ISL91211AIKZ-TR5874

Voltage Regulators - DC DC Switching Regulators Overview

The ISL91211AIKZ-TR5874 is a specialized Power Management IC (PMIC) from the Renesas ISL91211 series, designed for high-density applications. It integrates three synchronous buck converters configured as a triple-output 2+1+1 phase system. The device supports an input voltage range of 2.5V to 5.5V and delivers up to 5A per phase. It features a compact 54-ball WLCSP package with a 0.4mm pitch, measuring approximately 2.551mm x 3.67mm. Key electrical parameters include programmable PWM frequencies from 2MHz to 6MHz and output voltages adjustable from 0.3V to 2V.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates proprietary R5 Technology for ultra-fast transient response and tight load regulation without external compensation
• Supports independent Dynamic Voltage Scaling (DVS) for each output via I2C interface
• Features automatic Diode Emulation and Pulse Skipping modes to maximize efficiency under light-load conditions
• 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 supply design
• Smartphones and mobile devices requiring high current density
• Artificial Intelligence processors and edge computing modules
• Optical transceiver modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'TR5874' against official Renesas documentation to confirm tape-and-reel packaging specifications and lot traceability. Ensure compatibility with the 54-ball WLCSP footprint during PCB layout. Confirm RoHS compliance status through the manufacturer's latest product change notifications before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing systems requiring a small solution size with high output power density. It is suitable for applications needing flexible reconfiguration between multiphase and single-phase operations. Consider the integrated MOSFETs and programmable frequency for minimizing external passive component requirements compared to discrete solutions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL91211 family of programmable PMICs, which also includes the ISL91211B variant offering four outputs. The series is optimized for Xilinx FPGA platforms, providing dedicated reference boards for validation. It represents Renesas' focus on high-efficiency power management for complex digital logic loads.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The ISL91211BIKZ-TR5874 serves as a functional substitute within the same package, offering a quad-output configuration instead of triple. Designers must account for the additional output channel and potential pinout differences if migrating between these variants.