MD12H is a driver chip for stepper motors, and its pin diagram is described as follows:
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1. GND: Ground pin of the chip.
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2. VCC: drive power pin, supply voltage range 3.3V~5V.
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3. IN1 ~ IN4: four-phase control pin of the stepper motor.
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4. GAIN1, GAIN2: Pins that control the current of the motor.
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5. RST: chip reset pin. When the RST pin is grounded, the chip will be reset.
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6. SLEEP: SLEEP function pin, when the sleep pin is grounded, the chip enters the sleep mode.
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7. STEP: Pulse signal pin. Input a pulse signal to the pin to make the stepper motor move.
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8. DIR: Direction control pin, control the direction of motor rotation.
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9. CLK: chip internal clock pin.
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In general, MD12H chip pins are mainly divided into power pins, control signal input and output pins and other auxiliary pins, detailed descriptions can refer to its relevant technical manuals or data tables.
The pin of the MD12H chip is the wiring from the internal circuit of the integrated circuit (chip) to the peripheral circuit, and all the pins constitute the interface of the chip.
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MD12H chip integrates pulse width modulation controller and power MOSFET, which is suitable for low-power off-line switching power supply. The chip provides intelligent protection functions, including over current protection, under voltage protection, over voltage protection, over temperature protection and soft start function. Intermittent mode reduces power consumption when the system is in standby mode
The MD12H chip pin diagram is a graphic showing the function, connection mode and position of each pin of the MD12H chip.
In the pin diagram, the MD12H chip has 24 pins, including power supply pins, communication interface pins, control pins, and so on.
By viewing the pin diagram, you can clearly understand the role and connection of each pin, making the design and debugging work more accurate and efficient. At the same time, the existence of the MD12H chip pin diagram also fully explains the trend of graphics in modern scientific and technological design and the importance of basic tools. Therefore, in the design and development of electronic engineering, it is very important to master the drawing and reading methods of chip pins.