AOZ1401DI

Overview

The AOZ1401DI is a battery protection integrated circuit designed for single-cell lithium-ion batteries. It provides comprehensive fault protection including over-current, over-temperature, and over/under voltage detection. The device operates within a specified input voltage range suitable for standard Li-ion applications. It is housed in an 8-DFN (2x2) surface-mount package with exposed pad for thermal dissipation. The component integrates precise monitoring circuits to ensure safe battery operation under various load and environmental conditions.

Feature Summary

• Integrated over-current protection with adjustable threshold settings
• Built-in over-temperature sensing for thermal safety management
• Continuous monitoring of battery voltage for over-voltage and under-voltage cutoffs

Applications

• Single-cell lithium-ion battery protection modules
• Portable electronic devices requiring battery safety circuits
• Power tool battery packs

Procurement Notes

Verify current availability status as the AOZ1401DI is classified as obsolete by Alpha & Omega Semiconductor Inc. Confirm that any sourced units are genuine components from authorized channels. Check datasheet revisions to ensure compatibility with existing design requirements before procurement. Evaluate alternative components if long-term supply stability is required for new production runs.

Selection Notes

Select this component for designs requiring integrated single-cell Li-ion protection without external discrete sensors. Ensure the operating temperature range meets system specifications. Verify that the package dimensions fit the PCB layout constraints. Consider the obsolete status when planning for future manufacturing scalability or lifecycle management.

Part Context

This part belongs to Alpha & Omega Semiconductor's PMIC portfolio focused on battery management. It complements other power management solutions by providing essential safety features for energy storage systems. The manufacturer specializes in power semiconductors for consumer electronics and industrial applications.

Replacement Considerations

Public confirmed substitute: BQ24314DSGR (Texas Instruments). Verify pinout compatibility and electrical parameter alignment before substitution.