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BMS assembly it can provide a path to earth ground, which in severe cases can reset the BMS. Renesas recommends that the BMS assembly ground is provided a connection to earth ground before a test system, oscilloscope, communications dongle, or other powered items are connected.
Figure 1. ISO-DONGLE1Z Board Configuration for 3.3V Devices By default, the ISO-DONGLE1Z is configured to work with the ISL94202 and ISL94203, which operate with 2.5 V logic. For compatible devices with 3.3V logic, replace R2 in Figure 2 with a 16.9kΩ...
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