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Renesas Automotive RL78 Brushless DC Motor Solution Renesas Electronics
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Brushless DC motors are achieving ever wider adoption in automobiles. From mechanical systems to brushed DC motors Motors are used for a variety of applications in automobiles. They help to make possible a safe, secure, and convenient driving experience while taking environmental considerations into account. Advantages of brushed DC motors include high efficiency and compactness. They can be driven using only a power supply, and they are cheap to manufacture. Many mechanical systems in automobiles have been replaced by systems employing brushed DC motors in order to boost fuel efficiency....
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BRUSHLESS DC MOTOR SOLUTION Motors are used extensively in today’s automobiles. The typical automobile contains more than 50 small motors. Nowadays more and more of them are brushless DC motors, especially in units where saving energy, long service life, compactness, and low noise are essential. RL78 Brushless DC Motor Application Examples Water Pump 12V Power Supply Reg Motor Target Rotation Speed Instructions Sensor Values for Estimating Rotor Position Gate Driver Motor Drive Signals Engine Control Unit Water Temperature Sensor CAN/LIN Transceiver Gate Driver BLDC Pump Motor Pre-Driver...
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The microcontrollers of the RL78 Family support a variety of body control system applications. They are ideal solutions for customers seeking to reduce power consumption, cut software development man-hours, and reduce system cost. They retain the advanced functionality of the peripheral circuits featured on the earlier 78K0R and R8C Families, allowing customers to make maximum use of existing resources. The RL78/F13 and RL78/F14 Groups deliver low power consumption while offering support for a variety of motor control and Functional Safety requirements. • Ultra-low power consumption,...
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BRUSHLESS DC MOTOR SOLUTION Key Features TRD0 Register Count Value Conduction Pattern Setting Using Timer RD Two triangular waves are used to form 3-phase conduction patterns with dead time. The dead time can be specified easily using the offset of the triangular waves. Two counters are used to form complementary PWM waveforms. Waveform Control TRDGRA0 Register Positive Phase Negative Phase Negative Phase Positive Phase Positive Phase Negative Phase Complementary output waveforms with dead time can be generated easily by specifying separate compare registers for U, V, and W. Note: The...
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Renesas Automotive RL78 Brushless DC Motor Solution Notes: 1. Descriptions of circuits, software and other related information in this document are provided only to illustrate the operation of semiconductor products and application examples. You are fully responsible for the incorporation of these circuits, software, and information in the design of your equipment. Renesas Electronics assumes no responsibility for any losses incurred by you or third parties arising from the use of these circuits, software, or information. 2. Renesas Electronics has used reasonable care in preparing the...
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