UCC29421PWG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock

Name: UCC29421PWG4
Brand: Texas Instruments
SKU: UCC29421PWG4
Availability: InStock

The UCC29421PWG4 is a DC-DC switching controller IC from Texas Instruments featuring configurable peak current mode and programmable PFM technique. It supports input voltages from 1.8V to 8V and is housed in a 16-pin TSSOP package, making it suitable for low-power portable and embedded applications.

OBSOLETEIntegrated CircuitVerified May 2026

Package / Visual Reference

UCC29421PWG4Small Outline Packages

Quick Facts

Manufacturer: Texas Instruments
Package: Small Outline Packages
Pin Count: 16
Lifecycle: OBSOLETE
Datasheet: UCC29421PWG4 Datasheet PDF
Category: Integrated Circuit
Temp Range: -40.0°C to 85.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of UCC29421PWG4?

Configurable peak current mode and programmable PFM technique for optimized efficiency across load ranges
Ultra-low input voltage support from 1.8V to 8V enabling use in battery-powered and low-voltage systems
16-pin TSSOP package (JEDEC R-PDSO-G16) for compact, high-density surface-mount designs
Voltage-mode PWM control with advanced features for flexible DC-DC converter topologies

What is UCC29421PWG4 used for?

The UCC29421PWG4 is designed for portable electronics, IoT devices, and embedded systems where low-voltage DC-DC conversion with high efficiency is critical. It is well-suited for battery-powered applications such as handheld instruments, wearables, and wireless sensors. Its programmable PFM technique allows power saving in light-load conditions, extending battery life significantly.

What are the specifications of UCC29421PWG4?

Pbfree Code	Yes
YTEOL	0
Additional Feature	CONFIGURABLE PEAK CURRENT MODE; PROGRAMMABLE PFM TECHNIQUE
Analog IC - Other Type	SWITCHING CONTROLLER
Control Mode	VOLTAGE-MODE
Control Technique	PULSE WIDTH MODULATION
Input Voltage-Max	8V
Input Voltage-Min	1.8V
Input Voltage-Nom	3V
JESD-30 Code	R-PDSO-G16
JESD-609 Code	e4
Number of Functions	1
Output Current-Max	0.00065A
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	TSSOP16,.25
Package Shape	RECTANGULAR
Package Style	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel)	260
Qualification Status	Not Qualified
Surface Mount	YES
Switcher Configuration	SINGLE
Switching Frequency-Max	2000kHz
Technology	BICMOS
Temperature Grade	INDUSTRIAL
Terminal Finish	NICKEL PALLADIUM GOLD
Terminal Form	GULL WING
Terminal Pitch	0.65mm
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	8542.39.00.60

Where can I find the UCC29421PWG4 datasheet?

UCC29421PWG4 Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for UCC29421PWG4?

Compatible alternatives and drop-in replacements for UCC29421PWG4:

UCC39421PW

Rochester Electronics LLC SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO16, TSSOP-16

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

What is the input voltage range of the UCC29421PWG4?

The UCC29421PWG4 supports an input voltage range from 1.8V minimum to 8V maximum with a nominal of 3V, making it an excellent choice for low-voltage battery-powered applications and systems running from 3.3V or 5V rails.

What control technique does the UCC29421PWG4 use?

The UCC29421PWG4 employs voltage-mode pulse width modulation (PWM) with additional configurable peak current mode and programmable PFM (pulse frequency modulation) technique to optimize efficiency at both heavy and light loads.

What package does the UCC29421PWG4 come in?

The UCC29421PWG4 is available in a 16-pin TSSOP (Thin Shrink Small Outline Package) with JEDEC code R-PDSO-G16, providing a compact, low-profile SMD footprint ideal for space-constrained circuit boards.

What are the typical applications for the UCC29421PWG4?

Typical applications include portable consumer electronics, wearable devices, wireless sensor nodes, IoT modules, and any battery-powered equipment requiring efficient DC-DC voltage conversion with input voltages as low as 1.8V.

Is the UCC29421PWG4 RoHS compliant?

Yes, the UCC29421PWG4 carries a Pb-free code of 'Yes', indicating that it is manufactured without lead and complies with RoHS environmental directives for hazardous substance restrictions.

Related Guides

STM32H725IGT3 Selection Guide: Memory, Package, Temperature, and Supply

Choose the right STM32H725 variant by comparing Flash, package, pin count, temperature grade, connectivity, and production requirements.

Aug 1, 2026

STM32H725IGT3 High-Performance MCU Design Guide

Design STM32H725IGT3 systems for reliable 550 MHz operation with practical power, clock, cache, DMA, PCB, ADC, and recovery guidance.

Jul 31, 2026

150141VS73100 Violet SMD LED Selection Guide: Color, Drive, and Sourcing

Select the 150141VS73100 by wavelength, brightness, drive current, 3528 fit, reliability, and traceable sourcing requirements.

Jul 31, 2026

STEF05SGR 5 V eFuse Protection Design Guide

Design a reliable 5 V STEF05SGR eFuse stage with current-limit math, capacitor sizing, thermal analysis, fault recovery, and PCB layout guidance.

Jul 30, 2026

Why Buy from FindMyChip

Authorized Source

Verified supply chain with full traceability & inspection

Competitive Pricing

Factory-direct from China distributors, low MOQ

Fast Shipping

DHL Express 3–5 days · FedEx/UPS 5–7 days worldwide

Quality Guaranteed

30-day replacement for defective parts, no questions asked

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.

View all Texas Instruments parts →

More from Texas Instruments

SN74HC138PWT

Small Outline Packages

Integrated Circuit

MCP6292IDGKT

Small Outline Packages

Integrated Circuit

CD4511BMN

Dual-In-Line Packages

Integrated Circuit

UCC2803DG4

Small Outline Packages

Integrated Circuit

MC33078DRE4

Small Outline Packages

Integrated Circuit

TLV6710DDCT

SOT23 (6-Pin)

Integrated Circuit

AvailabilityIn Stock

Reference Price (USD)

Contact for Price

Buy from 1pc · Factory-direct pricing

pcs

In Stock · 24h Response · Worldwide Shipping

Direct Contact

WhatsApp Inquiry Email RFQ

Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”

Thomas Mueller

Hardware Lead, SensorTech GmbH, Germany

UCC29421PWG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock

What are the key features of UCC29421PWG4?

What is UCC29421PWG4 used for?

What are the specifications of UCC29421PWG4?

Compliance & Regulatory

Where can I find the UCC29421PWG4 datasheet?

What are equivalent replacements for UCC29421PWG4?

Frequently Asked Questions

What is the input voltage range of the UCC29421PWG4?

What control technique does the UCC29421PWG4 use?

What package does the UCC29421PWG4 come in?

What are the typical applications for the UCC29421PWG4?

Is the UCC29421PWG4 RoHS compliant?

Related Guides

STM32H725IGT3 Selection Guide: Memory, Package, Temperature, and Supply

STM32H725IGT3 High-Performance MCU Design Guide

150141VS73100 Violet SMD LED Selection Guide: Color, Drive, and Sourcing

STEF05SGR 5 V eFuse Protection Design Guide

Why Buy from FindMyChip

About Texas Instruments

More from Texas Instruments

You May Also Like