JAJU528B August 2022 – January 2023 OPA388-Q1
For normal condition tests, there are no connections to the load card. This reference design is connected with both high-voltage and low-voltage power supplies. The high battery voltage was varied to measure the performance of analog circuit.
CH1: ISO_POS CH2: ISO_NEG CH3: RELAY_NEG CH4: RELAY_POS | |
CH1: ISO_POS CH2: ISO_NEG CH3: RELAY_NEG CH4: RELAY_POS | |
CH1: ISO_POS CH2: ISO_NEG CH3: RELAY_NEG CH4: RELAY_POS | |
CH1: ISO_POS CH2: ISO_NEG CH3: RELAY_NEG CH4: RELAY_POS | |
Table 3-1 lists the voltage measurements at different points of the board.
HV BATTERY VOLTAGE (SUPPLIED AND MEASURED) | MEASURED REFERENCE VOLTAGE | PEAK ISO_POS VOLTAGE | PEAK ISO_NEG VOLTAGE |
---|---|---|---|
100.006 | 2.505 | 2.295 | 2.714 |
150.008 | 2.504 | 2.19 | 2.819 |
200.003 | 2.504 | 2.086 | 2.923 |
250.004 | 2.504 | 1.982 | 3.027 |
300.004 | 2.504 | 1.878 | 3.131 |
350.004 | 2.504 | 1.774 | 3.235 |
400.006 | 2.504 | 1.669 | 3.34 |
450.007 | 2.504 | 1.565 | 3.444 |