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AOZ73004CQI

Multiphase Controllers

Status: New

The AOZ73004CQI is a high performance multiphase buck controller designed in compliance with NVIDIA OpenVReg specifications. It provides one output rail and supports PWMVID interface.

AOZ73004CQI Typical App Drawing
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Parametrics
Status
New
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
Max Phase Configuration
4
# Outputs
1
Interface Protocol
PWMVID
Programmability
No
Power Stage Support
DrMOS
Parametrics
Status
New
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
Max Phase Configuration
4
# Outputs
1
Interface Protocol
PWMVID
Programmability
No
Power Stage Support
DrMOS
Features
  • Compliant with NVIDIA OVR-4-22 specifications 
  • Supports up to 4 phase 
  • 2.7 V to 20 V VIN input supply voltage 
  • 300 kHz to 1 MHz 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) 
  • Cycle-by-Cycle current limit 
  • Thermal Warning (THWRN)
Documentation
TitleTypeDateFile
AOZ73004CQI Product Brief
Product Brief2024-11-04PDF
QFN4x4_32L_EP1_S
Package2024-10-23PDF
QFN4x4_32L_EP1_S Tape & Reel
Tape & Reel2024-10-04PDF
Package Details
Package NameDimensionsPackage SpecificationsPackaging Method
QFN4x4_32L_EP1_S 4.0x4.0PDFTape and Reel