DA9132-XXRT1-A

Overview

The DA9132-XXRT1-A is a high-performance, dual-channel step-down DC/DC converter from the Renesas DA9132 series. It integrates two independent channels, each capable of delivering up to 3A of output current with integrated power FETs. The device operates within an input voltage range of 2.5V to 5.5V and supports programmable output voltages from 0.3V to 1.9V. It utilizes I2C communication for control and configuration. The component is housed in a 24-pin FCQFN package measuring 3.3mm by 4.8mm. It functions as a Sub-PMIC suitable for automotive and industrial applications requiring efficient power conversion.

Feature Summary

• Dual-channel architecture providing independent 3A outputs per channel with integrated switching FETs
• High efficiency exceeding 90% to reduce thermal design challenges in high-current systems
• Integrated dynamic voltage control and programmable GPIOs for flexible system management
• Compact 24-pin FCQFN package with wettable flanks for optimized board space

Applications

• Automotive infotainment and instrument cluster power distribution
• Industrial control systems requiring multiple low-voltage rails
• Sub-PMIC solutions for complex embedded processors
• High-performance consumer electronics with strict thermal constraints

Procurement Notes

Verify the specific suffix 'XXRT1-A' against official Renesas documentation to confirm exact packaging and tape-and-reel specifications. Confirm that the 'A' designation aligns with the intended automotive or qualified variant requirements. Check for any recent lifecycle notices regarding this specific marking code, as finalization may impact long-term availability. Ensure compatibility with existing BOM components before ordering.

Selection Notes

Select this component when dual isolated 3A rails are required from a single IC footprint. It is appropriate for designs needing input voltages between 2.5V and 5.5V. Consider the 24-pin FCQFN package if board real estate is limited. Verify that the I2C interface meets the system's control bus requirements. Evaluate thermal performance based on the expected load current and ambient conditions.

Part Context

The DA9132 belongs to Renesas' flexible and scalable Sub-PMIC family, designed for automotive and industrial systems. It complements microcontrollers by handling core voltage regulation. The series offers tailored power solutions with integrated features to minimize external component count. This specific model represents the standard commercial-grade version within the broader DA9132 portfolio.

FAQ

What is the maximum output voltage supported by the DA9132?

The device supports programmable output voltages ranging from 0.3V to 1.9V. Voltages above 1.9V require an external resistor divider.

Does the DA9132 include an integrated battery charger?

No, the DA9132 does not integrate a battery charger function; it is strictly a dual-channel DC/DC converter.