SLUAA76A June 2022 – September 2024 UCC27524A-Q1
4.1 SOIC Package
Figure 4-1 shows the UCC27524A-Q1 pin diagram for the SOIC package. For a detailed description of the device pins please refer to the Pin Configuration and Functions section in the UCC27524A-Q1 data sheet.
Figure 4-1 Pin Diagram (SOIC) Package TopviewTable 4-2 Pin FMA for Device Pins Short-Circuited to
Ground
| Pin Name | Pin No. | Description of Potential Failure Effects | Failure Effect Class |
|---|---|---|---|
| ENA | 1 | OUTA stuck low. | B |
| INA | 2 | OUTA stuck low | B |
| GND | 3 | No effect. | D |
| INB | 4 | OUTB stuck low. | B |
| OUTB | 5 | OUTB stuck low. Device can be damaged. | A |
| VDD | 6 | No power is applied to the device. | D |
| OUTA | 7 | OUTA stuck low. Device can be damaged. | A |
| ENB | 8 | OUTB stuck low. | B |
Table 4-3 Pin FMA for Device Pins
Open-Circuited
| Pin Name | Pin No. | Description of Potential Failure Effects | Failure Effect Class |
|---|---|---|---|
| ENA | 1 | OUTA is enabled. OUTA follows INA command. | B |
| INA | 2 | OUTA stuck low. | B |
| GND | 3 | No power is applied to the device. OUTA and OUTB pulled up to VDD. | D |
| INB | 4 | OUTB stuck low. | B |
| OUTB | 5 | No effect. OUTB is disconnected from the gate of power stage. | D |
| VDD | 6 | No power is applied to the device. | D |
| OUTA | 7 | No effect. OUTA is disconnected from the gate of power stage. | B |
| ENB | 8 | OUTB is enabled. OUTB follows INB command. | B |
Table 4-4 Pin FMA for Device Pins Short-Circuited to
Adjacent Pin
| Pin Name | Pin No. | Shorted to | Description of Potential Failure Effects | Failure Effect Class |
|---|---|---|---|---|
| ENA | 1 | INA | Lose ENA disabling control of OUTA. | B |
| INA | 2 | GND | OUTA stuck low. | B |
| GND | 3 | INB | OUTB stuck low | B |
| OUTB | 5 | VDD | OUTB stuck high. Device can be damaged. | A |
| VDD | 6 | OUTA | OUTA stuck high. Device can be damaged. | A |
| OUTA | 7 | ENB | OUTA unknown. Device can be damaged. | A |
Table 4-5 Pin FMA for Device Pins Short-Circuited to
Supply
| Pin Name | Pin No. | Description of Potential Failure Effects | Failure Effect Class |
|---|---|---|---|
| ENA | 1 | OUTA is enabled. OUTA follows INA command. | B |
| INA | 2 | OUTA is stuck high. Device may be damaged. | A |
| GND | 3 | No power is applied to the device. | D |
| INB | 4 | OUTB is stuck high. | B |
| OUTB | 5 | OUTB is stuck high. Device can be damaged. | A |
| VDD | 6 | No effect. | D |
| OUTA | 7 | OUTA is stuck high. Device can be damaged. | A |
| ENB | 8 | OUTB is enabled. OUTB follows INB command. | D |