UCC29421PWG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
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.
- 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
Key Features
- 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
Applications
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.
Specifications
| 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 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for UCC29421PWG4:
Rochester Electronics LLC SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO16, TSSOP-16
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.
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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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