| Part Number | TPS40090PWR | TPS40091PWR | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| Category | PMIC - Voltage Regulators - DC DC Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers | 
|   |   | |
| Product Status | Active | Active | 
| Output Type | PWM Signal | PWM Signal | 
| Function | Step-Down | Step-Down | 
| Output Configuration | Positive | Positive | 
| Topology | Buck | Buck | 
| Number of Outputs | 4 | 4 | 
| Output Phases | 4 | 4 | 
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 15V | 4.5V ~ 15V | 
| Frequency - Switching | 100kHz ~ 1.2MHz | 100kHz ~ 1.2MHz | 
| Duty Cycle (Max) | 87.5% | 87.5% | 
| Synchronous Rectifier | No | No | 
| Clock Sync | Yes | Yes | 
| Serial Interfaces | - | - | 
| Control Features | Current Limit, Enable, Frequency Control, Power Good, Soft Start | Current Limit, Enable, Frequency Control, Power Good, Soft Start | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 24-TSSOP (0.173", 4.40mm Width) | 24-TSSOP (0.173", 4.40mm Width) | 
| Supplier Device Package | 24-TSSOP | 24-TSSOP |