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AOZ73004QI

Multiphase Controllers

Status: New

The AOZ73004QI is a high performance multi-phase buck controller designed in compliance with NVIDIA OpenVReg specifications. It provides one output rail and supports PWMVID interface.

Parametrics
Status
New
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
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 or SPS Power Stages
  • 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 Load-Line Control and 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 Protection (OCP)
  • Over-Temperature Protection (OTP)
Documentation
TitleTypeDateFile
AOZ73004QI Product Brief
Product Brief2024-02-15PDF