SNOSDA7E September 2020 – February 2024 LMG3422R030 , LMG3426R030
PRODUCTION DATA
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The LMG3422R030 can be configured to report faults either with both the FAULT and OC pins or just with the FAULT pin. Shorting the OC pin to ground during device VDD power up configures the LMG3422R030 to only report faults with the FAULT pin.
The LMG3426R030 does not have the OC pin and only reports faults with the FAULT pin.
The FAULT and OC pins are push-pull outputs. The high-level output voltage is pulled up to the LDO5V pin.
Table 7-3 shows the fault reporting truth table when both the FAULT pin and OC pins report faults.
No Fault | VDD UVLO | Overtemperature | High-Impedance RDRV Pin | Overcurrent | Short-Circuit | |
---|---|---|---|---|---|---|
FAULT | 1 | 0 | 0 | 0 | 1 | 0 |
OC | 1 | 1 | 1 | 1 | 0 | 0 |
Table 7-2 shows the fault reporting truth table when only the FAULT pin reports faults.
No Fault | VDD UVLO | Overtemperature | High-Impedance RDRV Pin | Overcurrent | Short-Circuit | |
---|---|---|---|---|---|---|
FAULT | 1 | 0 | 0 | 0 | 0 | 0 |