双PWM控制器提供电力AMD SVI分割平面处理器 Dual PWM Controller Powering AMD SVI Split-Plane Processors
The ISL6329 dual PWM controller delivers high efficiency and tight regulation from two synchronous buck DC/DC converters. The ISL6329 supports power control of AMD processors, which operate from a serial VID interface SVI. The dual output ISL6329 features a multiphase controller to support the Core voltage VDD and a single phase controller to power the Northbridge VDDNB.
Features
• Processor Core Voltage Via Integrated Multiphase Power Conversion
• Configuration Flexibility
\- 1 or 2-Phase Operation with Internal Drivers
\- 3,4,5 or 6-Phase Operation with External PWM Drivers
• PSI_L Support
\- Phase Shedding for Improved Efficiency at Light Load
\- Diode Emulation in PSI mode
\- Gate Voltage Optimization
• I2C Interface with 8 Selectable Addresses
• Precision Core Voltage Regulation
\- Differential Remote Voltage Sensing
\- ±0.6% System Accuracy Over-Temperature
• Optimal Processor Core Voltage Transient Response
\- Adaptive Phase Alignment APA
\- Active Pulse Positioning Modulation
• Fully Differential, Continuous DCR Current Sensing
\- Accurate Load Line Programming
\- Precision Channel Current Balancing
\- Temperature Compensated
• Serial VID Interface Handles up to 3.4MHz Clock Rates
• Two Level Overcurrent Protection Allows for High Current Throttling IDD_SPIKE
• Multi-tiered Overvoltage Protection
• Selectable Switching Frequency up to 1MHz
• Simultaneous Digital Soft-Start of Both Outputs
• Pb-Free RoHS Compliant
