ISL91211AIKZ-T

Voltage Regulators - DC DC Switching Regulators Overview

The ISL91211AIKZ-T is a triple-output programmable Power Management IC (PMIC) from Renesas, optimized for high-efficiency synchronous buck converter applications. It features four buck controllers capable of multiphase and single-phase operations, delivering up to 5A per phase continuous output current. The device operates with an input voltage range of 2.5V to 5.5V and supports programmable PWM frequencies from 2MHz to 6MHz. Output voltages are adjustable from 300mV to 1.2V via I²C interface. Integrated low ON-resistance MOSFETs and proprietary R5 Technology ensure tight accuracy, fast transient response, and seamless mode transitions without external compensation.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Proprietary R5 Technology controller providing ultra-fast transient response and tight output accuracy without external compensation
• Flexible power stage reconfiguration allowing multiphase or single-phase operation for diverse design requirements
• Integrated automatic Diode Emulation and Pulse Skipping modes to maximize efficiency under light-load conditions
• Independent Dynamic Voltage Scaling (DVS) support for each output with remote voltage sensing capability

Voltage Regulators - DC DC Switching Regulators Applications

• Xilinx Artix-7 FPGA power supply designs
• Xilinx Zynq-7000 series FPGA power solutions
• Xilinx Spartan-7 FPGA power management
• Smartphones and AR/VR glasses power systems
• Artificial Intelligence processor power delivery

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'AIKZ' against official Renesas documentation to confirm package type and temperature grade alignment with your design requirements. Confirm availability status as distribution channels may indicate limited stock or special order constraints. Ensure the ordering part number matches the exact electrical specifications required for your target FPGA or application platform.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing for Xilinx Artix-7, Zynq-7000, or Spartan-7 FPGAs requiring a compact, multi-rail power solution. The ISL91211AIKZ-T is suitable for applications demanding high efficiency, small footprint, and flexible output configuration. Consider its I²C programmability and DVS capabilities if dynamic voltage adjustment is necessary for system optimization.

Voltage Regulators - DC DC Switching Regulators Part Context

The ISL91211A belongs to Renesas' specialized PMIC family designed for mobile and client computing applications. It complements other variants like the ISL91211B (quad output) and ISL91212 series. This IC addresses the need for high-density power delivery in space-constrained environments while maintaining robust performance through integrated MOSFETs and advanced control algorithms.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers: ISL91211BIKZ-T.