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AOZ73004CQI
Multiphase Controllers
Status: Full Production
The AOZ73004CQI is a high performance multiphase buck controller designed in compliance with OpenVReg specifications. It provides one output rail and supports PWMVID interface.
Parametrics
Status | Full Production |
Interface Protocol | PWMVID |
Power Stage Support | DrMOS |
Max Phase Configuration | 4 |
# Outputs | 1 |
Package | QFN4x4_32L |
Application | Server, Graphics, Notebook |
Min Vin (V) | 2.70 |
Max Vin (V) | 20 |
Min VOUT (V) | 0.20 |
Max VOUT (V) | 2 |
Operating Freq (kHz) | 300 - 1000 |
Std. Footprint | Yes |
Programmability | No |
Parametrics
Status | Full Production |
Interface Protocol | PWMVID |
Power Stage Support | DrMOS |
Max Phase Configuration | 4 |
# Outputs | 1 |
Package | QFN4x4_32L |
Application | Server, Graphics, Notebook |
Min Vin (V) | 2.70 |
Max Vin (V) | 20 |
Min VOUT (V) | 0.20 |
Max VOUT (V) | 2 |
Operating Freq (kHz) | 300 - 1000 |
Std. Footprint | Yes |
Programmability | No |
Features
- Compliant with OVR-4-22 specifications
- Supports up to 4 phase
- 2.7V to 20V VIN input supply voltage
- 300kHz to 1MHz programmable switching frequency
- High performance operational error amplifier
- Differential remote sensing to achieve 1% regulated VOUT accuracy
- Supports multi-sourced industry standard DrMOS
- Proprietary, high performance AOS Advanced Transient Modulator (A2TM) control scheme:
- Variable frequency hysteretic peak current mode control gives fast transient response.
- Dynamic phase-to-phase current balancing
- Excellent phase current sensing
- Seamless CCM to DCM control to maximize efficiency - Supports DCR or RON_LG sensing current balance
- Automatic Phase Shedding (APS) with user settable thresholds
- Power Saving Interface (PSI)
- Supports Diode Emulation Mode (DEM)
- PWMVID interface
- Output Under-Voltage Protection (UVP)
- Output Over-Voltage Protection (OVP)
- Over-Current Limit (OCL) with reinforced recovery response
- Thermal Warning (THWRN)
Documentation
| Title | Type | Date | File |
|---|---|---|---|
| AOZ73004CQI Product Brief | Product Brief | 2025-10-23 | |
| QFN4x4_32L_EP1_S | Package | 2024-10-23 | |
| QFN4x4_32L_EP1_S Tape & Reel | Tape & Reel | 2024-10-04 |
Package Details
| Package Name | Dimensions | Package Specifications | Packaging Method |
|---|---|---|---|
| QFN4x4_32L_EP1_S | 4.0x4.0x0.85 | Tape and Reel |