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TO-247N(-4L) Half-Bridge Evaluation Board
User’s Guide
© 2022 ROHM Co., Ltd.
No. 63UG0
60E
Rev.001
2022.2
Table 2 LED lights and their meanings
3. Connector Pin Assignment
Connector pin assignments are shown in Figure 3.
The definitions of each signal and power pin are shown in Table 3 and Table 4.
(1)
CN1 (H-side signal input connector)
(2)
CN101 (L-side signal input connector)
(3)
CN201 (Control power supply power connector)
(4)
JP51 (H-side negative bias/0 V switching connector)
(5)
JP151 (L-side negative bias/0 V switching connector)
Figure 3 Connector pin assignment (Top view)
Silkscreen
notation
LED
LED lighting Details
HV alive
Red
Lit
The LED lights up when there is a voltage of 20 V or more in the high-voltage
power supply HVdc.
Never touch the board when this LED is lit, as it may be
lit even when the high-voltage power supply is disconnected.
Off
HVdc voltage is 20 V or less.
+5V_ON
Green
Lit
Lit during normal operation. When lit, control power (+12 V) is being output.
Off
No control power is applied.
HS_Vcc2_ON
LS_Vcc2_ON
Green
Lit
Lit during normal operation. The gate drive isolated power supply is rising
normally.
Off
No gate drive isolated power supply is being output.
VEE_HS
SOURCE_HS
GND2_HS
VEE_LS
SOURCE_LS
GND2_LS
