DA9073-61V32

Power Management - Specialized Overview

The DA9073-61V32 is a highly integrated, configurable power management IC (PMIC) designed for wearable and low-power battery applications. It features a linear charger with Power Path management, an ultra-low quiescent current buck regulator, LDOs, load switches, and a wide output voltage boost regulator. The device operates within an input voltage range of 2.5 V to 5.5 V and supports a maximum bus voltage of 22 V. Key electrical parameters include a 300 mA step-down DC/DC converter, up to 500 mA charging current, and a 150 mA LDO output. It utilizes an I2C interface for configuration and is housed in a compact WLCSP-42 package.

Power Management - Specialized Feature Summary

• Integrates a linear charger with dynamic Power Path management to balance system and battery currents.
• Includes an ultra-low quiescent current buck regulator and LDOs to extend battery life in standby and active modes.
• Features a wide-output-range boost regulator suitable for powering sensors and displays.
• Offers configurable protection features and dedicated watchdog inputs via I2C interface.

Power Management - Specialized Applications

• Health wearables
• Smartwatches
• Wireless earbuds
• Portable medical devices
• Home automation

Power Management - Specialized Procurement Notes

Verify the specific suffix '61V32' against the manufacturer's official documentation to confirm pinout compatibility and software configuration requirements. Ensure that the WLCSP-42 packaging specifications align with your assembly capabilities. Cross-reference the latest datasheet for any updates on thermal performance or recommended external component values to guarantee reliable operation in your target application environment.

Power Management - Specialized Selection Notes

Select this PMIC for applications requiring high integration in a minimal footprint. It is suitable when low quiescent current is critical for extending battery life in portable devices. Consider the 22 V bus voltage tolerance if interfacing with higher voltage sources. Verify that the I2C configurability meets your system's control architecture needs and that the available output channels satisfy the power distribution requirements of the target design.

Power Management - Specialized Part Context

The DA9073 belongs to Renesas Electronics' specialized PMIC family targeting wearable and IoT markets. This series emphasizes miniaturization and energy efficiency through advanced power management techniques. The DA9073 variant specifically addresses the need for combined charging, regulation, and boost functions in a single small form factor, distinguishing it from general-purpose regulators by its focus on battery-powered consumer electronics.

Power Management - Specialized Replacement Considerations

Consult the official Renesas product selection guide for direct cross-references within the DA907x series. Verify functional equivalence regarding pinout, electrical ratings, and thermal characteristics before substitution. Generic PMIC replacements may not offer the same level of integration or I2C configurability.

Power Management - Specialized FAQ

What is the maximum bus voltage supported by the DA9073?

The DA9073 supports a maximum bus voltage of 22 V.

How is the DA9073 configured?

The device is configured via an I2C interface.

What type of package does the DA9073-61V32 use?

It uses a WLCSP-42 package.