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Controllers | NCP81611
概览
NCP81611 是针对新一代计算和图形处理器优化的多相同步控制器。该器件能够驱动多达 4 个相位，并集成了差分电压和相电流感应、自适应电压定位和 PWM_VID 接口，可为计算机或图形控制器提供准确调节的电源。集成的省电接口 (PSI) 允许处理器将控制器设置为以下三种模式之一：即，所有相位开启、动态相位脱落或固定低相位计数模式，以在轻型负载条件下获得高效能。双沿 PWM 多相架构可确保快速的瞬变响应和良好的动态电流平衡
- GPU and CPU Power
- Graphic Cards
- Desktop, Notebook, Sever systems
- Graphic Cards
- Desktop, Notebook, Sever systems
- Compliant with NVIDIA OVR4i+ Specifications
- Supports up to 4 Phases
- 2.8 V to 20 V Supply Voltage Range
- 250 kHz to 1.2 MHz Switching Frequency (4 Phase)
- Per Phase Over Current Limiting (OCL)
- System Over Current Protection (OCP)
- Over Voltage Protection (OVP)
- Under Voltage Protection (UVP)
- Phase−to−Phase Dynamic Current Balancing
- Current Mode Dual Edge Modulation for Fast Initial Response toTransient Loading
- Power Saving Interface (PSI)
- Automatic Phase Shedding with User Settable Thresholds
- PWM_VID and I2C Control Interface
- 40 Pin QFN Package (5 x 5 mm Body, 0.4 mm Pitch)
- Pb−Free and are RoHS Compliant
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