MP6501A is a stepper motor driver with a built-in micro stepper converter. It operates with a power supply voltage of up to 35V and can provide a motor current of up to 2.5A. The MP6501A can operate a bipolar stepper motor in full step, half step, quarter step, and eighth step modes. Internal safety functions include overcurrent protection, input overvoltage protection, UVLO, and thermal shutdown protection. The MP6501AGF-Z device has a fixed 3.3V reference output, so it can operate without any control power supply and can be used in conjunction with any microcontroller. The Ron of the switch is as low as 220m Ω. The current detection is completed by an external resistor. The MP6501A is packaged in a space saving TSSOP-28 package with an exposed thermal pad.
main features
8V to 35V wide input voltage range, two internal full bridge PWM converters with low on resistance (HS: 220m Ω; LS: 220m Ω), no need for power control, simple logic interface 3.3 V and 5 V compatible logic power supply, full step, half step, quarter step, and eight step functions 2.5A maximum output current adjustable mixed attenuation ratio overcurrent protection input OVP function thermal shutdown and undervoltage protection space saving TSSOP-28 EP package fault indication output
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