Texas Instruments UC3909NG4 Battery Chargers
IC BATT CHG LEAD ACID 20DIP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UC3909NG4
Detailed Description
IC BATT CHG LEAD ACID 20DIP
Package
20-DIP (0.300", 7.62mm)
Key Features
Package / Case: 20-DIP (0.300", 7.62mm); Mounting Type: Through Hole
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
UC3909NG4 Datasheet
Quick Jump:
Technical Specifications
Texas Instruments UC3909NG4 Battery Chargers technical specifications.
General
Package / Case
20-DIP
Mounting Type
Through Hole
Operating Temperature
0°C ~ 70°C (TA)
Battery Chemistry
Lead Acid
Current Charging
Constant - Programmable
Voltage Supply Max
40V
Alternate Parts Comparison (UC3909NG4 vs BQ25101YFPT vs BQ25101YFPR vs LP3918TLX/NOPB)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 20-DIP | 6-XFBGA, DSBGA | 6-XFBGA, DSBGA | 25-WFBGA |
| Mounting Type | Through Hole | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 125°C (TJ) | 0°C ~ 125°C (TJ) | -40°C ~ 85°C (TA) |
| Battery Chemistry | Lead Acid | Lithium Ion/Polymer | Lithium Ion/Polymer | Lithium Ion |
| Current Charging | Constant - Programmable | Constant - Programmable | Constant - Programmable | Constant - Programmable |
| Voltage Supply Max | 40V | 6.45V | 6.45V | 6V |
| Battery Pack Voltage | -- | 4.2V | 4.2V | 4.2V |
| Charge Current Max | -- | 250mA | 250mA | 950mA |
| Fault Protection | -- | Over Temperature, Over Voltage, Short Circuit | Over Temperature, Over Voltage, Short Circuit | Reverse Current |
| Action |
More Parts in Battery Chargers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.