UC2625-EP
www.ti.com .................................................................................................................................................................................................. SLUS802–MARCH 2008
BRUSHLESS DC MOTOR CONTROLLER
1
FEATURES
•
Controlled Baseline
•
Drives Power MOSFETs or Power Darlingtons
Directly
–
–
–
One Assembly Site
One Test Site
•
•
•
50-V Open Collector High-Side Drivers
Latched Soft Start
One Fabrication Site
High-speed Current-Sense Amplifier with Ideal
Diode
•
•
Extended Temperature Performance of –55°C
to 125°C
•
•
•
•
•
•
•
Pulse-by-Pulse and Average Current Sensing
Over-Voltage and Under-Voltage Protection
Direction Latch for Safe Direction Reversal
Tachometer
Enhanced Diminishing Manufacturing Sources
(DMS) Support
•
•
Enhanced Product-Change Notification
(1)
Qualification Pedigree
(1) Component qualification in accordance with JEDEC and
industry standards to ensure reliable operation over an
extended temperature range. This includes, but is not limited
to, Highly Accelerated Stress Test (HAST) or biased 85/85,
temperature cycle, autoclave or unbiased HAST,
Trimmed Reference Sources 30 mA
Programmable Cross-Conduction Protection
Two-Quadrant and Four-Quadrant Operation
electromigration, bond intermetallic life, and mold compound
life. Such qualification testing should not be viewed as
justifying use of this component beyond specified
performance and environmental limits.
DESCRIPTION/ORDERING INFORMATION
The UC2625 motor controller integrates most of the functions required for high-performance brushless dc motor
control into one package. When coupled with external power MOSFETs or Darlingtons, this device performs
fixed-frequency PWM motor control in either voltage or current mode while implementing closed loop speed
control and braking with smart noise rejection, safe direction reversal, and cross-conduction protection.
Although specified for operation from power supplies between 10 V and 18 V, the UC2625 can control higher
voltage power devices with external level-shifting components. The UC2625 contains fast, high-current push-pull
drivers for low-side power devices and 50-V open-collector outputs for high-side power devices or level shifting
circuitry.
The UC2625 is characterized for operation over the military temperature range of –55°C to 125°C.
ORDERING INFORMATION(1)
ORDERABLE PART
NUMBER
TOP-SIDE
MARKING
TA
PACKAGE(2)
PDIP – N
UC2625MNEP
UC2625EP
UC2625EP
–55°C to 125°C
SOIC – DW
UC2625MDWREP
(1) For the most current package and ordering information, see the Package Option Addendum at the end
of this document, or see the TI website at www.ti.com.
(2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2008, Texas Instruments Incorporated
Copyright © 2008, Texas Instruments Incorporated
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