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DC-brushed motor driver IC range expands

12th June 2019


Toshiba Electronics Europe has expanded its line up of DC-brushed motor driver ICs with a single-channel H-bridge driver offering a maximum rating of 50V/3.5A and a low standby current. Supplied in a compact, HSOP8 surface-mount package and featuring a popular pinout, the TB67H450FNG is ideal for new DC brushed motor designs or as a plug-in replacement to improve and upgrade existing applications in addition to offering more product sourcing options.

The device, which is fabricated using Toshiba’s BiCD process, can drive brushed motors with voltages from 4.5V to 44V. As a result, it is suitable for a wide variety of industrial and commercial equipment including office automation and banking terminals, white goods, robot vacuum cleaners and other home appliances. A low standby current consumption of 1µA is achieved as a result of a newly developed power supply circuit that controls the VCC regulator in standby mode. This contributes to saving power in many modern battery-powered applications as well as devices powered by 5V USB power supplies and improves the battery life.

Capable of driving DC brushed motors in a total of four constant-current modes (forward, reverse, brake and stop), the TB67H450FNG can deliver up to 50V/3.5A via a low on-resistance (0.6W) built-in MOSFET. The motor driver IC includes a single H-bridge channel and incorporates several error detection features such as thermal shutdown (TSD), over current detection (ISD) and undervoltage lockout (UVLO). A built-in voltage regulator supports internal circuit operation.


 

 

 


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