RL78/G1F Motor Driver Board GB01
User's Manual
R12UT0012EJ0100 Rev.1.00
Page 7 of 32
20.10.2020
2. Hardware Overview
Table 2.1 Specifications of 78/G1F Motor Driver Board GB01 (P13130-D1-003)
Item
Specification
Operating input voltage
12V to 50V
Maximum output current
30A (peak current for each phase)
Driving monitor
3-phase permanent magnet synchronous motor
Current detection method
Detects current using a shunt resistor for 3-phase and DC link.
DC bus voltage detection
Detects using a resistance divider circuit.
3-phase output voltage detection
Detects using a resistance divider circuit.
PWM logic
Positive for both upper and lower arms.
Overcurrent detection
Available by specifying the RL78/G1F MCU setting (PWMOPA) (No
detection circuit is provided.)
Dead time
1 µs or more
Switch
Three tact switches (including one switch for CPU reset)
LEDs
2
Connectors
•
Emulator connector (with conversion cable): CN3
•
I2C communication connector: CN6
•
Two serial communication connectors: CN4 and CN8
•
ABZ encoder signal input connector: CN2
•
Hall sensor signal input connector: CN5
•
Two analog signal input connectors: CN1 and CN7
Exterior view
Heat dissipation
Natural air cooling by a heat sink
MCU
Product No.
R5F11BGEAFB
CPU max. operating
frequency
32MHz
Bit count
16 bits
Package/Pin count
LFQFP/48 pins
ROM
64 KB
RAM
5.5 KB
Operating temperature
Room temperature
Operating humidity
No condensation