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FAN8001D
5-Channel Motor Driver
Features
• • • • • • 1 phase, full-wave, linear DC motor driver Built-in TSD (Thermal shutdown) circuit Built-in 5V regulator (With an external PNP TR) Built-in mute circuit Built-in loading motor speed control circuit Wide operating supply voltage range: 6V~13.2V
Description
The FAN8001D is a monolithic integrated circuit, suitable for 5-ch motor driver which drives focus actuator, tracking actuator, sled motor, spindle motor and loading motor of CD system.
28-SSOPH-375
Target Applications
• • • • Compact disk player (CDP) Video compact disk player (VCD) Automotive compact disk player (CDP) Other compact disk media
Ordering Information
Device FAN8001BD FAN8001BDTF Package 28-SSOPH-375 28-SSOPH-375 Operating Temp. −25°C ~ +75°C −25°C ~ +75°C
Rev. 1.0.1 February. 2000.
©2000 Fairchild Semiconductor International
1
FAN8001D
Pin Assignments
LD CTL DO3.2 DO3.1 DO5.2 DO4.2 DO4.2 GND3 VREF VCC2 FIN (GND) DO5.1 15 14 DI5.2 VCC1
DI4.2
DI4.1
28
27
26
25
24
23
22
21
20
19
DI3
18
17
16
FAN8001D
1 DO1.1
2 DO1.2
3 DI1.1
4 DI1.2
5 REB
6 REO
7 MUTE FIN (GND)
8 GND1
9 DI5.1
10 DI2
11 DO2.1
12 DO2.2
13 GND2
Pin Definitions
Pin 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 Pin Name DO1.1 DO1.2 DI1.1 DI1.2 REB REO MUTE GND1 DI5.1 DI2 DO2.1 DO2.2 GND2 DI5.2 DO5.1 DO5.2 DO3.1 DO3.2 DI3 LD CTL VCC1 VCC2 VREF DI4.1 I/O O O I I O O I I I O O I O O O O I I I I Focus output 1 (−) Focus output 2 (+) Focus input 1 Focus input 2 (Adjustable) Regulator base Regulator output, 5V Mute Ground 1 Loading input 1 Spindle input 2 Spindle output (+) Spindle output (−) Ground 2 Loading input 2 Loading output 1(+) Loading output 2(−) Sled output (−) Sled output (+) Sled input Loading motor speed control Supply voltage 1 Supply voltage 2 2.5V bias Tracking input 1 (Adjustable) Pin Function Description
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FAN8001D
Pin Definitions (Continued)
Pin Number 25 26 27 28 Pin Name DI4.2 DO4.1 DO4.2 GND3 I/O I O O Tracking input 2 Tracking output 1 (+) Tracking output 2 (−) Ground 3 Pin Function Description
Internal Block Diagram
LD CTL DO4.2 DO4.1 DO3.2 DO3.1 DO5.2 16 − Level shift VCC2 VCC1 DI4.2 DI4.1 DI3 FIN (GND) DO5.1 15 + 14 DI5.2 − GND3 VREF 23
28
27
26
25 10k
24
22
21
20
19
18
17
10k − + 10k TSD − + − Level shift +
− Level shift − +
+ 10k
− 10k + 10k −
2.5V Regulator Mute + 50k 10k 10k 10k + 50k 10k
Level shift −
1 DO1.1
2 DO1.2
3 DI1.1
4 DI1.2
5 REB
6 REO
7 MUTE FIN (GND)
8 GND1
9 DI5.1
10 DI2
11 DO2.1
+
Level shift −
12 DO2.2
13 GND2
3
+ − +
COMP
FAN8001D
Equivalent Circuits
Driver input (Except for loading motor driver) Driver output
2.5V 10k
10k 1 2 11 12 15
16 17 18 27 26 20k
10 3 25 19
4 24
0.58k VREF1
Loading motor driver input
Loading motor speed control input
9
14 50k 50k 50k 50k 50k 20 50k
50k 50k
50k
50k
50k
50k
50k
50k
Mute input
Bias input
50k 50k 7 23
50k
4
FAN8001D
Absolute Maximum Ratings (Ta = 25°C)
Parameter Maximum supply voltage Power dissipation Operating temperature Storage temperature Maximum current output Symbol VCC MAX PD TOPR TSTG IOMAX Value 18 1.7
note
Unit V W °C °C A
−25 ~ +75 −55 ~ +150 1
NOTE: 1. When mounted on 76mm × 114mm × 1.57mm PCB (Phenolic resin material). 2. Power dissipation reduces 13.6mW / °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
1,000 0
0
25
50
75
100
125
150
175
Ambient temperature, Ta [°C]
Recommended Operating Condition (Ta = 25°C)
Parameter Operating supply voltage Symbol VCC Value 6 ~ 13.2 Unit V
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FAN8001D
Electrical Characteristics
(Ta=25°C, VCC=8V, RL=8Ω, f=1kHz, unless otherwise specified) Parameter Quiescent circuit current Mute-on current Mute-on voltage Mute-off voltage REGULATOR PART Output voltage Load regulation Line regulation Input offset voltage Output offset voltage 1 Maximum source current 1 Maximum sink current 1 Maximum output voltage 1 Maximum output voltage 2 Closed-loop voltage gain Ripple rejection ratio Slew rate VREG ∆VRL3 ∆VCC VIO VOO1 ISOURCE1 RL=8Ω→VCC ISINK1 VOM1 VOM2 AVF RR SR RL=8Ω→GND VIN=0.7V VIN=7V VIN=0.1VRMS VIN=0.1VRMS, f=120Hz 120Hz, VIN=1VRMS, Square wave VPIN9=5V, VPIN14=0V, RL=45Ω VPIN9=0V, VPIN14=5V, RL=45Ω VCTL=3.5→4.5V, VPIN9=5V VPIN14=0V, RL=45Ω VCTL=3.5→4.5V, VPIN9=0V VPIN14=5V, RL=45Ω IL=100→400mA, VPIN9=5V, VPIN14=0V IL=100→400mA, VPIN9=0V, VPIN14=5V VPIN9=5V, VPIN14=5V VPIN9=0V, VPIN14=0V IL=100mA IL=0→200mA VCC=6→13V, IL=100mA 4.7 −50 −20 −15 −40 0.25 0.25 2.5 10 40 1 5.0 0 0 0.4 0.4 3.3 −4.5 12 60 2 5.3 50 80 15 40 −3.7 14 V mV mV mV mV A A V V dB dB V / µs Symbol ICCQ IMUTE VMON VMOFF Conditions Under no-load Pin 7=GND Min. 2.5 2 Typ. 6 2.5 Max. 10 5 0.5 Units mA mA V V
DRIVER PART (Except for loading motor driver)
LOADING MOTOR DRIVER PART (Unless otherwise specified, VCTL=opened) Output voltage 1 Output voltage 2 Output voltage regulation 1 (CTL) Output voltage regulat.