UC2909MDWREP Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
UC2909MDWREP is an enhanced product switch-mode lead-acid battery charger IC with differential current sensing. Features current-mode PWM control, 7.5V–40V input range, and precision charge regulation. From $10.59, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- UC2909MDWREP Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $10.5900(MOQ 16)
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Current-mode PWM control for precise charge regulation
- Wide input voltage range: 7.5V to 40V
- Differential current sense for accurate battery monitoring
- Enhanced product rated for extended 15-year end-of-life support
- Compact 20-pin SOIC package for space-efficient designs
Applications
The UC2909MDWREP is widely used in industrial and automotive battery management systems requiring reliable lead-acid battery charging. Its switch-mode PWM architecture makes it ideal for solar charge controllers, UPS backup systems, and off-grid energy storage applications. The differential current sense input supports high-side current monitoring in float and bulk charging stages.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | BATTERY CHARGE CONTROLLER |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 40V |
| Input Voltage-Min | 7.5V |
| Input Voltage-Nom | 15V |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Voltage-Nom | 5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP20,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 19mA |
| Supply Voltage-Max (Vsup) | 40V |
| Supply Voltage-Min (Vsup) | 7.5V |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 185.35kHz |
| Technology | BICMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the input voltage range of the UC2909MDWREP?
The UC2909MDWREP operates with an input voltage range of 7.5V to 40V, with a nominal operating voltage of 15V, making it suitable for a wide variety of lead-acid battery charging applications.
What control method does the UC2909MDWREP use for battery charging?
The UC2909MDWREP uses current-mode pulse width modulation (PWM) control, which provides fast transient response and inherent cycle-by-cycle current limiting for safe and efficient lead-acid battery charging.
What package type is the UC2909MDWREP available in?
The UC2909MDWREP comes in a 20-pin Small Outline IC (SOIC) package, identified by JESD-30 code R-PDSO-G20, suitable for surface-mount assembly in compact power management designs.
What are typical applications for the UC2909MDWREP?
Typical applications include lead-acid battery chargers for UPS systems, solar charge controllers, automotive battery maintainers, and industrial backup power supplies where precise charge regulation and differential current sensing are required.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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