AH286-WL-7 Integrated Circuits (ICs)

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PMIC - Motor Drivers, Controllers,

The AH286-WL-7 is an integrated motor control product incorporating a MOSFET driver that switches bus voltage to the DC motor, a speed controller circuit and responds to pulse signals from external control systems. It integrates the driver circuit of inverter circuit and speed control systems that remote drivers previously provided. This integrated motor driving device is composed of a driver IC, a built-in low on-resistance MOSFET, and the protection circuit and current limit circuit.

Application Field

The AH286-WL-7 is a power module device for controlling the speed of DC brushless motors with good electromagnetic compatibility and provides different protection features for a safe and comfortable operation, making it suitable for applications such as electrical appliances, home appliance, office automation (OA) equipment, automation equipment, and industrial equipment.

Working Principle

The AH286-WL-7 consists of three main parts: a driver IC, a power MOSFET, and a protection circuit. The driver IC is composed of a driver circuit, an overcurrent protection circuit, and a gate driving circuit. This driver IC can be used to either directly control the motor or to control it through a PWM signal which further enhances the driver IC’s performance. The power MOSFET is used to drive the motor and allows a current up to 7A to flow while maintaining a low on-resistance. The protection circuit works as a safety measure to ensure the safe operation of the driver. It can shut down the current when there is an overcurrent or overvoltage, or when the temperature of the driver or motor is too high.

The AH286-WL-7 has a high speed response rate, with a PWM frequency up to 25KHz. This high speed response rate helps ensure precise control of the motor, resulting in improved system performance and cost savings. The AH286-WL-7 also features an internal bootstrap circuit and an integrated compensation network, allowing stable control of the motor with simple external component layouts. In addition, it has a built in thermal shutdown protection circuit. This prevents any damage to the driver in the case of a thermal overload.

Conclusion

The AH286-WL-7 is an integrated motor control product that combines a MOSFET driver, speed controller and safety protection circuit, making it suitable for a wide range of applications. It has a high speed response rate and a built-in protection circuit to protect against overcurrent and overvoltage, thermal overload and other fault conditions. This makes the AH286-WL-7 an ideal solution for motor control applications such as electrical appliances, home appliances, office automation equipment, and industrial equipment.

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