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MLX81200
Sensorless BLDC motor controller
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INTRODUCTION
The MLX81200 is a highly integrated 3 phase motor controller for 12V BLDC or PMSM automotive applications.
Its TruSense and SineDrive technologies enable Sensorless BLDC motor control in a wide range of demanding applications.
SINEDRIVE
allows optimizing the motor current shape for any BLDC motor, resulting in optimal efficiency with minimum torque ripple and lowest audible noise.
SineDrive also allows sensorless sinusoidal motor control minimizing conducted and radiated missions.
TRUSENSE
combines RELUCTANCE/INDUCTANCE measurement with BEMF sensing for robust and reliable detection and tracking of the rotor position in harsh environments under heavily changing load conditions.
This also allows a very fast motor start-up as well as operation at very low speeds.
TARGET SENSORLESS BLDC APPLICATIONS- Pumps:
- Fuel pump
- Water pump
- Transmission Oil pump
- ABS oil pump
- Fans/Blowers:
- Engine cooling fan
- HVAC blower
- Other:
- Active suspension control
- ...
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Features and Benefits
- SENSORLESS BLDC OPERATION
- Very Robust
- Wide dynamic range
- Fast start up
- Trapezoidal/Sinewave motor current
- Delta / Star windings (no star point required)
- HIGH INTEGRATION LEVEL
- Embedded Flash controller
- Voltage regulator
- RC/PLL oscillator
- NFET predriver with bootstrap
- High temperature Flash controller
- AEC-Q100 qualified up to Tamb = 150C
Product Applications
Brushless DC Fan Commutation
Wiper Systems
ABS Brake Communication
Electric Parking Brake
Brushless DC Fan Commutation
Electronic Fuel Pump Motor Commutation
Motor Control
Local Interconnect Network (LIN)
Fuel/Oil/Water Pumps and Cooling Fans
Transmission
Assets
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