UC3909DWTR
- Mfr.Part #
- UC3909DWTR
- Manufacturer
- Texas Instruments
- Package / Case
- 20-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC BATT CHG LEAD ACID 20SOIC
- Stock
- 30
- In Stock :
- 30
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Texas Instruments
- Product Category :
- Battery Chargers
- Weight :
- 569.003279mg
- Number of Pins :
- 20
- Current - Charging :
- Constant - Programmable
- Mounting Type :
- Surface Mount
- Power Supplies :
- 15V
- Pbfree Code :
- yes
- Lead Free :
- Contains Lead
- Length :
- 12.8mm
- RoHS Status :
- ROHS3 Compliant
- Max Supply Voltage :
- 40V
- HTS Code :
- 8542.39.00.01
- Analog IC - Other Type :
- BATTERY CHARGE CONTROLLER
- Number of Functions :
- 1
- Radiation Hardening :
- No
- Terminal Form :
- Gull wing
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Packaging :
- Tape and Reel (TR)
- Switching Frequency :
- 242kHz
- Output Current :
- 100mA
- Control Technique :
- PULSE WIDTH MODULATION
- Surface Mount :
- yes
- Input Voltage-Nom :
- 15V
- Battery Chemistry :
- Lead Acid
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- Width :
- 7.5mm
- ECCN Code :
- EAR99
- Base Part Number :
- UC3909
- Nominal Input Voltage :
- 40V
- Pin Count :
- 20
- Terminal Position :
- Dual
- Peak Reflow Temperature (Cel) :
- 260
- Terminal Pitch :
- 1.27mm
- Min Supply Voltage :
- 7.5V
- JESD-609 Code :
- e4
- Supply Voltage :
- 15V
- Switcher Configuration :
- Single
- Supply Current-Max (Isup) :
- 19mA
- Package / Case :
- 20-SOIC (0.295, 7.50mm Width)
- Number of Terminations :
- 20
- Control Mode :
- CURRENT-MODE
- Height Seated (Max) :
- 2.65mm
- Operating Temperature :
- 0°C~70°C TA
- Datasheets
- UC3909DWTR

Battery Chargers Texas Instruments UC3909DWTR Overview
The UC3909DWTR, manufactured by Texas Instruments, is an advanced integrated circuit designed specifically for lead-acid battery charging applications. With its sophisticated design and high-performance capabilities, this IC offers efficient and reliable charging solutions for a wide range of industrial and commercial battery systems.
Featuring cutting-edge technology and robust construction, the UC3909DWTR ensures optimal charging performance while prioritizing safety and longevity of the battery cells. Its versatility and adaptability make it an ideal choice for various battery charging scenarios, from small-scale applications to large-scale industrial systems.
Whether you're designing battery chargers for automotive, telecommunications, renewable energy, or other applications, the UC3909DWTR provides the precision and efficiency required to meet the demands of modern power management systems.
UC3909DWTR Features
- Advanced integrated circuit for lead-acid battery charging
- Designed and manufactured by Texas Instruments
- Optimized for efficiency, reliability, and safety
- Flexible and adaptable to various charging scenarios
- High-performance capabilities for industrial and commercial applications
- Compact SOIC package for easy integration into circuit designs
- Wide operating temperature range for diverse environmental conditions
UC3909DWTR Applications
- Automotive Battery Chargers: The UC3909DWTR is utilized in automotive battery chargers to ensure efficient and reliable charging of lead-acid batteries in vehicles. Its advanced features and safety mechanisms make it an essential component for automotive power management systems.
- Telecommunications Power Systems: In telecommunications infrastructure, the UC3909DWTR plays a vital role in maintaining backup power supplies. By providing precise control over lead-acid battery charging, it helps ensure uninterrupted operation of critical communication equipment.
- Renewable Energy Storage: Renewable energy systems often rely on lead-acid batteries for energy storage. The UC3909DWTR facilitates efficient charging of these batteries, optimizing the performance and lifespan of renewable energy installations such as solar power plants and wind farms.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















