UC2637J Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
The UC2637J is a three-phase brushless DC motor controller from Texas Instruments in an 18-pin ceramic DIP package with maximum output current of 400mA. It requires an additional -2.5V to -20V negative supply and features glass-sealed ceramic construction for high reliability. Available from authorized distributors with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 18
- Lifecycle
- ACTIVE
- Datasheet
- UC2637J Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -25.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Three-phase brushless DC motor controller with up to 400mA maximum output current for direct-drive motor control applications
- 18-pin ceramic DIP (CDIP) package with glass-sealed ceramic body providing superior reliability in harsh and high-temperature environments
- Requires negative supply voltage from -2.5V to -20V enabling flexible power supply configurations for industrial BLDC motor systems
Applications
The UC2637J is used in industrial three-phase brushless DC motor drive systems requiring high reliability ceramic packaging, such as servo drives, precision positioning systems, and aerospace or defense motor control applications. Its CDIP construction makes it suitable for environments with temperature extremes or vibration where plastic packages may be inadequate. The device is also found in legacy industrial equipment and military-grade electronics where ceramic DIP components are specified.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | ALSO REQUIRES -2.5V TO -20V SUPPLY |
| Analog IC - Other Type | 3-PHASE BRUSHLESS DC MOTOR CONTROLLER |
| JESD-30 Code | R-GDIP-T18 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Output Current-Max | 0.4A |
| Package Body Material | CERAMIC, GLASS-SEALED |
| Package Equivalence Code | DIP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 15mA |
| Supply Voltage-Max (Vsup) | 20V |
| Supply Voltage-Min (Vsup) | 2.5V |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | NO |
| Technology | BIPOLAR |
| Temperature Grade | OTHER |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Ceramic Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What type of motor does the UC2637J control?
The UC2637J is a three-phase brushless DC (BLDC) motor controller from Texas Instruments, designed to drive three-phase BLDC motors with a maximum output current of 400mA per phase in industrial and high-reliability applications.
What power supply does the UC2637J require?
The UC2637J requires both a positive supply and an additional negative supply voltage ranging from -2.5V to -20V, which powers the gate drive and control circuitry for proper three-phase BLDC motor operation.
What package does the UC2637J use?
The UC2637J is housed in an 18-pin ceramic DIP (CDIP) package with glass-sealed ceramic body material, offering superior reliability, hermeticity, and thermal performance compared to plastic DIP packages.
What is the maximum output current of the UC2637J?
The UC2637J provides a maximum output current of 0.4A (400mA), which is suitable for directly driving the gate circuits of external power transistors or MOSFETs in a three-phase BLDC motor drive stage.
What are typical applications for the UC2637J?
The UC2637J is used in industrial servo drives, precision motor positioning systems, aerospace and defense motor control, legacy industrial equipment, and any application requiring a high-reliability ceramic packaged three-phase BLDC motor controller.
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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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