LP3945LD

Battery Chargers Overview

The LP3945LD is a multi-chemistry battery charger IC from Texas Instruments designed for single-cell applications. It supports various battery chemistries including lithium-ion, lithium-polymer, nickel-cadmium, and nickel-metal hydride. The device integrates a power path manager to balance system power and battery charging. It features an I2C-compatible interface for configuration and status monitoring. The component operates within a specified temperature range and utilizes a compact package suitable for portable electronics.

Battery Chargers Feature Summary

• Supports multiple battery chemistries including Li-ion, Li-Po, NiCd, and NiMH
• Integrates a power path manager for system power distribution
• Features I2C-compatible digital interface for control and monitoring

Battery Chargers Applications

• Portable consumer electronics
• Mobile communication devices
• Personal digital assistants

Battery Chargers Procurement Notes

Verify the specific suffix and tape/reel specifications against the official datasheet before ordering. Confirm environmental compliance status such as RoHS and REACH directives directly with the manufacturer or authorized distributors. Ensure the part number matches the exact package type required for your design.

Battery Chargers Selection Notes

Select this component when a single-chip solution for multiple battery types is required. Consider the integrated power path management if system power sharing is necessary. Verify that the I2C interface compatibility aligns with the host controller. Check thermal requirements and package constraints for the target application.

Battery Chargers Part Context

This part belongs to the LP3945 family of battery chargers. It is distinct from linear regulators like the LM3940 or audio amplifiers like the LM49450 found in general searches. It is specifically engineered for battery management rather than voltage regulation or signal amplification.

Battery Chargers Replacement Considerations

Consult the official TI replacement matrix for verified substitutes. Generic equivalents may lack specific multi-chemistry support or power path integration. Verify pin-to-pin compatibility and electrical parameter alignment before substitution.