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
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.