UC3914DWG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments UC3914DWG4 is a 1-channel hot swap controller in an 18-pin SOIC package. It features adjustable threshold voltage and supports board insertion control with overcurrent protection. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 18
- Lifecycle
- OBSOLETE
- Datasheet
- UC3914DWG4 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 UC3914DWG4?
- 1-channel hot swap controller with adjustable threshold voltage for precise overcurrent protection
- 18-pin SOIC (SOIC-18) package enabling compact PCB layout in hot-plug board applications
- Supports single-supply operation with JESD-609 e4 lead-free compliance for RoHS-compliant designs
What is UC3914DWG4 used for?
The UC3914DWG4 is used in hot-plug and live-insertion applications where circuit boards must be safely inserted into powered backplanes. It protects systems from inrush current surges and overvoltage events in telecom, industrial, and server infrastructure equipment. Its adjustable threshold makes it suitable for both 5 V and 12 V supply rail management.
What are the specifications of UC3914DWG4?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Adjustable Threshold | YES |
| Analog IC - Other Type | HOT SWAP CONTROLLER |
| JESD-30 Code | R-PDSO-G18 |
| JESD-609 Code | e4 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP18,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 20mA |
| Supply Voltage-Max (Vsup) | 35V |
| Supply Voltage-Min (Vsup) | 5V |
| Supply Voltage-Nom (Vsup) | 12V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | COMMERCIAL |
| 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 | 8542.39.00.60 |
Where can I find the UC3914DWG4 datasheet?
UC3914DWG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for UC3914DWG4?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the adjustable threshold range supported by the UC3914DWG4 hot swap controller?
The UC3914DWG4 features an adjustable overcurrent threshold, allowing designers to set the trip point for the external pass MOSFET gate drive. It operates from supply voltages in the 5 V to 18 V range and supports 1-channel control, making it flexible for various hot-swap rail configurations.
Which applications benefit most from using the UC3914DWG4 in a 18-pin SOIC package?
The 18-pin SOIC package of the UC3914DWG4 suits backplane hot-swap management in telecom line cards, server blade modules, and industrial plug-in boards where PCB real estate is limited. The package supports up to 1 channel of control, integrating gate drive and fault detection within a compact SOIC-18 footprint.
When is UC3914DWG4 a suitable alternative to discrete hot-swap protection circuits?
UC3914DWG4 integrates 1-channel hot swap control, adjustable threshold, and MOSFET gate management in a single 18-pin SOIC device, replacing multiple discrete components. This reduces BOM count and board area compared to discrete solutions, making it cost-effective for designs requiring board-level inrush limiting at 5 V or higher supply rails.
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Why Buy from FindMyChip
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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