduction.

4. Built-in error detection circuits

The new product incorporates the thermal shutdown circuit and the overcurrent shutdown circuit. The safety and the reliability of the equipment are increased by outputting error signal from those circuits during equipment design.

Applications

Amusement machines (pachinko, video slot machines), home appliances (refrigerators, air conditioners), industrial equipment (banking terminals such as ATMs, office- and factory-automation equipment).

 

Main specifications

Product name   TB67S269FTG
Control I/F CLK input
Absolute maximum ratings 50V, 2.0A
Package QFN48 (size: 7mm×7mm×0.5mm, pin pitch: 0.5mm)
Other features

Built-in error detection circuits (thermal shutdown circuit and overcurrent shutdown circuit)

Built-in output function of error detection flag (ERR output)

Sequence-free of power supply by single power drive

Mass production schedule   From October, 2014
 
[1]:  

Advanced Dynamic Mixed Decay. Toshiba's originally developed motor control technology; offers high efficient motor operation by automated optimization of drive current.

 

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