|
|
Part: FAN8434TF
Category:
Description: Camcorder 3 in One Motor Driver
Company: Fairchild Semiconductor
Datasheet: Download FAN8434TF datasheet File size : 400 kB
Request For quote: Find where to buy FAN8434TF
Datasheet text preview:
www.fairchildsemi.com
FAN8434
Camcorder 3 in 1 Motor Driver
Features
Capstan motor drive block · 3-phase, linear BLDC motor driver with 3 hall sensors. · Built-in FG amplifier. · Forward and reverse rotation function. · Built-in amplitude limiter. Drum motor drive block · 3-phase soft commutating sensor less drive method. · Built-in FG amplifier. · Built-in PG amplifier. Loading motor drive block · Single phase H-bridge driving method. · 4-mode selection function(forward, reverse, brake,standby). Common block · Built-in TSD(thermal shut down) · Built-in 4-normal op-amp.
Description
The FAN8434 is a camcorder one-chip motor driver IC. It is composed of capstan motor driver , drum motor driver and loading motor driver.
64-LQFP-1010
Typical Applications
· C amcorde r
Ordering Information
Device FAN8434 FAN8434_NL FAN8434X
Notes:
note2 note1
Package
Operating Temp.
64-LQFP-1010 -25°C ~ +75°C 64-LQFP-1010 -25°C ~ +75°C 64-LQFP-1010 -25°C ~ +75°C
FAN8434X_NLnote2 64-LQFP-1010 -25°C ~ +75°C 1. X: Tape & Reel 2. NL: Lead-free type
Rev. 1.0.1
©2004Fairchild Semiconductor Corporation
FAN8434
Pin Assignments
D_FGOUT C_FGOUT C_FGIN+ C_FGIND_FGIN1 33 D_STBY 34 ANGLE 39 C_VM VCC2 41 C_FR 40 HW+ HW-
VH+ 43
48
47
46
45
44
42
VH-
HV+
HV-
38
37
36
35
HUHU+ C_ W O U T C_RS C_ VO U T C_ STBY C_ U O U T D_WOUT D_RS D_VOUT D_UOUT D_VM L_OUT2 L_R S L_OUT1 L_ILIM
49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
32 31 30 29 28 27 26 25
D_ FG IN VR EF D_ P G IN D_PGC D_PGOUT G ND D_WIN D_ VIN D_UIN D_ CO M VCC 1 FC2 FILTER FC1 OSC D_ FR
F A N 8434
24 23 22 21 20 19 18 17
1 OPIN3-
2 O PO U T 3
3 FWD
4 REV
5 L_VM
6 OPIN1-
7 OPIN1+
8 O PO U T 1
9 O PO U T 2
10 OPIN2+
11 OPIN2-
12 SELCSLP
13 CSC1
14 CSC2
15 OPIN4-
16 O PO U T 4
2
FAN8434
Pin Definitions
Pine Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Pin Name OP I N 3 O POUT3 FWD REV L_VM OP I N 1 OP I N 1 + O POUT1 O POUT2 OPIN2+ OPIN2SELCSLP CSC1 CSC2 OPIN4OPOUT4 D_FR OSC FC1 FILTER FC2 VCC1 D_MCOM D_UIN D_VIN D_WIN GND D_PGOUT D_PGC D_PGIN VREF D_FGIN I/O I O I I I I O O I I I I O I I I I I O I I I OP amp. 3 input OP amp. 3 output Loading motor forward input Loading motor reverse input Loading motor power supply voltage OP amp. 1 input OP amp. 1 input + OP amp. 1 output OP amp. 2 output OP amp. 2 input + OP amp. 2 input Selection pin for oscillator 's slant Drum motor soft commutating oscillation 1 Drum motor soft commutating oscillation 2 OP amp. 4 input OP amp. 4 output Drum motor forward / reverse selection pin Drum motor start up oscillation Frequency characteristic Drum motor torque ripple compensation Output midpoint control Power supply voltage 1 Drum motor Y-connection coil common input Drum motor U-phase detect comparator input Drum motor V-phase detect comparator input Drum motor W-phase detect comparator input Signal ground Drum motor PG comparator output Drum motor PG amp. output Drum motor PG input Reference voltage Drum motor FG input Pin Function Description
3
FAN8434
Pin Definitions (Continued)
Pine Number 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 Pin Name D_FGIN1 D_STBY D_FGOUT C_FGOUT C_FGINC_FG IN+ ANG LE C_FR VCC2 VHVH+ C_VM HWHW+ HVHV+ HUHU+ C_WOUT C_RS C_VOUT C_STBY C_UOUT D_WOUT D_RS D_VOUT D_UOUT D_VM L_OUT2 L_RS L_OUT1 L_ILIM I/O I I O O I I I I I I I I I O O I O O O O O O Pin Function Description Drum motor FG input 1 Drum motor standby Drum motor FG comparator output Capstan motor FG comparator output Capstan motor FG inputCapstan motor FG input+ Capstan motor output slant selection Capstan motor forward / reverse selection Power supply voltage 2 Hall bias supply voltageHall bias supply voltage+ Capstan motor power supply voltage Capstan motor hall input WCapstan motor hall input W+ Capstan motor hall input VCapstan motor hall input V+ Capstan motor hall input UCapstan motor hall input U+ Capstan motor output W Capstan motor power ground Capstan motor output V Capstan motor standby Capstan motor output U Drum motor output W Drum motor output current sensing Drum motor output V Drum motor output U Drum motor power supply voltage Loading motor output 2 Loading motor output current sensing Loading motor output 1 Loading motor output current limiting
4
FAN8434
Internal Block Diagram
L_OUT2 OPOUT1 L_OUT1 OPIN1+ OPIN1L_VM L_RS OPOUT2 OPIN2+ OPIN2-
5 V C C1 T SD
63
61
62
7
6
8
10 11 9
V C C1 / 2 FW D 3 REV 4 L_ILIM 64 M O DE SEL E C T I O N O UT PUT D R I VE R V C C1 / 2 1 5 O P IN 4 VH+ 43 VH- 42 ANGLE 39 HU+ 50 HU- 49 HV+ 48 HV- 47 HW + 46 HW - 45 C _ FR 4 0 V CC 1 M ATRIX & LOGIC & O U T PU T D R I VE R 5 5 C_ U O U T 5 3 C_ V O U T 5 1 C_ W O U T 16 OP OUT 4 Hall power supply voltage T SD 44 CVM 1 O P IN 3 2 OP OUT 3
5 2 C _ RS Upper/Lower amplitude limiter V C C1 C ap s t an bias circuit 5 4 C_ S T B Y
C_ F G O U T 3 6 C_ FG I N - 3 7 C _ FG I N + 3 8
60 D_VM F C2 2 1 V CC1 D ru m bias circuit M id Point CONT ROL BACK-EMF D ET EC T 2 3 D _ CO M 24 D_UIN 25 D_VIN 2 6 D _ W IN OSC 18 D _ FR 1 7 C SC1 1 3 CS C2 1 4 F C1 1 9 FILT ER 20 SE LCSLP 1 2 T SD 5 7 D _ RS V CC1 START-UP CO NT RO L F o r w ar d / R e v e r s e T IM ING CO NT RO L SO F T COM M UTATING D R I VE O U T PU T D R I VE R
D_ST B Y 34
M ASKING
59 D_UOUT 58 D_VOUT 56 D_W OUT
V CC1
R ef er en ce Vo ltag e
V CC1
27 GND
35 D_FGOUT
33 D_FGIN1
32 D_FGIN
31 VREF
30 D_PGIN
29 D_PGC
28 D_PGOUT
5
Others parts begin by fa
FA-1 FA-2 FA-3 FA-4 FA-5 FA-6 FA-7 FA-8 FA-9 FA-10 FA-11 FA-12 FA-13 FA-14 FA-15 FA-16 FA-17
|
|
|
