DA9313-04VK2

Battery Management Overview

The DA9313-04VK2 is a high-efficiency dual-cell switched capacitor divider manufactured by Renesas Electronics. It operates as a master-slave topology with two outputs, supporting an input voltage range of 5 V to 10.5 V and delivering up to 10 A output current per channel. The device features a 6 MHz switching frequency and low quiescent current of 55 uA or 70 uA. It is housed in a 43-waffle WLCSP package measuring 3.55x2.82 mm and functions within an operating temperature range of -40°C to +85°C.

Battery Management Feature Summary

• Master-slave architecture for synchronized dual-channel power delivery
• High efficiency switched capacitor divider design
• Integrated fault protection mechanisms

Battery Management Applications

• Dual-cell lithium-ion or polymer battery powered systems
• High-current rail generation for mobile processors
• Efficient voltage step-down in space-constrained portable electronics

Battery Management Procurement Notes

Verify the specific suffix VK2 against official Renesas documentation to confirm pinout and electrical characteristics. Ensure compatibility with the intended PCB layout for the 43-WLCSP package. Confirm availability status as supply conditions may vary. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and revision level before procurement.

Battery Management Selection Notes

Select this component when a compact solution is required for dual-cell battery applications needing high current density. The master-slave configuration allows for precise synchronization between channels. Consider the thermal performance implications of the 10 A rating within the small WLCSP footprint. Verify that the 5 V to 10.5 V input range aligns with the system's battery profile.

Battery Management Part Context

This device belongs to the DA9313 series of power management integrated circuits designed for mobile applications. It complements other Renesas PMICs by providing efficient voltage conversion from dual-cell batteries. The series supports various packaging options to meet different size constraints while maintaining high efficiency standards for modern portable devices.

Battery Management Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.