
Microchip Technology
Description
The MTD6501C/D/G devices are 3-phase, full-wave drivers for brushless sensorless DC motors. They feature 180° sinusoidal drive, high torque output, and silent drive. Due to their adaptive features and wide power-supply range capabilities (2V to 14V), they are intended to cover a wide range of motor characteristics, while requiring no external tuning from the user. Speed control can be achieved through either power supply modulation or pulse-width modulation (using the PWM digital input pin).
FEATUREs
• Position Sensorless BLDC Drivers (No Hall Sensor Required)
• 180° Sinusoidal Drive, for High Efficiency and Low Acoustic Noise
• Support 2V to 14V Power Supplies
• Speed Control Through PAM and/or PWM
• Built-in Frequency Generator (FG Output Signal)
• Built-in Lock-up Protection and Automatic Recovery Circuit (External Capacitor not Necessary)
• Built-in Over Current Limitation and Short Circuit Protection
• Built-in Thermal Shutdown Protection
• Thermally Enhanced SOP-8 Package for MTD6501C and MTD6501G (Maximum Output Current – 800 mA);
• MSOP-10L Package for MTD6501D (Maximum Output Current – 500 mA)
• 20 kHz PWM Output Frequency for MTD6501C/D and 23 kHz for MTD6501G
• Boost Mode (Optional Back Electromotive Force (BEMF) Pre-amplification in MTD6501D)
• No External Tuning Required