RT9161-33PX vs AOZ73004CQI Comparison
Detailed side-by-side comparison of RT9161-33PX by Richtek and AOZ73004CQI by Alpha & Omega Semiconductor. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Alpha & Omega Semiconductor
AOZ73004CQI - NVIDIA OpenVReg Multiphase Buck Controller | AOS
AOZ73004CQI ✓ ActiveSpecification Comparison
| Parameter | RT9161-33PX | AOZ73004CQI |
|---|---|---|
| Brand | Richtek | Alpha & Omega Semiconductor |
| Category | Voltage Regulators | Voltage Regulators |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.16 | $2.05 |
| Manufacturer | Richtek Technology Corporation | — |
| Series | RT9161/A | — |
| Regulator Type | LDO (Low-Dropout) Linear Regulator | — |
| Output Type | Fixed | — |
| Output Voltage | 3.3 V | — |
| Output Voltage Tolerance | ±2% | — |
| Maximum Output Current | 300 mA | — |
| Input Voltage Range | [DATA_NEEDED: input voltage range] | — |
| Dropout Voltage | [DATA_NEEDED: dropout voltage at 300 mA] | — |
| Quiescent Current (Ground) | 110 µA typical (zero to full load) | — |
| Line Regulation | [DATA_NEEDED: line regulation] | — |
| Load Regulation | [DATA_NEEDED: load regulation] | — |
| Current Limit | Built-in (internal current limit) | — |
| Thermal Protection | Built-in thermal shutdown | — |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Package | SOT-89 | QFN-32 (5x5 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Marking Code | A3- | — |
| RoHS Status | [DATA_NEEDED: RoHS compliance status] | Compliant |
| Product Type | — | Multiphase Buck Controller (PMIC) |
| Number of Output Rails | — | 1 |
| Compliance Standard | — | NVIDIA OpenVReg |
| Dynamic Voltage Control Interface | — | PWMVID with external REFIN input |
| PWMVID Output Voltage Setting | — | Vmin at 0% duty, Vmax at 100% duty cycle |
| Output Configuration | — | Multi-phase buck (DrMOS-based smart power stages) |
| Primary Applications | — | GPU and CPU core power, graphic cards, desktop and notebook platforms |
| Supply Voltage | — | [DATA_NEEDED: VCC supply voltage range] |
| Switching Frequency Range | — | [DATA_NEEDED: switching frequency range] |
| Maximum Number of Phases | — | [DATA_NEEDED: configurable phase count] |
| Current Sense Method | — | Per-phase DCR / IMON (DrMOS interface) |
| Telemetry Outputs | — | IMON (current monitor), PGOOD (power good) |
| Protection Features | — | OVP, UVP, OTP (typical for multiphase controllers) |
| Lead-Free Finish | — | Yes |