BA6423AF-E2

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The BA6423AF-E2 is an integrated power IC from ROHM Co., Ltd. specifically designed for motor drive and control applications.This device combines dedicated circuits such as a power MOSFET, 3-phase control IC, gate driver IC and protection circuits on a single chip to maximize drive performance and reduce the component count making system design simple and efficient. This device is suitable for uses in applications such as electric wheelchair, electric tools and robotics.

The BA6423AF-E2 has a built-in 3-phase control IC.This IC is responsible for controlling the power MOSFETs in the power circuit. This 3-phase control IC uses a PWM (pulse-width modulation) signal generated from an external MCU (microcontroller unit) or an external control signal to control the motor speed and to control the motor reversing direction. The 3-phase control IC also has an under-voltage shutdown, over-current protection and over-temperature protection functions.

In addition, the BA6423AF-E2 also comes with a dedicated gate driver IC which is used to drive the power MOSFETs in the power circuit. The gate driver IC has a built-in bootstrap circuit, making it easy to generate a high-level gate drive signal which is required to switch the power MOSFETs. The BA6423AF-E2 also includes an integrated over-current protection circuit which detects a current generated from an unexpected reverse rotation of the motor and immediately shuts down the power circuit to protect the motor from damage. These protection circuits prevent unexpected circuit damage thus helping to maintain system reliability.

The BA6423AF-E2 also has a variety of interface pins for connecting external peripherals such as LEDs and switches. With the addition of an external resistor, these pins can also be used to set the dead-time of the PWM signal. This reduces the power consumption of the system while still maintaining control performance.

In summary, the BA6423AF-E2 is an integrated power IC designed for motor drive and control applications. This IC integrates 3-phase control IC, gate driver IC and protection circuits in a single chip to maximize system performance. The BA6423AF-E2 can be used in a variety of motor drive and control applications such as electric wheelchairs, electric tools, and robotics. Additionally, the integrated interface pins make it easy to connect external peripherals such as LEDs and switches.

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