AOZ73004CQI vs RT9161-33PX Comparison
Detailed side-by-side comparison of AOZ73004CQI by Alpha & Omega Semiconductor and RT9161-33PX by Richtek. 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 ✓ Active
Specification Comparison
| Parameter | AOZ73004CQI | RT9161-33PX |
|---|---|---|
| Brand | Alpha & Omega Semiconductor | Richtek |
| Category | Voltage Regulators | Voltage Regulators |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.05 | $0.16 |
| 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 | — |
| Package | QFN-32 (5x5 mm) with exposed pad | SOT-89 |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| 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) | — |
| RoHS Status | Compliant | [DATA_NEEDED: RoHS compliance status] |
| Lead-Free Finish | Yes | — |
| 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 |
| Marking Code | — | A3- |