UC3909DWG4

Description：IC BATT CHG LEAD ACID 20SOIC
Series：-
Mfr：Texas Instruments
Package：Tube

SKU:ec33e9198a08 Category: Battery Chargers Brand: Texas Instruments

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Product introduction

UC3909DWG4 is listed in the Battery Chargers range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC BATT CHG LEAD ACID 20SOIC. Review the specifications below when checking this part for your BOM.

Battery Chargers specifications for UC3909DWG4

Description：IC BATT CHG LEAD ACID 20SOIC
Series：-
Mfr：Texas Instruments
Package：Tube
Battery Chemistry：Lead Acid
Voltage - Supply (Max)：40V
Operating Temperature：0°C ~ 70°C (TA)
Mounting Type：Surface Mount
Package / Case：20-SOIC (0.295", 7.50mm Width)
Supplier Device Package：20-SOIC
Number of Cells：-
Current - Charging：Constant - Programmable
Programmable Features：-
Fault Protection：-
Charge Current - Max：-
Battery Pack Voltage：-
Interface：-
Grade：-
Qualification：-

Battery Chargers datasheet and documents for UC3909DWG4

UC3909DWG4

Battery Chargers Overview

The UC3909DWG4 is a lead-acid battery charge management integrated circuit manufactured by Texas Instruments. It operates within a supply voltage range of 7.5 V to 40 V and delivers a maximum output current of 4.5 mA. The device is housed in a 20-pin SOIC package, suitable for surface mount installation. It functions across an extended temperature range from -20 °C to +70 °C. This component is designed for precise linear charging control in lead-acid battery applications.

Battery Chargers Feature Summary

Linear charge management controller optimized for lead-acid battery chemistries
Integrated regulation for stable charging within specified voltage limits
Surface-mount packaging for automated assembly integration

Battery Chargers Applications

Lead-acid battery charging systems
Uninterruptible power supply (UPS) battery maintenance
Solar energy storage battery management

Battery Chargers Procurement Notes

Verify the specific suffix against official manufacturer documentation to confirm pinout and functional compatibility. Ensure the operating environment remains within the specified thermal limits. Confirm RoHS compliance status through the latest datasheet revision. Validate that the input voltage does not exceed the absolute maximum ratings defined in the electrical characteristics table.

Battery Chargers Selection Notes

Select this component when designing for lead-acid batteries requiring low-current linear regulation. Compare the 4.5 mA output capability against system requirements to ensure adequate charging rates. Evaluate the 20-pin SOIC footprint against available board space. Consider the 40 V maximum input rating for high-voltage bus applications.

Battery Chargers Part Context

This part belongs to the UC39xx series of battery management ICs from Texas Instruments. The series includes variants like UC3906 and UC3907 with different pin counts and current capabilities. The DWG4 suffix indicates a lead-free, halogen-free SOIC-20 package compliant with environmental standards.