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Small Package MCU with Built-in Pre-driver for Motor

Published: Nov 30,2015

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Toshiba Corporation announced the launch of a new microcontroller, "TMPM37AFSQG", as the latest addition to its ARM Cortex-M3-based "TX03 series".

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The new IC is the world’s smallest vector control microcontroller to incorporate an original coprocessor, the “Vector Engine Plus,” and a pre-driver to implement brushless DC motor control. Sample shipments will start in the middle of January 2016.

The TMPM37AFSQG contains a pre-driver that directly drives the MOSFET in small applications, including small fan motors. A single-power supply is also feasible since the power of the microcontroller is internally supplied from the power of the pre-driver.

Furthermore, peripheral parts, such as an Op-Amp essential for current detection using shunt resistors and a comparator for over-current detection, have been incorporated in a small package (QFN32 5 x 5 mm), minimizing the mounting space.

The new IC can perform highly efficient vector control, realizing low vibration, low noise motor control. The TMPM37AFSQG greatly improves motor performance in user applications.

Features:

- Easily implements vector control drive and minimizes the mount space

- ARM Cortex-M3 core, up to 40 MHz operation

Complementary PWM, minimum unit: 25ns

- Coprocessor: Vector Engine Plus (VE+)

- Single-power supply

- Built-in pre-driver for direct drive of MOSFET for three-phase PWM output

- 12-bit AD converter, Op-amp, and over-current detection circuit

- VQFN32 (5 mm x 5 mm, 0.5 mm pitch) package

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