ISL91211BIKZ-T

Voltage Regulators - DC DC Switching Regulators Overview

The ISL91211BIKZ-T is a four-phase, four-output programmable Power Management IC (PMIC) from Renesas. It integrates highly efficient synchronous buck converters capable of multiphase and single-phase operations, delivering up to 5A per phase continuous output current. The device features an input voltage range of 2.5V to 5.5V and supports independent Dynamic Voltage Scaling (DVS). It utilizes proprietary R5 Technology for tight output accuracy and ultra-fast transient response without external compensation.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates four buck controllers with reconfigurable power stages for flexible design-in
• Features automatic Diode Emulation and Pulse Skipping modes to maximize battery life under light-load conditions
• Supports I2C programmable output and independent DVS for each output rail
• Includes comprehensive fault detection mechanisms such as UV, OV, OC, OT, and short-circuit protection

Voltage Regulators - DC DC Switching Regulators Applications

• Xilinx Artix-7 FPGA power solutions
• Xilinx Zynq-7000 FPGA power solutions
• Xilinx Spartan-7 FPGA power solutions
• Smartphones and AR/VR Glasses
• Artificial Intelligence Processors

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'IKZ' against official Renesas documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with required I2C addressing and pin configurations for your target FPGA or processor board. Cross-reference the datasheet revision date to validate feature availability and electrical characteristics before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this PMIC when designing systems requiring high current density and small solution size for Xilinx FPGAs or AI processors. It is suitable for applications needing multiple independently scalable voltage rails from a single 5V source. Consider its WLCSP packaging constraints and thermal management requirements during PCB layout to ensure optimal performance and reliability.

Voltage Regulators - DC DC Switching Regulators Part Context

The ISL91211B belongs to the ISL91211 family of specialized PMICs designed for portable and high-performance computing applications. It complements the ISL91211A by offering four outputs instead of three, providing greater flexibility for complex multi-rail power architectures in modern electronic devices requiring efficient power distribution.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

ISL91211AIKZ-T serves as a functional alternative within the same family, differing primarily in output configuration.