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TPS5124是双独立高效同步降压控制器。它支持使用5 V或12 V总线电压的低压/大电流电源应用。由于TPS5124的两个控制器都以180度异相工作，因此输入电流纹波最小化，从而减小了输入电容并降低了电源成本。
电流保护电路检测到漏极 - 电流 - 高端和低端功率MOSFET在导通时的源电压降。此外，电流保护电路具有温度系数以补偿MOSFET的R DS（on）变化。这种无电阻电流保护和内置升压二极管简化了系统设计，减少了外部元件数量。其他功能，如欠压锁定，过压，欠压和可编程短路保护，可提高系统可靠性。
| Vin (Min) (V) |
| Vin (Max) (V) |
| Vout (Min) (V) |
| Vout (Max) (V) |
| Iout (Max) (A) |
| Regulated Outputs (#) |
| Number of Phases |
| Switching Frequency (Min) (kHz) |
| Switching Frequency (Max) (kHz) |
| Iq (Typ) (mA) |
| Features |
| Duty Cycle (Max) (%) |
| Operating Temperature Range (C) |
| Rating |
| Package Group |
| Control Mode |
| TPS5124 | TPS5120 | TPS51221 | TPS51222 |
|---|---|---|---|
| 4.5 | 4.5 | 4.5 | 4.5 |
| 15 | 28 | 28 | 32 |
| 0.9 | 0.9 | 1 | 1 |
| 12 | 26 | 12 | 12 |
| 20 | 20 | 20 | 20 |
| 2 | 2 | 2 | 2 |
| 1 | 2 | 1 | 1 |
| 50 | 100 | 200 | 200 |
| 500 | 500 | 1000 | 1000 |
| 1.1 | 1.1 | 1.3 | 0.8 |
| Enable Light Load Efficiency Power Good Synchronous Rectification | Enable Light Load Efficiency Phase Interleaving Power Good Synchronous Rectification | Enable Frequency Synchronization Light Load Efficiency Phase Interleaving Power Good Synchronous Rectification | Enable Frequency Synchronization Light Load Efficiency Phase Interleaving Power Good Synchronous Rectification |
| 80 | 80 | 99 | 99 |
| -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
| Catalog | Catalog | Catalog | Catalog |
| TSSOP | TSSOP | WQFN | WQFN |
| Voltage Mode | Voltage Mode | Current Mode | |
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