Communication I/F; Sensor I/F - Renesas MCI-HV-1 User Manual

MCI-HV-1 User's Manual
4.4.4
PWM signal overwrap protection
U17 provides overwrap protection for PWM signals to control IGBT module. When lower side PWM signal
(UN_IPM, VN_IPM and WN_IPM) is HIGH, upper side PWM signal (UP_IPM, VP_IPM and WP_IPM) is
always LOW. (lower side signal has priority)

4.5 Communication I/F

Fig. 4-9 shows communication I/F circuit. The digital isolator (U19) provides reinforced isolation between this
product and external devices such as communication board and PC. The power for the communication I/F is
supplied with USB cable connected to CN12.

4.6 Sensor I/F

This sensor I/F supports hall sensor and encoder.
Fig. 4-10 shows sensor I/F circuit. The digital isolator (U20) provides reinforced isolation between this product
and external devices such as encoder sensor. The power for the sensor I/F must be externally supplied to
pin 7 of CN11.
Regarding encoder signals, it supports single-end input and differential input. However, when using
differential inputs, the jumper resistors must be switched.
Hall signal input and encoder signal input share the sensor I/F connector CN11. Pin assignments is shown
in Fig. 2-4. JP5, JP6, and JP7 are used to switch whether the signal is output to the CPU board connector
as hall sensor signals or encoder signals. See Table 2-4 for details of the settings.
R12UZ0138EJ0100 Rev.1.00
February 28, 2024
Fig. 4-9 Communication I/F circuit
Fig. 4-10 Sensor I/F circuit
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