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RT8167B Даташит - Richtek

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General Description
The RT8167B is a dual single-phase PWM controller with integrated MOSFET drivers, compliant with Intel IMVP7 Pulse Width Modulation Specification to support both CPU core and GPU core power. This part adopts G-NAVPTM (Green-Native AVP), which is a Richtek proprietary topology derived from finite DC gain compensator in constant on time control mode. G-NAVPTM makes this part an easy setting PWM controller to meet all Intel AVP (Active Voltage Positioning) mobile CPU/GPU requirements. The RT8167B uses SVID interface to control an 8-bit DAC for output voltage programming. The built-in high accuracy DAC converts the received VID code into a voltage value ranging from 0V to 1.52V with 5mV step voltage.

Features
Dual Single-Phase PWM Controller for CPU Core and GPU Core Power
IMVP7 Compatible Power Management States
Serial VID Interface
G-NAVPTM Topology
AVP for CPU VR Only
0.5% DAC Accuracy
0.8% System Accuracy
Differential Remote Voltage Sensing
Built-in ADC for Platform Programming
   SETINI/SETINIA for CPU/GPU Core VR Initial Startup Voltage
   TMPMAX to Set Platform Maximum Temperature
   ICCMAX/ICCMAXA for CPU/GPU Core VR Maximum Current
Power Good Indicator : VR_READY/VRA_READY for CPU/GPU Core Power
Thermal Throttling Indicator : VRHOT
Diode Emulation Mode at Light Load Condition
Fast Line/Load Transient Response
Switching Frequency up to 1MHz per Phase
OVP, UVP, NVP, OTP, UVLO, OCP
Small 40-Lead WQFN Package
RoHS Compliant and Halogen Free

Applications
IMVP7 Intel CPU/GPU Core Power Supply
Laptop Computers
AVP Step-Down Converter

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Номер в каталоге
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PDF
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