UC2909MDWREP Texas Instruments Integrated Circuit (Small Outline Packages) In Stock

Name: UC2909MDWREP
Brand: Texas Instruments
SKU: UC2909MDWREP
Availability: InStock

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.

ACTIVEIntegrated CircuitVerified Apr 2026

Package / Visual Reference

UC2909MDWREPSmall Outline Packages

Quick Facts

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

What are the key features of UC2909MDWREP?

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

What is UC2909MDWREP used for?

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.

What are the specifications of UC2909MDWREP?

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

Where can I find the UC2909MDWREP datasheet?

UC2909MDWREP Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for UC2909MDWREP?

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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AvailabilityIn Stock

Reference Price (USD)

From $10.5900

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
16+	$12.7892	$204.63
21+	$12.3629	$259.62
28+	$11.0840	$310.35
250+	$11.0563	$2764.08
500+	$10.7829	$5391.47
1000+	$10.5900	$10590.00

pcs

Unit price: $12.7892 · Total: $204.63

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Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

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UC2909MDWREP Texas Instruments Integrated Circuit (Small Outline Packages) In Stock

What are the key features of UC2909MDWREP?

What is UC2909MDWREP used for?

What are the specifications of UC2909MDWREP?

Compliance & Regulatory

Where can I find the UC2909MDWREP datasheet?

What are equivalent replacements for UC2909MDWREP?

Frequently Asked Questions

What is the input voltage range of the UC2909MDWREP?

What control method does the UC2909MDWREP use for battery charging?

What package type is the UC2909MDWREP available in?

What are typical applications for the UC2909MDWREP?

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About Texas Instruments

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