AOZ71124QI
数字多相控制器
Status: New
The AOZ71124QI is a high performance digital & analog hybrid multiphase buck controller designed in compliance with Intel IMVP8, 9, and 9.1/9.2 platform specifications. It provides two output rails (up to 2 + 2) and supports 3 separate SVID domains. Up to 2 phases for core voltage domain (IA) and 2 phases for graphics voltage domain (GT) as well as the PSYS domain’s reporting functions, incorporated into a single SVID interface. AOS offers a novel AOS Advanced Transient Modulator (A2TM). It combines an advanced variable frequency hysteretic peak current mode control with proprietary phase current sensing scheme for fast transient response and low system cost. The control loop enhances light-load efficiency by seamlessly entering DCM mode of operation.
Parametrics
Status | New |
Interface Protocol | IMVP SVID / SMBUS |
Power Stage Support | DrMOS |
Max Phase Configuration | 2+2 |
# Outputs | 2 |
Package | QFN5x5-40L |
Application | Notebook, Desktop, Graphics |
Min Vin (V) | 2.50 |
Max Vin (V) | 24 |
Min VOUT (V) | 0 |
Max VOUT (V) | 1.95 |
Operating Freq (kHz) | 400 - 1100 |
Std. Footprint | No |
Programmability | SMBUS / MTP /RAM |
Parametrics
Status | New |
Interface Protocol | IMVP SVID / SMBUS |
Power Stage Support | DrMOS |
Max Phase Configuration | 2+2 |
# Outputs | 2 |
Package | QFN5x5-40L |
Application | Notebook, Desktop, Graphics |
Min Vin (V) | 2.50 |
Max Vin (V) | 24 |
Min VOUT (V) | 0 |
Max VOUT (V) | 1.95 |
Operating Freq (kHz) | 400 - 1100 |
Std. Footprint | No |
Programmability | SMBUS / MTP /RAM |
Features
- 2.5V to 24V VIN input supply voltage
- Dual output rails: 2/1 + 2/1 phases
- Digital & analog hybrid controller with SMBus programmability and lowest power consumption
- SVID Interface to CPU compliant with IMVP8, 9, and 9.1 /9.2 specifications
- Support Fast V-Mode (FVM) to protect CPU - Differential remote sensing to achieve 0.5% regulated VOUT accuracy
- Low quiescent current: 2.92mA at PS0 for 2 + 1 configuration
- 38μA quiescent current at Intel PS4 state
- Supports multi-sourced industry standard DrMOS or driver + MOSFET power stages
- User friendly GUI for compensation and configurations with minimal external RC components
- ECS programmability for configurations with Built-in MTP and RAM
- Proprietary, high performance AOS Advanced Transient Modulator (A2TM) control scheme:
- Variable frequency hysteretic peak current mode control gives fast transient response
- Dynamic phase current balance
- Excellent load-line control and phase current sensing
- Seamless CCM to DCM control to maximize efficiency - System Input Power Monitoring (both PSYS and VSYS)
- 400kHz to 1.1MHz programmable switching frequency
- Acoustic Noise Suppression
- Output Under-Voltage Protection (UVP)
- Output Over-Voltage Protection (OVP)
- Over-Current Protection (OCP)
- Over-Temperature Protection (OTP)
- QFN5x5-40L package
Documentation
| Title | Type | Date | File |
|---|---|---|---|
| AOZ71124QI Product Brief | Product Brief | 2025-04-22 | |
| QFN5x5_40L_EP1_S | Package | 2021-10-24 | |
| QFN5x5_40L_EP1_S Tape & Reel | Tape & Reel | 2024-03-15 |
Package Details
| Package Name | Dimensions | Package Specifications | Packaging Method |
|---|---|---|---|
| QFN5x5_40L_EP1_S | 5.0x5.0x0.9 | Tape and Reel |