ISL91211AIKZT7AR5873

Voltage Regulators - DC DC Switching Regulators Overview

The ISL91211AIKZT7AR5873 is a specialized Power Management IC (PMIC) from Renesas, specifically designed as part of the ISL91211 family. It functions as a four-phase, three-output programmable PMIC optimized for high-efficiency synchronous buck converter operations. The device integrates low ON-resistance MOSFETs and supports multiphase or single-phase configurations to deliver up to 5A per phase continuous output current. It utilizes proprietary R5 Technology for tight output accuracy, ultra-fast transient response, and seamless DCM/CCM transitions without external compensation. The component operates with an input voltage range of 2.5V to 5.5V and features programmable PWM frequency.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates four buck controllers capable of reconfiguring power stages for flexible multi-phase or single-phase operation.
• Features proprietary R5 Technology controller providing tight output accuracy, load regulation, and ultra-fast transient response.
• Includes automatic Diode Emulation and Pulse Skipping modes under light-load conditions to maximize efficiency.
• Supports independent Dynamic Voltage Scaling (DVS) for each output with remote voltage sensing capabilities.

Voltage Regulators - DC DC Switching Regulators Applications

• Power supply design for Xilinx Artix-7 FPGAs
• Power supply design for Xilinx Spartan-7 FPGAs
• Power supply design for Xilinx Zynq-7000 SoCs

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'T7AR5873' against official Renesas documentation to confirm tape-and-reel quantity and packaging specifications. Ensure compatibility with the required WLCSP-54 package dimensions. Confirm that the intended application aligns with the supported FPGA families listed in the datasheet. Check for any product change notifications regarding pinout or electrical characteristics updates.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing power systems for Xilinx Artix-7, Spartan-7, or Zynq-7000 series devices requiring a compact solution size. It is suitable for applications needing high output power with minimal external components due to integrated MOSFETs. Consider its programmable frequency and DVS capabilities if dynamic power management and fast load transient response are critical requirements.

Voltage Regulators - DC DC Switching Regulators Part Context

The ISL91211AIKZT7AR5873 belongs to the ISL91211 series of Power Management ICs. This series includes variants like the ISL91211A and ISL91211B, which offer three and four outputs respectively. These PMICs are engineered for portable and embedded applications demanding high efficiency and small form factors, leveraging advanced synchronous buck technology.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult Renesas technical support for alternative recommendations if this specific variant is unavailable.