Description:The ISL95712 is fully compliant with AMD Fusion™ SVI 2. 0 and provides a complete solution for microprocessor and graphics processor core power. The ISL95712 controller supports two Voltage Regulators (VRs) for Core and Northbridge outputs. The Core VR can be configured for 4-, 3-, 2-, or 1-phase operation while the Northbridge VR supports 3-, 2- or 1-phase configurations for maximum flexibility. The two VRs share a serial control bus to communicate with the AMD CPU and achieve lower cost and smaller board
Renesas provides a recommended PCB layout guide in their application note AN1995, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure optimal performance.
To ensure reliable operation in high-vibration environments, it is recommended to follow Renesas' guidelines for component mounting and PCB design, as outlined in their application note AN1995. Additionally, consider using a vibration-resistant mounting method, such as a screw-down or adhesive-based mounting, and ensure that the PCB is properly secured to the system.
Although the datasheet specifies a maximum voltage of 6V on the EN pin, Renesas recommends limiting the voltage to 5.5V to ensure reliable operation and prevent damage to the device.
To troubleshoot issues with the I2C interface, use a logic analyzer or oscilloscope to verify the I2C clock and data signals. Check for proper signal levels, rise and fall times, and ensure that the I2C bus is not overloaded. Additionally, consult Renesas' application note AN1995 for I2C interface guidelines and troubleshooting tips.
Renesas recommends using a 10uF to 22uF ceramic capacitor with a voltage rating of 10V or higher as the input capacitor (CIN) for optimal performance and noise reduction.
Trust Checks
This model has been built in collaboration with the manufacturer.
Manufacturer Collaborated
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
ISL95712HRZ Overview
Use the download button to access the ISL95712HRZ schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like ISL95,
or try a keyword search, such as Switching Regulator or Controllers
