DC brushed motor driver IC with pin-assignment HSOP8 Package

Posted By : Alex Lynn
DC brushed motor driver IC with pin-assignment HSOP8 Package

The line-up of DC brushed motor driver ICs from Toshiba Electronics Europe, has been expanded with a highly efficient, single-channel H-bridge driver offering a maximum rating of 50V/3.5A and low standby current. Supplied in a compact, HSOP8 surface mount package and featuring a popular pinout, the TB67H450FNG is suited for new DC brushed motor designs.

The TB67H450FNG also works 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 4.5 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 such as small household robots and electronic locks as well as devices powered by five volt USB power supplies and improves the battery life of battery powered devices. 

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 highly integrated 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.

Measuring just 4.9x6.0mm, the new IC minimises PCB space while offering excellent thermal performance via the inclusion of an E-pad. 

Mass production shipments of the TB67H450FNG start today.


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