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Toshiba Unleashes Stepping Motor Driver IC Suited for Office Automation

Businesswire Desk by Businesswire Desk
August 25, 2022
Toshiba IC

Toshiba: "TB67S549FTG," a stepping motor driver IC housed in a small QFN24 package. (Graphic: Business Wire)

Toshiba Electronic Devices & Storage Corporation (Toshiba) has launched motor driver ICs with the launch of “TB67S549FTG,” a stepping motor driver IC housed in a small package with built-in constant-current control that does not require external circuit components. The new driver contributes to saving space on circuit boards and is suited for industrial equipment such as office automation and financial equipment.

TB67S549FTG uses Toshiba’s DMOS FET[1] for its output power transistor and features a motor output voltage rating of 40V and a motor output current rating of 1.5A[2]. The use of the QFN24 package reduces the mounting area to about 64% of the QFN32 package used for Toshiba’s current product, TB67S539FTG. This helps save space on circuit boards.

In addition, the new driver incorporates a current detection part for constant-current motor control and requires no external capacitor for a charge pump circuit. This will reduce external circuit components, thereby saving space on circuit boards.

TB67S549FTG supports motor power supply voltages from 4.5V to 33V, and has a current consumption of up to 1μA in sleep mode, making it widely used for 12V/24V power supply applications.

Toshiba will continue to develop products for a wide range of applications and to provide total solutions that contribute to user design simplification, board area reduction, and total cost reduction.

Notes:
[1] Double-Diffused MOSFET
[2] The actual current that can drive motors is limited by ambient temperature, power supply voltage, and other operating conditions.

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Applications

  • Printers
  • Multi-function printers (MFPs)
  • Automatic teller machines (ATMs)
  • Money-changing machines
  • Surveillance cameras
  • Projectors

Features

  • Small QFN24 package: 4.0mm × 4.0mm (typ.)
  • An external current detection resistor is not required for constant current motor control.
  • Requiring no external capacitor for charge pump circuit.
  • Low power consumption in a sleep mode: IM1=1μA (max)

Main Specifications

(Unless otherwise specified, @Ta=25°C)

Part number

TB67S549FTG

Operation ranges

Motor power supply VM (V)

@Ta=-20

to 85°C

4.5 to 33

Absolute maximum ratings

Motor output voltage VOUT (V)

40

Motor output current IOUT (A)

1.5

Supported motors

Bipolar stepping motor

Output transistor between
drain and source On resistance
(upper + lower)
RON(D-S) typ. (Ω)

@VM=24V,
Tj=25°C,
IOUT=2.0A

1.2

Power consumption IM1 max (μA)

@Sleep mode

1

Safety function

Over-current detection, Thermal shutdown, Under voltage lockout

Package

Name

QFN24

Size typ. (mm)

4.0×4.0

* Company names, product names, and service names may be trademarks of their respective companies.
* Information in this document, including product prices and specifications, the content of services, and contact information, is current on the announcement date but is subject to change without prior notice.

Source: Business Wire India
(Only the headline of this article may have been edited by the CXOvoice, the rest of the content is auto-generated from a syndicated feed.)

Businesswire Desk

Businesswire Desk

For any query, send an email to [email protected]

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