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Product Detailed Parameters
- Description：IC BAT CHG MULTCHEM 1-4CL 8TSSOP
- Series：-
- Mfr：Texas Instruments
- Package：Tube
- Battery Chemistry：Multi-Chemistry
- Voltage - Supply (Max)：6V
- Operating Temperature：-20°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：8-TSSOP
- Number of Cells：1 ~ 4
- Current - Charging：Constant - Programmable
- Programmable Features：Current, Timer, Voltage
- Fault Protection：-
- Charge Current - Max：-
- Battery Pack Voltage：-
- Interface：-
- Grade：-
- Qualification：-
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Overview
The BQ2000PWG4 is a programmable, monolithic integrated circuit designed for the safe management of fast charging in NiCd, NiMH, and Li-Ion battery packs. It functions as a multi-chemistry charge control device utilizing switch-mode architecture with peak voltage detection termination. The component supports programmable features including current, timer, and voltage settings. It operates within a supply voltage range up to 6V and an ambient temperature range of -20°C to 70°C. The device is housed in an 8-TSSOP surface-mount package.
Feature Summary
- Programmable multi-chemistry charge control for NiCd, NiMH, and Li-Ion batteries
- Switch-mode architecture with peak voltage detection termination
- Adjustable current, timer, and voltage parameters
Applications
- Fast charge management for NiCd battery packs
- Charge control for NiMH battery systems
- Li-Ion battery pack protection and management
Procurement Notes
Verify component status carefully as this part may be obsolete or discontinued by Texas Instruments. Confirm availability through authorized distributors only. Ensure the ordering suffix matches the required package type. Check RoHS compliance documentation for environmental regulations. Validate that the specific revision aligns with design requirements before procurement.
Selection Notes
Select this IC when designing systems requiring programmable charge profiles for multiple battery chemistries. Consider the 8-TSSOP package for surface-mount assembly constraints. Evaluate the 6V maximum supply voltage against system power rails. Assess thermal performance within the specified -20°C to 70°C operating range. Verify compatibility with external switching components for the switch-mode topology.
Part Context
This component belongs to the BQ2000 series of battery management ICs from Texas Instruments. It is specifically engineered for versatile multi-chemistry applications. The PWG4 suffix indicates the TSSOP package variant with Green (RoHS compliant) attributes. It serves as a core controller for intelligent battery chargers requiring precise termination logic.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. As the component is noted as obsolete, direct replacements may require redesigning the charge control circuitry. Consult Texas Instruments for current generation alternatives if available.
