Details, datasheet, quote on part number: UCC3626DWTR
PartUCC3626DWTR
CategorySemiconductors => Power Management => Power Management Special Functions => Motion/Motor Control
Part familyUCC3626 Brushless DC Motor Controller
TitleMotion/Motor Control
DescriptionBrushless DC Motor Controller 28-SOIC 0 to 70
CompanyTexas Instruments, Inc.
StatusACTIVE
ROHSY
SampleNo
DatasheetDownload UCC3626DWTR datasheet
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Specifications 
Operating Temperature Range(C)0 to 70
Package GroupSOIC,TSSOP
RatingCatalog
Operating Supply(Max)(V)14.5
FeaturesBrushless DC Motor Control,Current-Limited,Diff Curr Sense Amp,Switching Control,Tachometer
Approx. Price (US$)6.10 | 1ku
Operating Supply Current(mA)3
Operating Supply(Min)(V)11
Peak Output Current(A)0.1
  Mecanical Data
Pin nbPackage typeInd stdJEDEC codePackage qtyCarrierDevice markWidth (mm)Length (mm)Thick (mm)Pitch (mm)
28DWSOICR-PDSO-G1000LARGE T&RUCC3626DW 7.517.92.351.27
Application notes
• U-120 A Simplified Approach to DC Motor Modeling for Dynamic Stability Analysis
When we say that an electric motor is a device that transforms electric power into mechanical power, we say two things. First, that the motor is ?and behaves as ?a transformer. Second, that it stands at the dividing line between electrical and mechanical p | Doc

 

Features, Applications

FEATURES D Two-Quadrant and Four-Quadrant Operation D Integrated Absolute Value Current Amplifier D Pulse-by-Pulse and Average Current Sensing D Accurate, Variable Duty-Cycle Tachometer

Output voltage- or current-mode configurations. The oscillator is easily synchronized to an external master clock source via the SYNCH input. Additionally, a QUAD select input configures the chip to modulate either the low-side switches only, or both upper and lower switches, allowing the user to minimize switching losses in less demanding two-quadrant applications. The device includes a differential current-sense amplifier and absolute-value circuit which provide an accurate reconstruction of motor current, useful for pulse-by-pulse overcurrent protection, as well as closing a current control loop. A precision tachometer is also provided for implementing closed-loop speed control. The TACH_OUT signal is a variable duty-cycle, frequency output, which can be used directly for digital control or filtered to provide an analog feedback signal. Other features include COAST, BRAKE, and DIR_IN commands, along with a direction output, DIR_OUT.

D Trimmed Precision Reference D Precision Oscillator D Direction Output DESCRIPTION

The UCC3626 motor controller device combines many of the functions required to design a high-performance, two- or four-quadrant, threephase, brushless dc motor controller into one package. Rotor position inputs are decoded to provide six outputs that control an external power stage. A precision triangle oscillator and latched comparator provide PWM motor control in either

PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.

AVAILABLE OPTIONS to 70_C PDIP (N) UCC2626N UCC3626N PACKAGED DEVICES SOIC{ (DW) UCC2626DW UCC3626DW TSSOP{ (PW) UCC2626PW UCC3626PW

{The DW and PW packages are available taped and reeled. Add TR suffix to device type (e.g. UCC2626DWTR) to order quantities of 2,000 devices per reel. N PACKAGE (TOP VIEW) DW and PW PACKAGES (TOP VIEW)

GND VREF TACH_OUT R_TACH C_TACH CT SYNCH DIR_OUT SNS_NI SNS_I IOUT OC_REF PWM_I PWM_NI
VDD AHI ALOW BHI BLOW CHI CLOW DIR_IN QUAD BRAKE COAST HALLC HALLB HALLA
absolute maximum ratings over operating free-air temperature (unless otherwise noted)

Supply voltage VDD. 15 V Input voltage, BRAKE, COAST, DIR_IN, HALLA, HALLB, HALLC, OC_REF, QUAD, SYNCH, PWM_I, PWM_NI. V to VDD SNS_I, SNS_NI. V to VDD Output current AHI, ALOW, BHI, BLOW, CHI, CLOW. 200 mA DIR_OUT, IOUT, TACH_OUT,. 1 mA VREF. 20 mA Junction temperature range, TJ. to 150C Storage temperature range, Tstg. to 150C Lead temperature soldering mm (1/16 inch) from case for 10 seconds. 300C

Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. All voltages are with respect to GND. Currents are positive into negative out of the specified terminal.

28 QUAD 20 BRAKE 19 COAST 18 DIR_IN 21 DIRECTION SELECT HALLA 15 HALLB 16 HALL DECODER HALLC 17 DIR_OUT 8 PWM_NI 14 PWM_I 13 SYNCH CT 6 OVERCURRENT COMPARATOR S SENSE AMPLIFIER R 22 CLOW PWM COMPARATOR OSCILLATOR RxC PWM LOGIC 1 X5


 

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