PCA9629PW,118 Integrated Circuits (ICs)

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PMICs (Power Management Integrated Circuits) – Motor Drivers, Controllers – are devices used to control and manipulate power in motors or other miscellaneous loads; PCA9629PW,118 is one such device. This integrated circuit (IC) provides motor drivers and controllers with a simple, cost effective solution for various of motor applications. This integrated circuit can drive fans, small brush motors, solenoid and provides Pulse-Width-Modulation (PWM) with traditional logic functions.

The PCA9629PW,118 is designed as a 1A dual channel motor driver/controller in a small 7mmx7mm QFN package. Operating over a wide voltage range of 3.0V to 5.5V, this integrated circuit application supports a wide range of applications in battery powered, distributed power systems. With on-chip over-current detection, output protection and a programmable slew rate; this integrated circuit is an ideal solution for a variety of portable and consumer motor applications.

The PCA9629PW,118 operates in a preset 2-phase mode and requires only a minimum of external components. The two H-bridge outputs are capable of driving any two-coil bipolar stepping motor, such as a 5-wire two-phase stepper motor. The IC motor controller provides outputs for a single-phase full bridge driver, insensitive to the motor windings ground potential. In other words, the IC circuit eliminates the need for an H-bridge and reduces power consumption by drawing current from the motor only when active. It also supports a wide range of single and dual-line pulse control.

Moreover, the PCA9629PW,118 integrated circuit provides open load/stalled motor detections that help to protect the motor from burning out due to overload current. The integrated circuit offers a blend of maximum regulator efficiency and fastest switching times with standstill capability to limit the power consumption. The power stage of the device ensures the true quality of output voltage without introducing any noise on its output voltage. It also features a dead time of up to 200ns, allowing the input signals to cross each other without the over-current cutting off. In sum, the PCA9629PW,118 integrated circuit provides a versatile, reliable and efficient solution for motor speed control and fan control applications.

An additional benefit of the PCA9629PW,118 includes an adjustable speed range that is dependent on the input voltage applied on the motor. When a low voltage is applied, the speed of the motor will be relatively slow and will gradually increase as the voltage is increased, allowing the user to control the speed of the spinning motor. On top of that, the PCA9629PW,118 is also designed with a built-in 5-bit programmable dead time circuit, providing protection from electromagnetic noise. All of these make the PCA9629PW,118 suitable for many applications such as in refrigeration units, air-conditioning units, air-purifiers, vacuum cleaners purifiers and fans.

In a nutshell, the PCA9629PW,118 integrated circuit offers an innovative solution for motor driver and fan control applications. With an adjustable speed range and built-in protection from over-current and electromagnetic noise, the integrated circuit provides an effective solution for both commercial and industrial applications. Thanks to its wide operating voltage range, enhanced features and easy to use interface, the PCA9629PW,118 integrated circuit offers a reliable and efficient solution for variable speed motor control.

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