MAX20095ATIA/VY+

Overview

The MAX20095ATIA/VY+ is an automotive intelligent backup battery charger and boost controller designed for single-cell lithium-ion or nickel-metal hydride batteries. It integrates a configurable constant-current/constant-voltage charger with diagnostic features for state-of-health monitoring. The device operates within a supply voltage range of 4.5 V to 36 V, supporting input voltages up to 36 V. It delivers a charge current of 1 A and provides an output voltage of 5.5 V in boost mode. Operating temperatures span from -40°C to 125°C, housed in a 28-pin SWTQFN-EP package.

Feature Summary

• Integrates configurable constant-current/constant-voltage charging with state-of-health diagnostics
• Combines backup battery management with high-efficiency boost control capabilities
• Supports automotive-grade operation across extended temperature ranges

Applications

• Automotive intelligent backup battery systems
• Li-Ion and NiMH battery charging applications
• Boost controller circuits for power backup

Procurement Notes

Verify the specific suffix 'VY+' against official Analog Devices documentation to confirm package type and tape-and-reel specifications. Confirm automotive qualification status and RoHS compliance directly with the manufacturer or authorized distributors before procurement. Ensure the ordering part number matches the exact thermal pad and pin configuration required by your design.

Selection Notes

Select this component for designs requiring integrated battery charging and boost regulation in a compact footprint. It is suitable for applications needing state-of-health monitoring alongside standard charging functions. Consider the 28-pin SWTQFN-EP package constraints and thermal requirements when evaluating PCB layout options for optimal heat dissipation.

Part Context

This part belongs to the Maxim Integrated automotive battery management portfolio, specifically targeting intelligent backup solutions. It combines charging and boosting functionalities into a single IC, reducing component count compared to discrete solutions. The device supports both Li-Ion and NiMH chemistries, offering versatility for various automotive backup power architectures.

Replacement Considerations

Consult official Analog Devices substitution guides for verified alternatives. Cross-reference pinouts and electrical characteristics carefully when considering generic replacements.