Call us: +86 0755-82563503

Currency: $ US Dollar

Items : %s%s

Motor Drivers

Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Datasheet Factory Lead Time Lifecycle Status Mount Packaging Published Series Pbfree Code Part Status Moisture Sensitivity Level (MSL) Number of Terminations ECCN Code Max Operating Temperature Min Operating Temperature Operating Supply Voltage Length RoHS Status Lead Free Radiation Hardening Number of Pins Additional Feature Package / Case Interface REACH SVHC Reach Compliance Code Number of Drivers Frequency Height Width Mounting Type Operating Temperature Technology Operating Supply Current Operating Mode Height Seated (Max) HTS Code Number of Functions Nominal Supply Current JESD-609 Code Terminal Finish Terminal Position Terminal Form Peak Reflow Temperature (Cel) Supply Voltage Time@Peak Reflow Temperature-Max (s) Base Part Number Pin Count Temperature Grade Surface Mount Terminal Pitch JESD-30 Code Supply Voltage-Min (Vsup) Operating Temperature (Max) Number of Channels Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Output Voltage Number of Elements Configuration Number of Outputs Output Current Max Output Current Analog IC - Other Type Polarity/Channel Type Power Dissipation-Max (Abs) Applications Current - Output Power Dissipation Supply Current-Max (Isup) Propagation Delay Built-in Protections Output Current Flow Direction Supply Voltage1-Nom Supplier Device Package Max Collector Current Collector Emitter Voltage (VCEO) Transistor Application Drain-source On Resistance-Max DS Breakdown Voltage-Min FET Technology Quiescent Current Logic Function Transistor Element Material Drain Current-Max (Abs) (ID) Pulsed Drain Current-Max (IDM) Output Configuration Switching Frequency Function Voltage - Supply Output Peak Current Limit-Nom Input Characteristics Voltage - Load Motor Type Motor Type - Stepper Motor Type - AC, DC Step Resolution
AMIS30621AUA AMIS30621AUA ON Semiconductor 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 2010 Obsolete 2 (1 Year) RoHS Compliant Lead Free 20-SOIC (0.295, 7.50mm Width) LIN Surface Mount -40°C~165°C TJ AMIS-30621 800mA General Purpose 570mA AND Half Bridge (4) Driver - Fully Integrated, Control and Power Stage 6.5V~29V 6.5V~29V Bipolar
IRMCF371TR IRMCF371TR Infineon Technologies 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 21 Weeks Surface Mount Tape & Reel (TR) 2006 MCE™ Active 3 (168 Hours) 48 3.3V 7mm ROHS3 Compliant No 48 48-LQFP I2C, RS-232, SPI 7mm Surface Mount -40°C~85°C TA IGBT QUAD GULL WING 1.8V IRMCF371 0.5mm 1 BRUSH DC MOTOR CONTROLLER Appliance Pre-Driver - Half Bridge (3) Controller - Commutation, Direction Management 1.62V~1.98V 3V~3.6V AC, Synchronous
CS8441YN8 CS8441YN8 ON Semiconductor 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download OBSOLETE (Last Updated: 2 days ago) Through Hole Tube 2004 no Obsolete 1 (Unlimited) 8 EAR99 Non-RoHS Compliant Contains Lead 8 8-DIP (0.300, 7.62mm) On/Off not_compliant 7.62mm Through Hole -40°C~150°C TJ 4.45mm e0 Tin/Lead (Sn/Pb) DUAL 10V CS8441 2.54mm 6.5V Motion Control Electronics Not Qualified 6.5/15.5V 24V STEPPER MOTOR CONTROLLER General Purpose 85mA 35mA AND Half Bridge (4) Driver - Fully Integrated, Control and Power Stage 6.5V~15.5V 6.5V~15.5V Bipolar
LB1838M-MPB-E LB1838M-MPB-E Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Box (TB) Obsolete 3 (168 Hours) ROHS3 Compliant 14-LSOP (0.173, 4.40mm Width) Parallel Surface Mount -20°C~75°C TA Bipolar Battery Powered 1A MFP14S Half Bridge (4) Driver - Fully Integrated, Control and Power Stage 2.5V~9V 1.8V~9V Bipolar
DRV2605LYZFT DRV2605LYZFT Texas Instruments 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks ACTIVE (Last Updated: 1 week ago) Surface Mount Tape & Reel (TR) yes Active 1 (Unlimited) 9 1.75mm ROHS3 Compliant Lead Free 9 9-UFBGA, DSBGA I2C No SVHC 300Hz 625μm 1.75mm Surface Mount -40°C~150°C TJ Power MOSFET 650μA e1 Tin/Silver/Copper (Sn/Ag/Cu) BOTTOM BALL NOT SPECIFIED 3.6V NOT SPECIFIED DRV2605 2V 5.2V 1.8V 1 ANALOG CIRCUIT Haptic Feedback 500μA AND Half Bridge (2) Driver - Fully Integrated, Control and Power Stage 2V~5.5V 2V~5.5V ERM, LRA
LC898122AXA-VH LC898122AXA-VH ON Semiconductor 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 4 Weeks ACTIVE (Last Updated: 1 day ago) Surface Mount Tape & Reel (TR) 2013 yes Active 3 (168 Hours) 30 85°C -30°C 3.6V 2.59mm ROHS3 Compliant Lead Free No 30 IT ALSO OPERATES AT 3V 30-XFBGA, WLCSP I2C 1.99mm Surface Mount CMOS 0.45mm 8542.39.00.01 e1 Tin/Silver/Copper (Sn/Ag/Cu) BOTTOM BALL 3V OTHER 0.4mm Image Stabilization 220mA 2.8V AND Half Bridge (6) Driver - Fully Integrated, Control and Power Stage 2.6V~3.6V 2.6V~3.6V
DRV8350HRTVR DRV8350HRTVR Texas Instruments 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 6 Weeks Tape & Reel (TR) yes Active 2 (1 Year) 40 6mm ROHS3 Compliant 32-WFQFN Exposed Pad Hardware 6mm Surface Mount -40°C~125°C TA Power MOSFET 0.8mm e4 Nickel/Palladium/Gold (Ni/Pd/Au) QUAD NO LEAD 10V DRV8350 YES 0.5mm S-PQCC-N32 9V 75V BRUSHLESS DC MOTOR CONTROLLER Brushless DC (BLDC) 5mA Half Bridge (3) Controller - Commutation, Direction Management 6V~95V 9V~75V Multiphase Brushless DC (BLDC)
TEA3718SFPTR TEA3718SFPTR STMicroelectronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Cut Tape (CT) Obsolete 1 (Unlimited) 20 EAR99 50V 12.8mm ROHS3 Compliant Contains Lead No 20 ALSO REQUIRES A 10 TO 45 V SUPPLY 20-SOIC (0.295, 7.50mm Width) Parallel 7.5mm Surface Mount 0°C~150°C TJ 2.65mm 8542.39.00.01 25mA e0 DUAL GULL WING 5V TEA3718 1.27mm 4.75V Motion Control Electronics 510/45V 5.25V STEPPER MOTOR CONTROLLER General Purpose 1.5A AND Half Bridge (2) Driver - Fully Integrated, Control and Power Stage 4.75V~5.25V 10V~45V Bipolar 1, 1/2
L99H01QF L99H01QF STMicroelectronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download ACTIVE (Last Updated: 7 months ago) Surface Mount Tray Active 3 (168 Hours) 32 EAR99 7mm ROHS3 Compliant No 32 32-LQFP SPI 7mm Surface Mount -40°C~150°C TJ CMOS e3 Tin (Sn) QUAD GULL WING 235 13V 30 L99H 0.8mm 6V Motion Control Electronics 3.3/56/28V 28V 1 500mA BRUSH DC MOTOR CONTROLLER Automotive Pre-Driver - Half Bridge (2) Controller - Commutation, Direction Management 6V~28V Brushed DC
TC646BEUA713 TC646BEUA713 Microchip Technology 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 11 Weeks Surface Mount Tape & Reel (TR) 2002 FanSense™ yes Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant Lead Free 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) Parallel 3mm Surface Mount -40°C~85°C TA 400μA e3 Matte Tin (Sn) DUAL GULL WING 260 5V 40 TC646 0.65mm 3V Motion Control Electronics Not Qualified 3.3/5V 5.5V 1 5mA BRUSHLESS DC MOTOR CONTROLLER Fan Controller 0.4mA Pre-Driver - Low Side Controller - Speed 3V~5.5V Brushless DC (BLDC)
AH286-PL-B AH286-PL-B Diodes Incorporated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Bulk 2016 yes Discontinued 3 (168 Hours) 5 EAR99 150°C -40°C 5.22mm ROHS3 Compliant Lead Free INPUT VOLTAGE LIMIT-MAX=24 SIP On/Off No SVHC 1.55mm 8542.39.00.01 1 e3 Matte Tin (Sn) SINGLE 260 12V 40 5 INDUSTRIAL 0.95mm 3.8V Not Qualified 20V 500mA BRUSHLESS DC MOTOR CONTROLLER AND
TPIC1310KTS TPIC1310KTS Texas Instruments 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 no 15 EAR99 Non-RoHS Compliant Contains Lead ESD PROTECTED not_compliant ENHANCEMENT MODE SINGLE THROUGH-HOLE NOT SPECIFIED NOT SPECIFIED 15 NO R-PSIP-T15 150°C FET General Purpose Power Not Qualified 6 COMPLEX N-CHANNEL 13.9W SWITCHING 0.37Ohm 30V METAL-OXIDE SEMICONDUCTOR SILICON 3A 12A
PS8AES05WEX PS8AES05WEX Diodes Incorporated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Tape & Reel (TR) Obsolete 1 (Unlimited)
PS8A67BAQEX PS8A67BAQEX Diodes Incorporated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Tape & Reel (TR) Obsolete 1 (Unlimited)
TLE7209-2R TLE7209-2R Infineon Technologies 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) 2005 no Obsolete 1 (Unlimited) 20 EAR99 15.9mm RoHS Compliant 20-PowerSOIC (0.433, 11.00mm Width) SPI compliant 11mm Surface Mount -40°C~150°C TJ CMOS 3.5mm 8542.39.00.01 DUAL GULL WING NOT SPECIFIED NOT SPECIFIED TLE7209 YES 1.27mm R-PDSO-G20 5V Motion Control Electronics Not Qualified 5/28V 28V STEPPER MOTOR CONTROLLER General Purpose 5A Half Bridge (2) Driver - Fully Integrated, Control and Power Stage 5V~28V 5V~28V Brushed DC
DRV8353SRTAR DRV8353SRTAR Texas Instruments 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 6 Weeks Tape & Reel (TR) yes Active 2 (1 Year) 40 6mm ROHS3 Compliant 40-WFQFN Exposed Pad PWM, SPI 6mm Surface Mount -40°C~125°C TA Power MOSFET 0.8mm e4 Nickel/Palladium/Gold (Ni/Pd/Au) QUAD NO LEAD 10V DRV8353 YES 0.5mm S-PQCC-N40 9V 75V BRUSHLESS DC MOTOR CONTROLLER Brushless DC (BLDC) 5mA Half Bridge (3) Controller - Commutation, Direction Management 6V~95V 9V~75V Multiphase Brushless DC (BLDC)
STK672-060-E STK672-060-E ON Semiconductor 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Bulk 2004 yes Obsolete 1 (Unlimited) 22 53mm RoHS Compliant Lead Free No 22 22-SIP Parallel No SVHC 9mm 22mm Through Hole 150°C TJ Power MOSFET 14mA e2 Tin/Nickel/Copper (Sn/Ni/Cu) SINGLE 5V STK672 4.75V Motion Control Electronics 524V 5.25V 2.4V 1 1.6A General Purpose 1.2A 7W 1.6A 45V Half Bridge (2) 57kHz Driver - Fully Integrated, Control and Power Stage 4.75V~5.25V 10V~45V Stepper Unipolar 1, 1/2, 1/4, 1/8, 1/16
DRV8847SPWR DRV8847SPWR Texas Instruments 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 12 Weeks Tape & Reel (TR) yes Active 2 (1 Year) 16 5mm ROHS3 Compliant 16-TSSOP (0.173, 4.40mm Width) I2C, PWM 4.4mm Surface Mount -40°C~150°C TJ Power MOSFET 1.2mm e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL GULL WING 12V DRV8847 YES 0.65mm R-PDSO-G16 2.7V 18V STEPPER MOTOR CONTROLLER General Purpose 2A Half Bridge (4) Driver - Fully Integrated, Control and Power Stage 2.7V~18V 2.7V~18V Bipolar Brushed DC
BTM7742GXUMA1 BTM7742GXUMA1 Infineon Technologies 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 20 Weeks Tape & Reel (TR) 2010 TrilithIC™ yes Last Time Buy 3 (168 Hours) 36 EAR99 12.8mm ROHS3 Compliant 36-BSSOP (0.295, 7.50mm Width) Parallel 7.6mm Surface Mount -40°C~150°C TJ Power MOSFET 2.65mm 8542.39.00.01 DUAL GULL WING NOT SPECIFIED 13.5V NOT SPECIFIED BTM7742 YES 0.65mm R-PDSO-G36 General Purpose 12A TRANSIENT; OVER CURRENT; THERMAL; UNDER VOLTAGE SOURCE SINK Half Bridge (2) Driver - Fully Integrated, Control and Power Stage 5.5V~28V 12A 5.5V~28V Brushed DC
LB11988H-TLM-E LB11988H-TLM-E ON Semiconductor 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 32 Weeks LAST SHIPMENTS (Last Updated: 6 days ago) Surface Mount Tape & Reel (TR) 2012 yes Obsolete 3 (168 Hours) 28 22V 15.2mm RoHS Compliant Lead Free OUTPUT BLOCK POWER SUPPLY IS 5 TO 22 28-SOP (0.311, 7.90mm Width) Exposed Pad + 2 Heat Tabs Parallel 7.9mm Surface Mount -30°C~85°C TA Bipolar 2.45mm 8542.39.00.01 24mA e6 Tin/Bismuth (Sn/Bi) DUAL GULL WING NOT SPECIFIED 12V NOT SPECIFIED 0.8mm R-PDSO-G28 7V Motion Control Electronics Not Qualified 12V BRUSHLESS DC MOTOR CONTROLLER Fan Motor Driver 1.3A 800mW AND Half Bridge (3) Driver - Fully Integrated, Control and Power Stage 7V~22V 5V~22V Brushless DC (BLDC)
A3949SLBTR-T A3949SLBTR-T Allegro MicroSystems 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) 2010 yes Obsolete 3 (168 Hours) 16 EAR99 ROHS3 Compliant Lead Free No 16 16-PowerSOIC (0.295, 7.50mm Width) Parallel No SVHC 7.5mm Surface Mount -20°C~150°C TJ DMOS 2.65mm e3 Matte Tin (Sn) DUAL GULL WING A3949 8V Motion Control Electronics 36V 1 BRUSH DC MOTOR CONTROLLER General Purpose 2.8A 8.5mA Half Bridge (2) Driver - Fully Integrated, Control and Power Stage 8V~36V 8V~36V Brushed DC
LV8082LP-TE-L-H LV8082LP-TE-L-H ON Semiconductor 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download OBSOLETE (Last Updated: 1 week ago) Surface Mount Cut Tape (CT) 2007 yes Obsolete 1 (Unlimited) 16 RoHS Compliant Lead Free 16 16-WFQFN Parallel No SVHC Surface Mount -30°C~85°C TA Bi-CMOS 700μA QUAD NO LEAD 3V LV8082 0.5mm Motion Control Electronics Not Qualified 3V 6.5V 2 Camera 200mA 1mA Half Bridge (4) Driver - Fully Integrated, Control and Power Stage 2.5V~6V 2.5V~6V Voice Coil Motor
LB1928-E LB1928-E ON Semiconductor 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 2 Weeks LAST SHIPMENTS (Last Updated: 1 month ago) Through Hole Tube 2008 yes Obsolete 1 (Unlimited) 28 RoHS Compliant Lead Free No 30 28-SDIP (0.500, 12.70mm) Exposed Pad Parallel Through Hole -20°C~80°C TA Bipolar e6 Tin/Bismuth (Sn/Bi) DUAL 24V LB1928 R-PDIP-T28 Motion Control Electronics 24V 1 General Purpose 3.1A Half Bridge (3) Driver - Fully Integrated, Control and Power Stage 9.5V~28V 9.5V~28V Brushless DC (BLDC)
PT8T1301DE PT8T1301DE Diodes Incorporated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Bulk Obsolete 1 (Unlimited)
DRV8350SRTVR DRV8350SRTVR Texas Instruments 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 6 Weeks Tape & Reel (TR) yes Active 2 (1 Year) 32 5mm ROHS3 Compliant 32-WFQFN Exposed Pad SPI 5mm Surface Mount -40°C~125°C TA Power MOSFET 0.8mm e4 Nickel/Palladium/Gold (Ni/Pd/Au) QUAD NO LEAD 10V DRV8350 YES 0.5mm S-PQCC-N32 9V 75V BRUSHLESS DC MOTOR CONTROLLER Brushless DC (BLDC) 5mA Half Bridge (3) Controller - Commutation, Direction Management 6V~95V 9V~75V Multiphase Brushless DC (BLDC)
L6258E L6258E STMicroelectronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube Obsolete 1 (Unlimited) 36 EAR99 15.9mm ROHS3 Compliant No 36 PowerSO-36 Exposed Bottom Pad Parallel 11mm Surface Mount 150°C TJ DMOS 3.6mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL GULL WING 5V L6258 0.65mm 4.75V Motion Control Electronics 540V 5.25V STEPPER MOTOR CONTROLLER General Purpose 1.2A Half Bridge (4) Driver - Fully Integrated, Control and Power Stage 4.75V~5.25V 12V~40V Bipolar Brushed DC 1, 1/2, 1/4, 1/8, 1/16
LMD18201T LMD18201T Texas Instruments 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 NRND (Last Updated: 5 days ago) Through Hole Tube Not For New Designs 1 (Unlimited) 11 EAR99 Non-RoHS Compliant Contains Lead No 11 TO-220-11 (Formed Leads) Parallel No SVHC Through Hole -40°C~150°C TJ Bi-CMOS, DMOS 13mA e0 Tin/Lead (Sn/Pb) ZIG-ZAG 260 42V 40 LMD18201 2 55V General Purpose 3A 25W TRANSIENT; OVER CURRENT; THERMAL; UNDER VOLTAGE SOURCE SINK Half Bridge (2) Driver - Fully Integrated, Control and Power Stage 12V~55V 6A STANDARD 12V~55V Bipolar Brushed DC
TLE7185E TLE7185E Infineon Technologies 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) 2010 Obsolete 1 (Unlimited) 36 EAR99 RoHS Compliant 36 36-BSSOP (0.295, 7.50mm Width) Exposed Pad Parallel 6 30kHz Surface Mount -40°C~150°C TJ Power MOSFET 80mA e3 MATTE TIN DUAL GULL WING 260 7V 40 TLE7185 5.5V Not Qualified 32V 1 AC MOTOR CONTROLLER Automotive 3W 200 ns Pre-Driver - Half Bridge (3) Controller - Commutation, Direction Management 5.5V~32V Brushless DC (BLDC), Brushed DC
TLE4208GXUMA1 TLE4208GXUMA1 Infineon Technologies 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 20 Weeks Tape & Reel (TR) 2004 yes Obsolete 3 (168 Hours) 28 EAR99 18.1mm RoHS Compliant 28-SOIC (0.295, 7.50mm Width) Parallel compliant 7.6mm Surface Mount -40°C~150°C TJ Bipolar 2.65mm 8542.39.00.01 DUAL GULL WING NOT SPECIFIED 13.2V NOT SPECIFIED TLE4208 YES 1.27mm R-PDSO-G28 5V Not Qualified 18V BRUSH DC MOTOR CONTROLLER General Purpose 800mA Half Bridge (4) Driver - Fully Integrated, Control and Power Stage 5V~18V 5V~18V Brushed DC
LB11693H-TLM-E LB11693H-TLM-E ON Semiconductor 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 30 Weeks LAST SHIPMENTS (Last Updated: 1 month ago) Surface Mount Tape & Reel (TR) 2006 yes Obsolete 3 (168 Hours) 36 RoHS Compliant Lead Free No 36 36-SOP (0.311, 7.90mm Width) Exposed Pad + 2 Heat Tabs PWM 7.9mm Surface Mount -30°C~100°C TA BIPOLAR 2.45mm e6 Tin/Bismuth (Sn/Bi) DUAL GULL WING 24V LB11693 0.8mm 9.5V Motion Control Electronics 24V 28V 1 BRUSHLESS DC MOTOR CONTROLLER General Purpose 1.8A 900mW Half Bridge (3) Driver - Fully Integrated, Control and Power Stage 9.5V~28V 9.5V~28V Brushless DC (BLDC)
Settings Need Help?
Top FAQ's

How can I quickly find answers to my questions?

Please visit the Help & Support area of our website to find information regarding ordering, shipping, delivery and more.

What is my Order Status?

Registered users can track orders from their account dropdown, or click here. *Order Status may take 12 hours to update after initial order is placed.

How do I return product?

Users can begin the returns process by starting with our Returns Page.

How do I find price and availability?

Quotes can be created by registered users in myLists.

How do I create a 'HK JDW' Account?

Visit the Registration Page and enter the required information. You will receive an email confirmation when your registration is complete.

United Kingdom/GBP Summary
Fast Shipping Fast Delivery

Orders are typically delivered to United Kingdom within 48 hours depending on location.

Free Shipping Free Shipping

Free delivery to United Kingdom on orders of £33 or more. A delivery charge of £12 will be billed on all orders less than £33.

Incoterms Incoterms

DDP (Duty and customs paid by HK JDW)

Payment Options Payment Types

Credit account for qualified institutions and businesses

Payment in Advance by Wire Transfer

Visa Mastercard American Express PayPal Apple Pay Google Pay

Marketplace Marketplace Product

More Products From Fully Authorized Partners

Average Time to Ship 1-3 Days, extra ship charges may apply. Please see product page, cart, and checkout for actual ship speed.

Incoterms: CPT (Duty, customs, and applicable VAT/Tax due at time of delivery)

For more information visit Help & Support