Optimized Multi-Phase PWM Controller with 6-Bit DAC and Programmable Internal Temperature Compensation for VR10.X Application The ISL6556BCR is a manufacturer part from **INTERSIL** (now part of Renesas Electronics). Below are its specifications, descriptions, and features based on factual information:
### **Specifications:**
- **Manufacturer:** INTERSIL (Renesas Electronics)
- **Part Number:** ISL6556BCR
- **Type:** PWM Controller
- **Function:** Multi-Phase Buck PWM Controller
- **Input Voltage Range:** 4.5V to 12V
- **Output Voltage Range:** Adjustable (typically 0.8V to 5.5V)
- **Number of Phases:** 1 to 6 phases (configurable)
- **Switching Frequency:** Adjustable (typically 200kHz to 1MHz)
- **Duty Cycle:** Up to 100%
- **Package:** 28-Lead SOIC (Small Outline Integrated Circuit)
### **Descriptions:**
The ISL6556BCR is a high-performance, multi-phase PWM controller designed for precision voltage regulation in high-current applications. It supports 1 to 6-phase operation, providing flexibility for power supply designs in servers, workstations, and other computing systems. The controller features adaptive voltage positioning (AVP) and integrates critical functions for power management, including overvoltage, undervoltage, and overcurrent protection.
### **Features:**
- **Multi-Phase Operation:** Configurable for 1 to 6 phases.
- **Adaptive Voltage Positioning (AVP):** Improves transient response.
- **Precision Voltage Regulation:** ±0.8% system accuracy over temperature.
- **Programmable Switching Frequency:** 200kHz to 1MHz.
- **Overcurrent Protection (OCP):** Monitors and limits current.
- **Overvoltage Protection (OVP) & Undervoltage Protection (UVP):** Safeguards the system.
- **Power-Good Output:** Indicates stable output voltage.
- **Differential Remote Voltage Sensing:** Ensures accurate regulation.
- **Thermal Monitoring:** Supports external temperature sensing.
This information is strictly based on the manufacturer's datasheet and technical documentation.
