TB67S149FTG,EL

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Motors are essential components of many electronic devices. To no surprise, motor drivers, controllers, and other power management IC (PMIC) become important to keep them running properly. One of the PMIC family, TB67S149FTG,EL, is a power IC designed for various motors. This article will cover its application field and working principle.

TB67S149FTG,EL is designed for controlling step motors which are employed in many electronic devices, such as CD-ROMtrays and robots. It is a cutting-edge PMIC package due to its high efficiency and capability of working with different motors. Specifically, this power IC is most suitable for 2 of the four types of motor: 2-phase hybrid step motor and 4-phase focal-excitation electric motors. What makes it unique is the fact that it offers an easy-to-operate solution with 4-phase focal-excitation electric motor.

TB67S149FTG,EL comes with three power supply inputs – two inputs for the motor drive voltage and one input for the control voltage. It integrally includes two power stages, two power transistors, a charge pump circuit and four control gates. The power transistors control the excited current and the charge pump circuit is used to strengthen control signals. The four control gates are designed to handle the four phases of any relevant motor.

This power IC also provides other features, such as pulse input buffer, internal output short circuit protection, overheat protection and so on. With these features, it provides additional protection for the motor and improves the reliability of the system.

The working principle of TB67S149FTG,EL has been well studied and optimized. As mentioned, this power IC captures signals through the two control transistors. The two power stages are then used to drive the motor with current, thus providing torque and power to the motor. The charge pump circuit is used to ensure the overall efficiency of the system by providing regulated current and voltage.

Finally, it should be noted that the TB67S149FTG,EL is designed to work with high efficiencies and maximum power output. For example, it can support up to 4A continuous current and up to 5A peak current, with an operating temperature range between -20℃ to +85℃.

In conclusion, the TB67S149FTG,EL is a power IC specifically designed to provide efficient power management solutions for step motor applications. It comes with three power supply inputs, two power stages, two power transistors, a charge pump circuit and four control gates, and provides additional features such as pulse input buffer, internal output short circuit protection, overheat protection and so on. This PMIC is suitable for controlling 2-phase hybrid step motors and 4-phase focal-excitation electric motors, and can support up to 4A continuous current and up to 5A peak current. As a result, it is a great choice for those who need optimized power management for various motor applications.

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