BQ2000PW

Overview

The BQ2000PW is a programmable multi-chemistry fast-charge management integrated circuit manufactured by Texas Instruments. Designed for single-cell battery applications, it supports multiple chemistries including Lithium-ion, Nickel-Cadmium, and Nickel-Metal Hydride. The device operates within a supply voltage range of up to 6V and functions reliably across an extended temperature range from -40°C to +85°C. It utilizes an 8-SOIC surface-mount package to facilitate compact board layouts. Key electrical parameters include programmable charge current and timer settings, allowing customization for specific battery requirements without external components.

Feature Summary

• Supports programmable charging profiles for various battery chemistries
• Integrates charge termination logic with automatic cycle restart
• Provides thermal regulation during the charging process

Applications

• Portable electronic devices requiring Li-ion battery charging
• Power tools utilizing NiCd or NiMH battery packs
• Medical equipment with rechargeable power sources

Procurement Notes

Verify component authenticity through authorized distributors. Confirm RoHS compliance status as specified in official documentation. Ensure ordering suffixes match required packaging formats. Validate that the part number corresponds to the exact functional revision needed for your design specifications.

Selection Notes

Select this component when designing systems requiring flexible multi-chemistry support. Consider the 8-SOIC package constraints for PCB layout. Evaluate thermal performance requirements against the specified operating temperature range. Ensure input voltage capabilities align with system power rails.

Part Context

This device belongs to the BQ2000 family of battery chargers. It serves as a foundational solution for basic fast-charge management tasks. The family includes variants with different packaging options and slight functional variations. It represents an established technology tier within Texas Instruments' power management portfolio.

Replacement Considerations

BQ2000TPN is a documented pin-compatible alternative within the same product family.