BQ2023PW

Battery Management Overview

The BQ2023PW is a single-wire advanced battery monitor IC designed for cellular and PDA applications. It accurately measures charge and discharge currents in rechargeable battery packs, providing precise state-of-charge data. The device integrates a high-resolution analog-to-digital converter and digital signal processing to deliver reliable battery monitoring without requiring complex external circuitry.

Battery Management Feature Summary

• Single-wire interface simplifies connection to host systems
• Accurate measurement of charge and discharge currents
• Advanced digital signal processing for state-of-charge calculation

Battery Management Applications

• Cellular phone battery packs
• Personal Digital Assistant (PDA) power management
• Rechargeable battery pack monitoring

Battery Management Procurement Notes

Verify the specific suffix (e.g., PW vs. PW-B) against the official Texas Instruments datasheet to ensure correct marking and package details. Confirm RoHS compliance status directly from the manufacturer's documentation prior to procurement. Ensure the source channel provides traceability for this specific component variant.

Battery Management Selection Notes

Select this component when a compact, single-wire solution is required for lithium-ion or polymer battery monitoring in portable devices. Consider the TSSOP package constraints and verify that the single-wire communication protocol aligns with the host microcontroller capabilities. Evaluate current measurement accuracy requirements against the device specifications.

Battery Management Part Context

This part belongs to Texas Instruments' battery management portfolio, specifically targeting mobile consumer electronics. It serves as a dedicated monitor for single-cell rechargeable batteries, offering an alternative to more complex multi-wire monitoring solutions in space-constrained designs like PDAs and early smartphones.

Battery Management Replacement Considerations

Consult the TI datasheet for direct pin-compatible alternatives within the BQ27xxx series. Verify functional equivalence regarding the single-wire interface and current measurement range before substituting.