RT8881A Description
The RT8881A is a multi-phases PWM controller. Moreover, it is pliant with AMD SVI2 Voltage Regulator Specification to support both CPU core (VDD) and Northbridge portion (VDDNB) of the CPU. The RT8881A adopts the G-NAVPTM (Green-Native AVP), which is a Richtek's proprietary topology.
RT8881A Key Features
- Dual Outputs : 4/3/2/1-Phase for VDD 2/1/0-Phase for VDDNB
- G-NAVPTM Topology
- Support Dynamic Load-Line and Zero Load-Line
- Diode Emulation Mode at Light Load Condition
- SVI2 Interface to ply with AMD Power
- I2C Interface for Platform Configuration
- Build-in ADC for VOUT and IOUT Reporting
- Immediate OV, UV and NV Protections and UVLO
- Programmable Dual OCP Mechanism
- Accurate Current Balance