NCP3066DR2G
onsemi
IC LED DRVR RGLTR PWM 1.5A 8SOIC
Trong kho48680 pcs
-
1.5A (Switch)
1
Step-Down (Buck), Step-Up (Boost)
40V
3V
Analog, PWM
-
-
-
NCP3066
Tape & Reel (TR)
-
-
-
150kHz
0°C ~ 85°C (TA)
Surface Mount
DC DC Regulator
Lighting
8-SOIC (0.154', 3.90mm Width)
8-SOIC
Yes
RFQ
NCR402U
Nexperia USA Inc.
NOW NEXPERIA NCR402U - LED DRIVE
Trong kho5750 pcs
-
-
-
-
-
-
-
-
-
-
NCR402
Bulk
-
-
*
-
-
-
-
-
-
-
-
RFQ
BD6067GU-E2
Rohm Semiconductor
IC LED DRVR RGLTR PWM VCSP85H1
Trong kho17549 pcs
30V
20mA
1
Step-Up (Boost)
5.5V
2.7V
PWM
-
-
-
BD6067
Tape & Reel (TR)
-
-
-
1MHz
-30°C ~ 85°C (TA)
Surface Mount
DC DC Regulator
Backlight, Camera Flash
8-VFBGA, CSPBGA
VCSP85H1
Yes
RFQ
AP5725WG-7
Diodes Incorporated
IC LED DRV RGLTR PWM 750MA SOT26
Trong kho162570 pcs
26V
750mA (Switch)
1
Step-Up (Boost)
5.5V
2.7V
PWM
-
-
-
AP5725
Tape & Reel (TR)
-
-
-
1.2MHz
-40°C ~ 85°C (TA)
Surface Mount
DC DC Regulator
Backlight
SOT-23-6
SOT-26
Yes
RFQ
LT3756EUD#PBF
Analog Devices Inc.
IC LED DRIVER CTRLR PWM 16QFN
Trong kho8062 pcs
-
-
1
Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost)
100V
6V
Analog, PWM
-
-
-
LT3756
Tube
-
-
-
100kHz ~ 1MHz
-40°C ~ 125°C (TJ)
Surface Mount
DC DC Controller
Lighting
16-WFQFN Exposed Pad
16-QFN (3x3)
No
RFQ
TPS61165TDBVRQ1
Texas Instruments
IC LED DRV RGLTR PWM SOT23-6
Trong kho31904 pcs
3V ~ 38V
1.2A (Switch)
1
Step-Up (Boost)
18V
3V
PWM
-
-
-
TPS61165
Tape & Reel (TR)
-
-
Automotive, AEC-Q100
1.2MHz
-40°C ~ 105°C (TA)
Surface Mount
DC DC Regulator
Automotive, Backlight
SOT-23-6
SOT-23-6
Yes
RFQ
LM3404MR
Texas Instruments
IC LED DRV RGLTR PWM 8SOPWRPAD
Trong kho14020 pcs
40V
1A
1
Step-Down (Buck)
42V
6V
PWM
-
-
-
LM3404
Tube
-
-
-
1MHz
-40°C ~ 125°C (TJ)
Surface Mount
DC DC Regulator
Automotive, Lighting
8-PowerSOIC (0.154", 3.90mm Width)
8-SO PowerPad
Yes
RFQ
XR46050IHBTR
MaxLinear, Inc.
IC LED DRIVER LINEAR 6DFN
Trong kho11480 pcs
-
-
1
-
76V
6V
-
-
-
-
XR46050
Tape & Reel (TR)
-
-
-
-
-40°C ~ 85°C (TA)
Surface Mount
Linear
Lighting
6-WDFN Exposed Pad
6-DFN (2x2)
No
RFQ
MP3318GC-Z
Monolithic Power Systems Inc.
IC LED DRV RGLTR PWM 12WLCSP
Trong kho51360 pcs
38V
50mA
3
Step-Up (Boost)
5.5V
2.7V
Analog, PWM
-
-
-
MP3318
Tape & Reel (TR)
-
-
-
475kHz ~ 1.05MHz
-40°C ~ 125°C (TJ)
Surface Mount
DC DC Regulator
Backlight
12-UFBGA, WLCSP
12-WLCSP (1.3x1.7)
Yes
RFQ
LED7707TR
STMicroelectronics
IC LED DRVR RGLTR PWM 24VFQFPN
Trong kho20210 pcs
36V
85mA
6
Step-Up (Boost)
36V
4.5V
PWM
-
-
-
LED7707
Tape & Reel (TR)
-
-
-
250kHz ~ 1MHz
-40°C ~ 150°C (TJ)
Surface Mount
DC DC Regulator
Backlight
24-VFQFN Exposed Pad
24-VFQFPN (4x4)
Yes
RFQ
AAT2870IUW-T1
Skyworks Solutions Inc.
IC LED DRIVER RGLTR DIM 30WLCSP
Trong kho30620 pcs
-
-
-
-
-
-
-
-
-
-
AAT2870
Cut Tape (CT)
-
-
*
-
-
-
-
-
-
-
-
RFQ
STP08CL596TTR
STMicroelectronics
IC LED DRVR LINEAR 90MA 16TSSOP
Trong kho7020 pcs
16V
90mA
8
Shift Register
3.6V
3V
-
-
-
-
STP08CL596
Tape & Reel (TR)
-
-
-
25MHz
-40°C ~ 125°C (TA)
Surface Mount
Linear
-
16-TSSOP (0.173", 4.40mm Width)
16-TSSOP
Yes
RFQ
TPS61187RTJR
Texas Instruments
IC LED DRVR RGLTR PWM 30MA 20QFN
Trong kho34800 pcs
38V
30mA
6
Step-Up (Boost)
24V
4.5V
PWM
-
-
-
TPS61187
Tape & Reel (TR)
-
-
-
1MHz
-40°C ~ 85°C (TA)
Surface Mount
DC DC Regulator
Backlight
20-WFQFN Exposed Pad
20-QFN (4x4)
Yes
RFQ
RT8482GQW
Richtek USA Inc.
IC LED DRIVER CTRLR PWM 16WQFN
Trong kho10330 pcs
48V
-
1
Step-Down (Buck), Step-Up (Boost)
36V
4.5V
Analog, PWM
-
-
-
RT8482
Tape & Reel (TR)
-
-
-
350kHz
-40°C ~ 125°C (TJ)
Surface Mount
DC DC Controller
Backlight, Lighting
16-WFQFN Exposed Pad
16-WQFN (3x3)
No
RFQ
TLC5945PWP
Texas Instruments
IC LED DRIVER LIN 80MA 28HTSSOP
Trong kho17896 pcs
17V
80mA
16
Shift Register
5.5V
3V
-
-
-
-
TLC5945
Tube
-
-
-
30MHz
-40°C ~ 85°C (TA)
Surface Mount
Linear
Backlight
28-PowerTSSOP (0.173', 4.40mm Width)
28-HTSSOP
Yes
RFQ
MIC2291YD5
Micrel Inc.
1.2A PWM BOOST REGULATOR PHOTO F
Trong kho78700 pcs
-
1.2A (Switch)
1
Step-Up (Boost)
10V
2.5V
PWM
-
-
-
MIC2291
Bulk
-
-
-
1.2MHz
-40°C ~ 125°C (TJ)
Surface Mount
DC DC Regulator
Camera Flash
SOT-23-5 Thin, TSOT-23-5
TSOT-23-5
Yes
RFQ
ISL97631IHTZ-T7
Renesas Electronics America Inc
IC LED DRVR RGLTR PWM TSOT23-6
Trong kho7860 pcs
27V
350mA (Switch)
1
Step-Up (Boost)
5.5V
2.7V
Analog, PWM
-
-
-
ISL97631
Tape & Reel (TR)
-
-
-
1.35MHz
-40°C ~ 85°C (TA)
Surface Mount
DC DC Regulator
Backlight
SOT-23-6 Thin, TSOT-23-6
TSOT-23-6
Yes
RFQ
TPS61061DRBR
Texas Instruments
IC LED DRVR RGLTR PWM 400MA 8SON
Trong kho39190 pcs
18.5V
400mA (Switch)
1
Step-Up (Boost)
6V
2.7V
PWM
-
-
-
TPS61061
Tape & Reel (TR)
-
-
-
1MHz
-40°C ~ 85°C (TA)
Surface Mount
DC DC Regulator
Backlight
8-VDFN Exposed Pad
8-SON (3x3)
Yes
RFQ
IS32LT3120-GRLA3-TR
Lumissil Microsystems
IC LED DRIVER LINEAR 200MA 8SOP
Trong kho55010 pcs
-
200mA
2
-
45V
6V
-
-
-
-
IS32LT3120
Tape & Reel (TR)
-
-
Automotive, AEC-Q100
-
-40°C ~ 125°C (TA)
Surface Mount
Linear
Automotive
8-SOIC (0.154', 3.90mm Width) Exposed Pad
8-SOP-EP
Yes
RFQ
MAX20053AUD/V+T
Analog Devices Inc./Maxim Integrated
IC LED DRVR RGLTR PWM 2A 14TSSOP
Trong kho4370 pcs
4.875V ~ 5.125V
2A
1
Step-Down (Buck)
65V
4.5V
Analog, PWM
-
-
-
MAX20053
Tape & Reel (TR)
-
-
-
2.1MHz
-40°C ~ 125°C
Surface Mount
DC DC Regulator
Commercial & Industrial Lighting
14-TSSOP (0.173", 4.40mm Width) Exposed Pad
14-TSSOP-EP
Yes
RFQ
MAX8834ZEWP+T
Analog Devices Inc./Maxim Integrated
IC LED DRV RGLTR I2C 20WLP
Trong kho10260 pcs
3.7V ~ 5.2V
16mA, 750mA (Flash)
3
Step-Up (Boost)
5.5V
2.5V
I²C
-
-
-
MAX8834
Tape & Reel (TR)
-
-
-
4MHz
-40°C ~ 85°C (TA)
Surface Mount
DC DC Regulator
Backlight, Camera Flash
20-WFBGA, WLBGA
20-WLP
Yes
RFQ
MP3214DQ-LF-Z
Monolithic Power Systems Inc.
IC LED DRIVER RGLTR 500MA 16QFN
Trong kho29820 pcs
-
500mA (Flash)
1
Switched Capacitor (Charge Pump)
5.5V
2.7V
-
-
-
-
MP3214
Tape & Reel (TR)
-
-
-
1.35MHz
-40°C ~ 85°C (TA)
Surface Mount
DC DC Regulator
Backlight, Camera Flash
16-VFQFN Exposed Pad
16-QFN (3x3)
Yes
RFQ
LX1993CDU
Microsemi Corporation
IC LED DRV RGLTR PWM 300MA 8MSOP
Trong kho8610 pcs
-
300mA (Switch)
1
Step-Up (Boost)
6V
1.6V
Analog, PWM
-
-
-
LX1993
Tube
-
-
-
-
0°C ~ 70°C (TA)
Surface Mount
DC DC Regulator
Backlight
8-TSSOP, 8-MSOP (0.118', 3.00mm Width)
8-MSOP
Yes
RFQ
TLC5922DAPRG4
Texas Instruments
IC LED DRVR LINEAR 80MA 32HTSSOP
Trong kho5950 pcs
17V
80mA
16
-
5.5V
3V
-
-
-
-
TLC5922
Tape & Reel (TR)
-
-
-
-
-20°C ~ 85°C (TA)
Surface Mount
Linear
Backlight, Lighting, Signage
32-PowerTSSOP (0.240", 6.10mm Width)
32-HTSSOP
Yes
RFQ
TLD5098EPXUMA1
Infineon Technologies
IC LED DRV CTRL PWM 90MA 14TSDSO
Trong kho29851 pcs
4.5V ~ 5.5V
90mA
1
Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost)
45V
4.5V
Analog, PWM
-
-
-
TLD5098
Tape & Reel (TR)
-
-
Automotive, AEC-Q100, LITIX™
100kHz ~ 500kHz
-40°C ~ 150°C (TJ)
Surface Mount
DC DC Controller
Automotive
14-TSSOP (0.154", 3.90mm Width) Exposed Pad
PG-TSDSO-14
No
RFQ
TPS60230RGTR
Texas Instruments
IC LED DRV RGLTR PWM 25MA 16VQFN
Trong kho64020 pcs
5.5V
25mA
5
Switched Capacitor (Charge Pump)
6.5V
2.7V
PWM
-
-
-
TPS60230
Tape & Reel (TR)
-
-
-
1MHz
-40°C ~ 85°C (TA)
Surface Mount
DC DC Regulator
Backlight
16-VFQFN Exposed Pad
16-VQFN (3x3)
Yes
RFQ
TPS61061YZFT
Texas Instruments
IC LED DRV RGLTR PWM 8DSBGA
Trong kho34345 pcs
18.5V
400mA (Switch)
1
Step-Up (Boost)
6V
2.7V
PWM
-
-
-
TPS61061
Tape & Reel (TR)
-
-
-
1MHz
-40°C ~ 85°C (TA)
Surface Mount
DC DC Regulator
Backlight
8-UFBGA, DSBGA
8-DSBGA
Yes
RFQ
NCL30185BDR2G
onsemi
IC LED DRV OFFL MULTI-STEP 8SOIC
Trong kho66310 pcs
-
-
1
Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost)
25.5V
8.8V
Multi-Step
-
-
-
NCL30185
Tape & Reel (TR)
-
-
-
-
-40°C ~ 125°C (TJ)
Surface Mount
AC DC Offline Switcher
Lighting
8-SOIC (0.154', 3.90mm Width)
8-SOIC
No
RFQ
TPS61169DCKR
Texas Instruments
IC LED DRV RGLTR PWM 1.8A SC70-5
Trong kho64260 pcs
-
1.8A (Switch)
1
Step-Up (Boost)
5.5V
2.7V
PWM
-
-
-
TPS61169
Tape & Reel (TR)
-
-
-
1.2MHz
-40°C ~ 125°C (TJ)
Surface Mount
DC DC Regulator
Backlight
5-TSSOP, SC-70-5, SOT-353
SC-70-5
Yes
RFQ
LYT0002D-TL
Power Integrations
IC LED DRIVER OFFL 146MA SO-8C
Trong kho99410 pcs
-
146mA
1
Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost)
308VAC
85VAC
-
-
-
-
LYT0002
Tape & Reel (TR)
-
-
LYTSwitch™-0
66kHz
-40°C ~ 125°C (TJ)
Surface Mount
AC DC Offline Switcher
-
8-SOIC (0.154', 3.90mm Width), 7 Leads
SO-8C
Yes
RFQ
NCP5603MNR2G
onsemi
IC LED DRV RGLTR PWM 200MA 10DFN
Trong kho52090 pcs
4.75V ~ 5.25V
200mA
1
Switched Capacitor (Charge Pump)
5.5V
2.7V
PWM
-
-
-
NCP5603
Tape & Reel (TR)
-
-
-
-
-40°C ~ 85°C (TA)
Surface Mount
DC DC Regulator
Backlight
10-VFDFN Exposed Pad
10-DFN (3x3)
Yes
RFQ
MAX6964ATG+
Analog Devices Inc./Maxim Integrated
IC LED DRIVER LINEAR 50MA 24TQFN
Trong kho7282 pcs
7V
50mA
17
-
3.6V
2V
-
-
-
-
MAX6964
Tube
-
-
-
400kHz
-40°C ~ 125°C (TA)
Surface Mount
Linear
Backlight
24-WFQFN Exposed Pad
24-TQFN (4x4)
Yes
RFQ
LT3477IUF#PBF
Analog Devices Inc.
IC LED DRIVER RGLTR PWM 3A 20QFN
Trong kho5157 pcs
-
3A (Switch)
1
Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost)
25V
2.5V
PWM
-
-
-
LT3477
Tube
-
-
-
200kHz ~ 3.5MHz
-40°C ~ 125°C (TA)
Surface Mount
DC DC Regulator
-
20-WFQFN Exposed Pad
20-QFN (4x4)
Yes
RFQ
A80606KEVJSR
Allegro MicroSystems
IC LED DRV RGLTR PWM 180MA 48QFN
Trong kho16075 pcs
0.95V ~ 40V
180mA
6
SEPIC, Step-Up (Boost)
40V
4.5V
Analog, PWM
-
-
-
A80606
Tape & Reel (TR)
-
-
-
260kHz ~ 2.3MHz
-40°C ~ 125°C (TA)
Surface Mount
DC DC Regulator
Automotive, Backlight
48-VFQFN Exposed Pad
48-QFN-EP (7x7)
No
RFQ
TPS92513DGQR
Texas Instruments
IC LED DRVR RGLTR PWM 10HVSSOP
Trong kho123270 pcs
45V
1.5A
1
Step-Down (Buck)
42V
4.5V
Analog, PWM
-
-
-
TPS92513
Tape & Reel (TR)
-
-
-
100kHz ~ 2MHz
-40°C ~ 125°C (TJ)
Surface Mount
DC DC Regulator
Lighting
10-PowerTFSOP, 10-MSOP (0.118', 3.00mm Width)
10-HVSSOP
Yes
RFQ
TLC59208FIPWR
Texas Instruments
IC LED DRVR LIN PWM 50MA 16TSSOP
Trong kho33000 pcs
17V
50mA
8
-
5.5V
3V
PWM
-
-
-
TLC59208
Tape & Reel (TR)
-
-
-
-
-40°C ~ 85°C (TA)
Surface Mount
Linear
-
16-TSSOP (0.173', 4.40mm Width)
16-TSSOP
Yes
RFQ
MXHV9910BE
IXYS Integrated Circuits Division
IC LED DRIVER OFFL PWM 8SOIC
Trong kho38949 pcs
-
-
1
Step-Down (Buck)
450V
8V
PWM
-
-
-
MXHV9910
Tube
-
-
-
64kHz
-40°C ~ 85°C (TA)
Surface Mount
AC DC Offline Switcher
Signage
8-SOIC (0.154', 3.90mm Width) Exposed Pad
8-SOIC-EP
No
RFQ
LT3756IUD-2#TRPBF
Analog Devices Inc.
IC LED DRIVER CTRLR PWM 16QFN
Trong kho6023 pcs
100V
-
1
Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost)
100V
6V
Analog, PWM
-
-
-
LT3756
Tape & Reel (TR)
-
-
-
100kHz ~ 1MHz
-40°C ~ 125°C (TJ)
Surface Mount
DC DC Controller
-
16-WFQFN Exposed Pad
16-QFN (3x3)
No
RFQ
LM2703MF-ADJ
Texas Instruments
IC LED DRVR RGLTR 350MA SOT23-5
Trong kho29506 pcs
21V
350mA (Switch)
1
Step-Up (Boost)
7V
2.2V
-
-
-
-
LM2703
Tape & Reel (TR)
-
-
-
-
-40°C ~ 125°C (TJ)
Surface Mount
DC DC Regulator
Backlight
SC-74A, SOT-753
SOT-23-5
Yes
RFQ
MAX17061AETI+T
Analog Devices Inc./Maxim Integrated
IC LED DRV RGLTR PWM 30MA 28TQFN
Trong kho5350 pcs
-
30mA
8
Step-Up (Boost)
26V
4.5V
PWM
-
-
-
MAX17061
Tape & Reel (TR)
-
-
-
1MHz
-40°C ~ 85°C (TA)
Surface Mount
DC DC Regulator
Backlight
28-WFQFN Exposed Pad
28-TQFN (4x4)
Yes
RFQ
CAT3644HV3-T2
onsemi
IC DRIVE LED 4CH QUADMODE 16TQFN
Trong kho14600 pcs
7V
25mA
4
Switched Capacitor (Charge Pump)
5.5V
2.5V
-
-
-
-
CAT3644
Cut Tape (CT)
-
-
QUAD-Mode®
800kHz ~ 1.6MHz
-40°C ~ 85°C (TA)
Surface Mount
-
Backlight
16-WFQFN Exposed Pad
16-TQFN (3x3)
Yes
RFQ
NCL30002DR2G
onsemi
IC LED DRIVER OFFL 8SOIC
Trong kho47530 pcs
-
-
1
Step-Down (Buck)
20V
10.2V
-
-
-
-
NCL30002
Tape & Reel (TR)
-
-
-
-
-40°C ~ 125°C (TJ)
Surface Mount
AC DC Offline Switcher
Lighting
8-SOIC (0.154", 3.90mm Width)
8-SOIC
No
RFQ
RT8476GSP
Richtek USA Inc.
IC LED DRIVER RGLTR 8SOP
Trong kho16420 pcs
-
-
1
Step-Down (Buck), Step-Up (Boost)
40V
4.5V
-
-
-
-
RT8476
Tape & Reel (TR)
-
-
-
-
-40°C ~ 85°C (TA)
Surface Mount
DC DC Regulator
Automotive, Lighting, Signage
8-SOIC (0.154', 3.90mm Width) Exposed Pad
8-SOP-EP
No
RFQ
CL2N8-G
Microchip Technology
IC LED DRVR LINEAR 20MA TO243AA
Trong kho89970 pcs
90V
20mA
1
Constant Current
90V
5V
-
-
-
-
CL2
Tape & Reel (TR)
-
-
-
-
-40°C ~ 125°C (TJ)
Surface Mount
Linear
Signage
TO-243AA
TO-243AA (SOT-89)
-
RFQ
ASL2417SHNY
NXP USA Inc.
IC LED DRVR LIN PWM 1.5A 32HVQFN
Trong kho7698 pcs
2.5V ~ 70V
1.5A
2
Buck
80V
10V
PWM
-
-
-
ASL2417
Tape & Reel (TR)
-
-
Automotive, AEC-Q100
100kHz ~ 2MHz
-40°C ~ 125°C (TA)
Surface Mount
Linear
Automotive, Lighting
32-VFQFN Exposed Pad
32-HVQFN (5x5)
Yes
RFQ
LT3755JMSE-2#TRPBF
Analog Devices Inc.
IC LED DRIVER CTRLR PWM 16MSOP
Trong kho2907 pcs
-
-
1
Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost)
40V
4.5V
Analog, PWM
-
-
-
LT3755
Tape & Reel (TR)
-
-
-
100kHz ~ 1MHz
-40°C ~ 150°C (TJ)
Surface Mount
DC DC Controller
General Purpose
16-TFSOP (0.118", 3.00mm Width) Exposed Pad
16-MSOP-EP
No
RFQ
ISL97801ARZ-TK
Renesas Electronics America Inc
IC LED DRIVER RGLTR PWM 1A 20QFN
Trong kho11240 pcs
32V
1A
1
Step-Down (Buck), Step-Up (Boost)
16V
2.7V
Analog, PWM
-
-
-
ISL97801
Tape & Reel (TR)
-
-
-
1MHz
-40°C ~ 105°C (TA)
Surface Mount
DC DC Regulator
Automotive, Backlight
20-VFQFN Exposed Pad
20-QFN (4x4)
Yes
RFQ
LV5239TAZ-NH
AMI Semiconductor / ON Semiconductor
IC LED DRVR LIN DIM 100MA 48TQFP
Trong kho40813 pcs
42V
100mA
24
-
12.8V
3V
PWM
Tape & Reel (TR)
Lead free / RoHS Compliant
3 (168 Hours)
-
-
7 Weeks
LED Driver IC 24 Output Linear PWM Dimming 100mA 48-TQFP-EP (7x7)
-
1MHz
-25°C ~ 85°C (TA)
Surface Mount
Linear
-
48-LQFP Exposed Pad
48-TQFP-EP (7x7)
-
RFQ
CAT4237TD-GT3
onsemi
IC LED DRVR RGLTR PWM TSOT23-5
Trong kho52410 pcs
30V
40mA
1
Step-Up (Boost)
5.5V
2.8V
Analog, PWM
-
-
-
CAT4237
Tape & Reel (TR)
-
-
-
1MHz
-40°C ~ 85°C (TA)
Surface Mount
DC DC Regulator
Backlight
SOT-23-5 Thin, TSOT-23-5
TSOT-23-5
Yes
RFQ
LT3756IUD#TRPBF
Analog Devices Inc.
IC LED DRIVER CTRLR PWM 16QFN
Trong kho6579 pcs
100V
-
1
Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost)
100V
6V
Analog, PWM
-
-
-
LT3756
Tape & Reel (TR)
-
-
-
100kHz ~ 1MHz
-40°C ~ 125°C (TJ)
Surface Mount
DC DC Controller
-
16-WFQFN Exposed Pad
16-QFN (3x3)
No
RFQ