UC2637J Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock

Name: UC2637J
Brand: Texas Instruments
SKU: UC2637J
Availability: InStock

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.

ACTIVEIntegrated CircuitVerified May 2026

Package / Visual Reference

UC2637JCeramic Dual-In-Line Packages

Quick Facts

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

What are the key features of UC2637J?

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

What is UC2637J used for?

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.

What are the specifications of UC2637J?

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

Where can I find the UC2637J datasheet?

UC2637J Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for UC2637J?

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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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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UC2637J Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock

What are the key features of UC2637J?

What is UC2637J used for?

What are the specifications of UC2637J?

Compliance & Regulatory

Where can I find the UC2637J datasheet?

What are equivalent replacements for UC2637J?

Frequently Asked Questions

What type of motor does the UC2637J control?

What power supply does the UC2637J require?

What package does the UC2637J use?

What is the maximum output current of the UC2637J?

What are typical applications for the UC2637J?

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

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