DA9223-XXFT1-AT

Overview

The DA9223-XXFT1-AT is an automotive-grade, single-channel, quad-phase buck converter PMIC designed for high-current CPU and GPU power rails. It delivers up to 16A output current with a switching frequency of 3MHz. The device supports an input voltage range of 2.8V to 5.5V and provides programmable output voltages from 0.3V to 1.57V via internal settings or up to 4.3V using external resistors. It features integrated power FETs, remote sensing, and dynamic voltage control (DVC). The component operates within a temperature range of -40°C to +105°C and utilizes a 66-pin BGA package with a 0.8mm pitch.

Feature Summary

• Integrated quad-phase buck converter architecture providing high efficiency and fast transient response suitable for multicore processors.
• Fully integrated power switches eliminate the need for external FETs or Schottky diodes, simplifying design.
• Remote sensing capability ensures high accuracy at the point of load despite PCB trace resistance.
• Dynamic Voltage Control (DVC) allows adaptive voltage adjustment based on processor load to optimize power consumption.

Applications

• Automotive in-vehicle infotainment systems
• Advanced Driver Assistance Systems (ADAS)
• Navigation and telematics applications

Procurement Notes

Verify the specific suffix 'FT1' against official Renesas documentation to confirm tape-and-reel packaging configuration and exact binning. Ensure the part number matches the AEC-Q100 Grade 2 qualification requirements for your target automotive application. Confirm that the ordering code aligns with the desired output voltage programming options and interface settings before finalizing procurement.

Selection Notes

Select this component when designing power stages for automotive CPUs or GPUs requiring up to 16A continuous current. It is appropriate for applications needing fast transient response and precise load regulation. Consider the 0.8mm pitch BGA package constraints during PCB layout. Verify compatibility with I2C/SPI interfaces if digital control or monitoring is required for the system architecture.

Part Context

This part belongs to the DA9223-A series of Power Management ICs optimized for automotive environments. It is specifically engineered to support Renesas R-Car processor families. The device addresses the power delivery challenges of modern multicore application processors by integrating multiple phases into a compact form factor while maintaining automotive reliability standards.

Replacement Considerations

The DA9224-A is a related variant offering dual two-phase channels instead of a single quad-phase channel. Evaluate pinout compatibility and thermal performance differences when considering substitutes. Consult official substitution lists for verified alternatives that maintain the same automotive grade and electrical specifications.

FAQ

What is the maximum output voltage achievable with external components?

While the internal programmable range is 0.3V to 1.57V, the output voltage can be extended up to 4.3V using an external resistor divider.

Does the device require external power switches?

No, the DA9223-XXFT1-AT fully integrates the power FETs, removing the need for external MOSFETs or Schottky diodes.