Overview
Description
RAJ306001 is general-purpose motor control IC for 3-phase brushless DC motor applications. The RAJ306001 has a built-in MCU (RL78/G1F) and a pre-driver in a single package. The pre-driver includes 3 half-bridge gate drivers, 5V regulator, a current sense amplifier, Hall IC comparators, back-EMF amplifier, and various protection functions.
Features
- Operating power supply voltage: 6V to 30V
- Operating temperature:
- RAJ306001 TA = -40°C to +85°C
- RAJ306001Z TA = -40°C to +105°C
- Low power consumption VM current (excluding 5V/7V regulator and charge-pump): [MCU block]: +5.2mA (HS Mode: fIH = 32MHz, VDD = 5V) [pre-driver block]: + 13.5mA [VM = 22.5V] VM standby current : 64µA (typ.)
Controller Functions
- CPU: 16-bit CISC CPU (RL78/G1F)
- Flash ROM: 64KB, Data Flash 4KB, RAM: 5.52KB
- GSI: 2 Ch, SPI, 2ch, IIc, 2ch, UART: 1ch
- Timers
- Timer array unit: 1 unit – 16-bit, 4ch
- Timer RD for motor control – 16-bit, 2ch
- Timer RG with encoding function – 16-bit, 1ch
- 64MHz motor control input capture timer (Timer RX)
- 10-bit resolution A/DC converter: 9ch
- GPIO : 28ch, port for input : 2ch
Pre-Driver Function
- 3 half-bridge gate drivers for 6 N-MOSFET
- Adjustable gate drive peak current up to 500mA
- Self-align deadtime generator function
- Built-in 5V regulator
- Selectable single/double boost charge pump for gate drive voltage (10V, 13V)
- Supports Hall sensored and sensorless motors
- Integrated 1-shunt current sense amplifier (adjustable gain)
- Integrated protection functions: UVLO, overtemperature, overcurrent, overvoltage, motor Lock for Hall IC type, alarm condition indicator
Comparison
Applications
Design & Development
Support
Support Communities
Get quick technical support online from Renesas Engineering Community technical staff.
FAQs
-
Vector Control Motor Control Algorithms
Yes, the motor will have to supply rotor position via hall sensors or encoder.
Apr 1, 2021 -
Programmable Dead Time
Can the user add more dead time than the programmable dead time available in RAJ3060001/10?
Apr 1, 2021 -
Increased Run Time
The RAJ306001/10 increases the run time in most applications by reducing conduction losses with the use of MOSFETs' very low On Resistance and high input capacitance with integrated 500 mA drivers, as well as reducing the switching losses with the combination of the self-align dead time generator ...
Apr 1, 2021
Videos & Training
Renesas simplifies safe and highly efficient sensor-less brushless DC motor control design with highly integrated motor control ICs for Industrial and household appliances. The easy-to-use ICs improve motor efficiency by 35%, reduce board size by 50%, and accelerate motor control application development.