6.2.1 Design Requirements
For this design example, use the parameters listed in Table 6-1.
Table 6-1 Design Parameters
| DESIGN PARAMETER |
TPS6590378ZWSR |
TPS6590379ZWSR |
| Supply voltage |
3.3 V to 5 V |
3.8 V to 5 V |
| Switching frequency |
2.2 MHz |
2.2 MHz |
| SMPS12 voltage |
1.15 V |
1.15 V |
| SMPS12 current |
6 A |
6 A |
| SMPS3 voltage |
1.35 V or 1.5 V |
1.35 V or 1.5 V |
| SMPS3 current |
3 A |
3 A |
| SMPS45 voltage |
1.06 V |
1.06 V |
| SMPS45 current |
4 A |
4 A |
| SMPS6 voltage |
1.15 V |
1.06 V |
| SMPS6 current |
3 A |
3 A |
| SMPS7 voltage |
0.7 V to 3.3 V |
1.15 V |
| SMPS7 current |
2 A |
2 A |
| SMPS8 voltage |
1.06 V |
1.06 V |
| SMPS8 current |
1 A |
1 A |
| SMPS9 voltage |
0.7 V to 3.3 V |
3.3 V |
| SMPS9 current |
1 A |
1 A |
| LDO1 voltage |
3.3 V |
3.3 V |
| LDO1 current |
300 mA |
300 mA |
| LDO2 voltage |
3.3 V |
1.8 V |
| LDO2 current |
300 mA |
300 mA |
| LDO3 voltage |
1.8 V |
1.8 V |
| LDO3 current |
200 mA |
200 mA |
| LDO4 voltage |
1.8 V |
1.8 V |
| LDO4 current |
200 mA |
200 mA |
| LDO9 voltage |
1.05 V |
1.05 V |
| LDO9 current |
50 mA |
50 mA |
| LDOLN voltage |
1.8 V |
1.8 V |
| LDOLN current |
50 mA |
50 mA |
| LDOUSB voltage |
3.3 V |
3.3 V |
| LDOUSB current |
100 mA |
100 mA |