TC646VOA713 Integrated Circuits (ICs)

Technology:	--
Base Part Number:	TC646
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 85°C (TA)
Voltage - Load:	--
Voltage - Supply:	3 V ~ 5.5 V
Current - Output:	--
Applications:	Fan Controller
Step Resolution:	--
Series:	FanSense™
Interface:	Parallel
Output Configuration:	Pre-Driver - Low Side
Function:	Controller - Speed
Motor Type - AC, DC:	Brushless DC (BLDC)
Motor Type - Stepper:	--
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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PMIC - Motor Drivers, Controllers

TC646VOA713 is a motor driver and controller from Texas Instruments. As a part of the company’s integrated power Management ICs (PMICs) family, this device is designed for a variety of applications including automotive, automotive body, HVAC, and robotics applications. The TC646VOA713 motor controller offers a range of features and benefits which make it suitable for a variety of versatile motor driver needs.

Device Features

The TC646VOA713 motor controller uses two phases for driving motors in multiple configurations. Maximum motor current is designated at 6A RMS, and feature an advanced protection suite that includes an adjustable crossover-current protection, adjustable thermal shutdown protection, and overvoltage protection. They also have under-voltage, over-temperature, and short-circuit protections. The device also supports various signaling and feedback methods such as Hall Effect, current sampling, PWM, and a variety of sensors. It also has an innovative, programmable current-source drive. This drive is used to supply current to the motors and directly detects current and voltage signals.

Operation Principle

The operation of the TC646VOA713 motor controller is based on a two-phase full H-bridge architecture. The two phases each consist of two independent half-bridge drivers and are controlled by the motor driver logic block. The motor driver block has multiple circuitry that controls the amount of current delivered to the motor based on the input signal from the current sources, hall-effect sensors, or other stepping motors. The device\'s driving components, such as the power switches, are driven by an internal IC PWM that uses a selectable switching frequency to generate drive signals. This allows the device to switch at a frequency specific to the application, resulting in improved system efficiency, accuracy, and reliability.

Applications

The flexibility and high power of the TC646VOA713 motor controller makes it ideal for a variety of applications. Its features are particularly useful in applications that require high torque and power, such as AC motors and compressors. Other potential applications include high-speed industrial drives, fans, pumps, and HVAC systems. Because of the protection suite of features and its wide range of operation, the TC646VOA713 motor controller is suitable for a variety of automotive and automotive body applications, such as automotive door locks, cooling fan, and air conditioning and heating systems. The device’s high-accuracy and durability is also ideal for robotics and drone applications.

Conclusion

The TC646VOA713 motor controller from Texas Instruments is an integrated power management device that delivers excellent performance and reliability. The device offers a range of features and benefits, including a full two-phase H-bridge architecture and advanced protection suite. It is suitable for a variety of applications, such as automotive, automotive body, HVAC, and robotics applications.

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