UCC3626PWG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
UCC3626PWG4 is a single-phase brushless DC motor controller IC from Texas Instruments with a maximum output current of 200 mA, designed for sensorless or Hall-effect commutation control in a 28-pin TSSOP package. It integrates commutation logic, PWM speed control, and protection features for compact BLDC motor drive designs in consumer and industrial equipment.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- OBSOLETE
- Datasheet
- UCC3626PWG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of UCC3626PWG4?
- Single-phase brushless DC motor controller
- Maximum output current of 200 mA for small BLDC motors
- Integrated PWM speed control and commutation logic
- Supports sensorless and Hall-effect based commutation
- 28-pin TSSOP package for compact PCB integration
- Protection features including overcurrent and thermal shutdown
- RoHS/Pb-free compliant (JESD-609 e4)
What is UCC3626PWG4 used for?
The UCC3626PWG4 drives single-phase brushless DC motors in applications such as small cooling fans, hard disk drive spindle motors, and optical disc drive motors found in consumer electronics and office automation equipment. Its integrated commutation logic and PWM control make it suited for compact, cost-sensitive designs where a discrete drive solution would require excessive PCB area, including printer carriage motors, HVAC blowers, and embedded industrial pump controllers.
What are the specifications of UCC3626PWG4?
| YTEOL | 0 |
| Analog IC - Other Type | 1-PHASE BRUSHLESS DC MOTOR CONTROLLER |
| JESD-30 Code | R-PDSO-G28 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Current-Max | 0.2A |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP28,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 10mA |
| Supply Voltage-Max (Vsup) | 14.5V |
| Supply Voltage-Min (Vsup) | 11V |
| Supply Voltage-Nom (Vsup) | 12V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| 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 UCC3626PWG4 datasheet?
UCC3626PWG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for UCC3626PWG4?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the UCC3626PWG4 control motor speed in a single-phase BLDC fan application?
The UCC3626PWG4 uses an internal PWM generator to modulate the motor winding current, allowing speed control by adjusting the duty cycle of the drive signal. At a 200 mA maximum output current, it directly drives small single-phase BLDC fans without external power transistors for motors in the 5 V to 12 V range. The integrated commutation logic sequences the winding drive based on rotor position feedback, maintaining stable rotation.
What protections does the UCC3626PWG4 provide to prevent motor driver failure in unattended equipment?
The UCC3626PWG4 includes overcurrent protection that limits output current to 200 mA maximum and thermal shutdown that disables the output stage when junction temperature exceeds the safe limit, typically around 150°C. These protections prevent damage from stalled rotors, winding short circuits, or inadequate cooling in embedded equipment like fanless servers or printers that must operate unattended for extended periods.
For a 12 V cooling fan in a compact HVAC module, why is the 28-pin TSSOP package of the UCC3626PWG4 advantageous?
The 28-pin TSSOP (PDSO-G28) package uses a 0.65 mm lead pitch and measures approximately 9.7 mm × 4.4 mm, occupying roughly 4× less PCB area than an equivalent 28-pin DIP. In a compact HVAC controller board with limited space, this footprint allows integrating the motor controller close to the driver output filter components, reducing EMI from long PCB traces and simplifying 4-layer PCB routing around the motor drive section.
How does the UCC3626PWG4 compare to a discrete gate driver plus external FET approach for small BLDC motors?
The UCC3626PWG4 integrates commutation sequencing, PWM modulation, and 200 mA output drive in a single 28-pin IC, eliminating the need for separate gate drivers, logic sequencers, and external FETs for motors drawing under 200 mA. This reduces BOM component count by 5 to 10 parts, lowers assembly cost, and shrinks PCB area by roughly 50% compared to a discrete solution, making it the preferred choice for high-volume consumer products where cost and density are primary constraints.
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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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