TB67S521FTAG,EL

Series:	*
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Mounting Type:	Surface Mount
Package / Case:	36-WFQFN Exposed Pad
Supplier Device Package:	36-WQFN (6x6)

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Introduction

Power Management Integrated Circuits, or PMICs, are electronic components found in many modern electronic products. They are used to regulate and control the power delivery in the circuits these products are built on. PMICs control the power going to and from components, ensuring a stable and reliable power delivery.One type of PMIC commonly found in products is Motor Drivers, Controllers. This type of PMIC is used to regulate and control the power supply for electric motors. This is crucial for electric motors, as they require precise amounts of power to maintain their correct speed and torque. TB67S521FTAG,EL is a pre-driver IC, part of the Toshiba Motor Drivers and Controllers family of PMICs. This particular IC is designed to provide a four-phase pre-driver circuit that can drive motor with up to four coils, such as a four-phase stepper motor or a six-phase brushless DC motor. In this article we will explore the application field and working principle of the TB67S521FTAG,EL pre-driver IC.

Application Field

The TB67S521FTAG,EL pre-driver IC is designed for use in electric motor-drive systems. It is specifically designed to drive four-phase stepper motors and six-phase brushless DC motors. It can be used for both high- and low-current applications, as it can deliver up to 3A of peak current and 0.5A of continuous current per phase.The TB67S521FTAG,EL is suitable for applications where both torque and speed are important. These include applications for electric vehicles, such as electric bicycles or wheelchairs; or for other powered vehicles, such as robots or drones. Other applications include printer, scanner and vending machine motors.

Working Principle

The TB67S521FTAG,EL pre-driver IC works by providing the correct amount of current to the motor\'s coils based on the need of the motor. It is capable of driving up to four coils, in which case it will switch between them to provide the best possible current to drive the motor. In a four-phase stepper motor, the IC will switch between the four different phases to provide the best current to the motor, while in a six-phase brushless DC motor, it will switch between the six different phases.The IC contains two built-in circuits, the voltage-sense circuit and the current-sense circuit, that monitor the power going to and from the motor. When the IC detects that the voltage or current going to or from the motor is too high or too low, it will adjust the amount of current to the motor in order to maintain a safe level of performance.The IC is also capable of detecting errors and overcurrent conditions, and can set fault flags when it detects these occurrences. This allows the system using the IC to respond appropriately to any unexpected motor behavior.

Conclusion

The TB67S521FTAG,EL pre-driver IC is a Motor Driver, Controller PMIC that is designed to drive four-phase stepper motors and six-phase brushless DC motors. It enables these motors to operate with greater accuracy, stability, and safety by providing precise amounts of current based on the need of the motor. It also contains built-in circuits to monitor the power going to and from the motor and detect any errors, allowing the system to respond appropriately.

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