|
|
Part: FAN8423D3
Category:
Power Management
-> Motor Controller/Drivers
-> DC Motor drivers/Controllers
-> DC Motor Drivers
Description: 3-Phase BLDC Motor Driver With 5V Interface
Company: Fairchild Semiconductor
Datasheet: Download FAN8423D3 datasheet File size : 400 kB
Request For quote: Find where to buy FAN8423D3
Datasheet text preview:
www.fairchildsemi.com
FAN8423D3
3-Phase BLDC Motor Driver
Features
· · · · · · · · · · 3-phase, full-wave, linear BLDC motor driver Power save at stop mode Built-in current limiter Built-in TSD (thermal shutdown) circuit Built-in 3X and 1X hall FG output Built-in hall bias circuit Built-in rotational direction detector Built-in reverse rotation preventer Built-in short braker Corresponds to 5 V DSP
Description
The FAN8423D3 is a monolithic IC, suitable for a 3-phase spindle motor driver of a CD-media system. 28-SSOPH-375SG2
Typical Applications
· · · · · · · Compact disk ROM (CD-ROM) spindle motor Compact disk RW (CD-RW) spindle motor Digital video disk ROM (DVD-ROM) spindle motor Digital video disk RAM (DVD-RAM) spindle motor Digital video disk Player (DVDP) spindle motor Other compact disk media spindle motor Other 3-phase BLDC motor
Ordering Information
Device FAN8423D3 Package
28-SSOPH-375SG2
Operating Temp. -25°C ~ +75°C -25°C ~ +75°C
FAN8423D3TF 28-SSOPH-375SG2
Rev. 1.0.1 Oct. 2000.
©2000 Fairchild Semiconductor International
FAN8423D3
Pin Assignments
FG1X FG3X VCC ECR CS1 S/S DI R VM NC EC NC 16 13 H3+ SB VH 15 14 H3FIN(GND) PC1 17 12 H2-
28
27
26
25
24
23
22
21
20
19
18
FAN8423D3
1 NC
2 A3
3 NC
4 A2
5 NC
6 NC
7 A1 FIN(GND)
8 GND
9 H1+
10 H1-
11 H2+
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 2 Pin Name NC A3 NC A2 NC NC A1 GND H1+ H1H2+ H2H3+ H3VH NC PC1 SB FG3X D IR ECR EC S /S FG1X VCC NC VM CS1 I/O O O O I I I I I I I I O O I I I O No connection Output (A3) No connection Output (A2) No connection No connection Output (A1) Ground Hall signal (H1+) Hall signal (H1-) Hall signal (H2+) Hall signal (H2-) Hall signal (H3+) Hall signal (H3-) Hall bias No connection Phase compensation capacitor Short brake FG waveform (3X) Rotational direction output Output current control reference Output current control voltage Power save (Start/Stop switch) FG waveform (1X) Supply voltage (Signal) No connection Supply voltage (Motor) Output current detection Rev. 1.0.1 Oct. 2000. Pin Function Description
1 2 3 4 5 6 7 Current Sense Amp
NC
CS1 28 27
A3
VM
26
NC
NC
25
Internal Block Diagram
A2
VCC
NC
FG1X Generator Start Stop
FG1X 24 23
NC
S/S
22
A1
EC
GND
-
GND
+
Rev. 1.0.1 Oct. 2000.
Lower Distribu8 9 GND H1+ H110 11 H2+
Output Current Limit
Reverse Rotation
20 DIR
Absolute Values
Upper Distribu-
ECR 21
Commutation Selector Detector Direction Hall Amp
H212 13 H3+ H314
Logic FG3X Generator Short Brake
FG3X 19 18 17 16
SB
PC1
NC
TSD Hall
VH 15
FAN8423D3
3
FAN8423D3
Equivalent Circuits
Hall Input
27 9 11 13 10 12 14 2 4 7
Driver Output
28
50
1K
1K
50
Torque Control Input
Hall Bias Input
50 21 50 22
+ -
15
100K
Start/stop Input
Short Brake Input
50 23
40K 18 30K
50
1K 20K
Fg Output
Vcc 10K 50 19 24 30K
Dir Output
Vcc
50 20
4
Rev. 1.0.1 Oct. 2000.
FAN8423D3
Absolute Maximum Ratings (Ta = 25°C) °
Parameter Maximum supply voltage (Signal) Maximum supply voltage (Motor) Power dissipation Maximum output current Operating temperature range Storage temperature range Symbol VCCmax VMmax PD IOmax TOPR TSTG Value 7 15 2.5note 1.3 -25 ~ +75 -55 ~ +150 Unit V V W A °C °C
NOTE: 1. When mounted on a 76.2mm × 114mm × 1.57mm PCB (Phenolic resin material). 2. Power dissipation reduces 16.6mW/°C for using above Ta = 25°C 3. Do not exceed PD and SOA (Safe operating area).
Power Dissipation Curve
Pd (mW) 3,000 2,000 SOA
1,000 0
0
25
50
75
100
125
150
175
Ambient temperature, Ta [°C]
Recommended Operating Conditions (Ta = 25°C) °
Parameter Supply Voltage Motor Supply Voltage Symbol Vcc VM Min. 4.5 3.5 Typ. 5 12 Max. 5.5 14 Unit V V
Rev. 1.0.1 Oct. 2000.
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
|
|
|
