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Toshiba Launches Dual H-bridge Motor Driver IC with PWM Control for Mobile Devices and Home Appliances

October 22, 2020

Toshiba Electronic Devices & Storage Corporation

Toshiba Launches Dual H-bridge Motor Driver IC with PWM Control for Mobile Devices and Home Appliances

TOKYO—Toshiba Electronic Devices & Storage Corporation ("Toshiba") has launched an H-bridge motor driver, “TC78H660FNG,” housed in a TSSOP16 package with a widely used pin-assignment. It is Toshiba’s latest addition to its line-up of drivers for brushed DC motors and stepping motors for applications that include mobile devices and home appliances.

Toshiba’s new-generation DMOS process allows TC78H660FNG to achieve a low ON resistance of 0.48Ω at its maximum rating of 18V/2.0A,[1] and reduces heat generation compared with Toshiba’s current products.

The new driver has a regulator for driving internal circuits, and can drive a motor with a single power supply ranging from 2.5V to 16V. Its wide range of applications include mobile devices powered by a 3.7V lithium-ion battery, 5V USB powered devices, and 12V system devices for home appliances. It also supports a low 1.8V interface.

Features

  • Single power drive, simple PWM control
  • Low ON resistance reduces heat generation compared with Toshiba’s current products.
    (Ron=0.48Ω (upper + lower: typ.) @VM=12V, Ta = 25°C)
  • Low current consumption (ultra-low standby current: 0.1μA or less @Ta=25°C)

Applications

Battery-powered mobile devices, including robots and toys; home appliances including refrigerators, smart meters, etc.

Main Specifications

Part number

TC78H660FNG

Supply voltage (operating range)

2.5V to 16V

Output voltage
(absolute maximum rating)

18V @ output ON
20V @ output OFF

Output current
(absolute maximum rating)

2A

Number of H-bridge channels

2ch

Supported motors

Brushed DC motors (dual-motor control is possible)
Bipolar stepping motors

Output on-resistance (upper + lower)

0.48Ω (typ.)@VM=12V, Ta=25℃

Safety function

Over current detection, thermal shut down, under voltage lockout,

flag output function for over current detection and thermal shut down

Features

Current consumption in standby mode: 0.1μA or less

Single power drive

Support for a 1.8V I/F

Direct PWM control

or

constant current control without current sense resistor

Package

TSSOP16 (size: 5.0mm×6.4mm)

Stock Check & Purchase

[1] Actual motor drive current depends on the use environment and such factors as ambient temperature and power supply voltage. 

For more information about the new product, visit:

TC78H660FNG

For more information about Toshiba’s motor driver IC line-up, visit:

Motor Driver

To check the availability of the new product at online distributors, visit:

TC78H660FNG

 

Customer Inquiries

System Devices Marketing Dept.I
Industry Marketing Group II

Tel: +81-3-3457-3249

Contact

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

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