BA6418N

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Power Management Integrated Circuit (PMIC) devices are among the most important semiconductor components used in a wide range of electrical and electronic applications. They provide designers with a comprehensive set of power management functions, such as supplying and controlling power, driving and controlling motors, and performing sensing and controlling operations. The BA6418N from ROHM Semiconductor is an example of a PMIC - Motor Drivers, Controllers device. It provides highly efficient power management solutions for system designers, enabling them to support a broad range of digital and analog applications.

The BA6418N is a dual-channel H-bridge motor driver integrated circuit (IC) that supports a wide range of operating voltages and currents. This IC supports dual-channel high-side/low-side drive, which allows it to handle up to 4A peak current with a minimum operating voltage of 2.2V. It also has a wide operating temperature range (-40°C to +85°C), with a maximum junction temperature of +125°C, which makes it suitable for use in a variety of applications. Furthermore, the low-profile, small package size makes it easy to integrate into many applications.

The BA6418N provides differential input control, complementary driving outputs and an enable/disable logic input to control the start and stop of the motor. The input impedance is adjustable from 0.5 kΩ to 3.2 kΩ through the internal resistor network, providing flexibility for driving control signals from different sources. The built-in overcurrent protection feature prevents any output short circuit or current overload. This feature can be adjusted by selecting the resistor of the current detection circuit between 1 mΩ to 100 mΩ. The device also offers excellent EMI performance, minimizing the risk of EMI-induced malfunction and system performance degradation.

The BA6418N operates in three modes: high-speed, low-speed and sleep modes. In high-speed mode, it operates with a switching frequency of 100 kHz and an input PWM duty cycle of up to 80%. This mode is ideal for applications requiring a high torque output. The low-speed mode operates with a switching frequency of 1 kHz and an input PWM duty cycle of up to 25%. This mode is optimal for applications requiring low noise and low power consumption. The sleep mode reduces power consumption to a minimum while maintaining excellent EMI performance. All of these features make the BA6418N suitable for many applications including battery-operated devices, robotics, medical devices, and office automation systems.

In summary, the BA6418N is a dual-channel H-bridge motor driver integrated circuit (IC) from ROHM Semiconductor that provides a comprehensive set of features to support a variety of applications. It offers excellent power management performance, differential input control, complementary driving outputs, an adjustable overcurrent protection feature and three operating modes – high-speed, low-speed, and sleep – making it ideal for use in a wide range of digital and analog applications. The low-profile, small package size also makes it easy to integrate into many applications.

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