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The RT7080 is a highly integrated power module designed for advanced motor drive applications. This module integrates an ARM-base motor controller, a 3-phase gate driver, six MOSFETs, a 5V LDO, a charge pump circuit, a buck converter and three current sense resistors, those circuits are specifically implemented for PMSM/BLDC motor applications. For main control scheme, the RT7080 integrates an ARM 32-bit Cortex-M0 core with peripheral circuits to perform field oriented control (FOC) and sensorless motor control. In additions, system level peripheral functions, such as ADC, DAC, communication interface, SVPWM, watchdog timer, current sensing, undervoltage-lockout (UVLO), short circuit protection (SCP) and locked-rotor protection are fully integrated so as to reduce component count, PCB size and system cost. Furthermore, the RT7080 drives internal N-Channel MOSFETs in a configuration of three half-bridges with a built-in charge pump circuit up to 28V. With these designs, the RT7080 therefore offers great benefits to users such as cost effectiveness, easy design, board space saving, production flexibility and better quality control. The RT7080 is available in WQFN-40L 6x6 packages.</p>
RT7080 Typical Circuit
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<div class="spec-list"><ul class="lv1"><li>Integrated 3-Phase PMSM/BLDC Controller, Gate Driver, Charge Pump, Buck Converter, 5V LDO and Power MOSFETs </li><li>Input Voltage Range : 8V to 28V </li><li>Phase Peak Current Up to 3A </li><li>No External Sense Resistors Required </li><li>Sensorless, Sinewave Field Oriented Control (FOC) </li><li>Protections : Over-Current, UVLO, Locked-Rotor and Thermal Detection </li><li>PMSM/BLDC Motor Controller : <ul class="lv2"> <li></li><li>ARM 32-bit Cortex-M0 CPU, Up to 60MHz </li><li>Memories Size : 16kB MTP, Internal ROM with Embedded Motor Control Library and 4kB SRAM </li><li>Power Management : Normal or Deep Sleep </li><li>Communication Interface : I<sup>2</sup>C and UART </li><li>Support Two-Wire Programming </li><li>4-Channel 10-Bit ADC for System Application </li></ul> </li><li>WQFN-40L 6x6 Package </li></ul></div>
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RT7080 Ordering Information
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<div class="spec-list"><ul class="lv1"><li>Pedestal Fan </li><li>Ventilation Fan </li><li>Robot Vacuum Cleaner </li><li>Water Pump </li></ul></div>
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