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RT7081 - A High Integrated 3 Phase PMSM/BLDC Motor Controller

Description

The RT7081 is a two

in-one application specific IC which consists of a 3 phase motor controller, a gate driver, three bootstrap diodes, a 5V LDO regulator and RC filters for current sense.

Features

  • s.
  • Integrated 3 Phase PMSM/BLDC Controller, Gate Driver, Bootstrap Diodes and 5V LDO Regulator.
  • Integrated Filters at ADC Input.
  • Sensor-Less, Sine-Wave Field Oriented Control (FOC).
  • Protections : Over-Current, UVLO, Locked-Rotor and Thermal Detection.
  • PMSM/BLDC Motor Controller :.
  • ARM 32-bit Cortex-M0 CPU, Up to 60MHz.
  • Memories Size : 16kB MTP, Internal ROM with Embedded Motor Control Library and 4kB SRAM.
  • Power Management : Normal or Deep Sleep.
  • Comm.

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Datasheet preview – RT7081

Datasheet Details

Part number RT7081
Manufacturer Richtek
File Size 729.21 KB
Description A High Integrated 3 Phase PMSM/BLDC Motor Controller
Datasheet download datasheet RT7081 Datasheet
Additional preview pages of the RT7081 datasheet.

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Full PDF Text Transcription

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Preliminary RT7081 A High Integrated 3 Phase PMSM/BLDC Motor Controller with Gate Driver, Bootstrap Diodes and LDO General Description The RT7081 is a two–in-one application specific IC which consists of a 3 phase motor controller, a gate driver, three bootstrap diodes, a 5V LDO regulator and RC filters for current sense. The RT7081 integrates the ARM 32-bit Cortex-M0 core with peripheral circuits to perform field oriented control (FOC) and sensor-less motor control. In additions, system level peripheral functions, such as ADC, DAC, communication interface, SVPWM, watchdog timer, current sensing, under voltage-lockout (UVLO), short circuit protection (SCP), thermal detection and locked-rotor protection are integrated so as to reduce component count, PCB size and total BOM cost.
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