The RAJ306000 is a motor control IC that can easily control three-phase brushless DC (BLDC) motors that are used in battery-operated power tools, drones, communication robots, cleaning robots, and so on. With its built-in high-function pre-drivers and RL78/G1F microcontroller (flash ROM: 64 KB) for motor control, the RAJ306000 drives a BLDC motor safely and at low power (high efficiency), facilitating BOM cost reduction and other requirements. It has the following features.
Compact: Up to 50% size reduction*
Integrates innovative high-performance analog circuitry.
Efficient: Up to 35% motor drive power dissipation improvement*
500mA pre-driver includes proprietary performance optimization circuit.
Standard: Common platform from 6V to 30V
Double boost function enables platform reuse across motor voltages.
Sensor-less: High performance sensor-less motor drive control
Reliable operation for low to high speed.
*Based on the comparison with our company’s product
|Voltage for motor drive||From 6V to 30V|
|MCU||RL78/G1F (Flash ROM: 64KB, RAM: 5.5KB)|
|Communication I/F||SPI:2ch, IIC: 2ch, UART: 1ch|
|Flexible Timer||16bit Timer: 8ch|
|5V regulator precision||5V +/- 1% (Ta = 25 degree C)|
|AD converter||9ch (Resolution : 10bits)|
|Pre- Driver Block||Gate drive peak current||500mA|
|Boost function||Double boost / Single boost, Switchable|
|PWM waveform mode||2 mode (PWM mode / Commutation mode)|
|Safety function||Overtemperature, Overvoltage,|
|Overcurrent of the output phase, UVLO|
|Package type||P-HTFQFP64 (7mm x 7mm)|
- Power Tools and Garden Tool Equipment
- Printers and Fans
- Industrial application (Speed controller unit)
Complete Evaluation and Development Environment
We will continue to provide motor control evaluation boards and sample programs to help accelerate time to market. Existing RL78/G1F integrated development environments, compilers, and libraries can be used for program development.
- E1 Emulator for RL78 series
- Renesas IDE
- Also, IAR compatible
- Evaluation board (PTP3-a):
Includes MOSFET (6 pcs)
- Evaluation and development require only connection to a motor
Motor control debugging tool
- Supports ICS (In-Circuit Scope) tool:
Display waveforms of internal program variables while the motor is rotating to graphically confirm behaviors.
Improves de-bugging efficiency, and detection of anomalous behavior.
Resources for Software and Hardware
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|e-learning||Information for studying and learning about microcontrollers and microprocessors.|
|FAQ||Frequently asked questions and useful hints for development.|
|Forum||A forum and community site to share technical information, questions and opinions with others who use Renesas products.|
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