參數(shù)資料
型號(hào)： LB1998
廠商： Sanyo Electric Co.,Ltd.
英文描述： Three-Phase Brushless Motor Driver for CD-ROM Spindle Drive
中文描述： 三相無(wú)刷電機(jī)驅(qū)動(dòng)器為CD - ROM驅(qū)動(dòng)器主軸
文件頁(yè)數(shù)： 8/9頁(yè)
文件大?。?/td> 91K
代理商： LB1998
LB1998
No. 5979-8/9
Pin number
Pin name
Pin voltage
Equivalent circuit
Pin function
23
0V to 3.5V
1
0V to 3.5V
22
PWR GND
21
20
18
R F
25
7
BRAKE
Continued from preceding page
Control reference voltage supply
pin. Determines control start
voltage.
Speed control voltage supply pin
V type control technique
V
C
> V
CREF
: Forward
V
C
< V
CREF
: Slowdown
(Reverse-blocking circuit
prevents reverse rotation.)
W phase output
Output transistor GND
V phase output
U phase output
Upper side output PNP transistor
collector pin (common for all 3
phases). For current detection,
connect resistor between V
CC
3
pin and RF pin. Constant current
control and current limiter works
by detecting this voltage.
1 Hall FG/3 Hall FG output,
switching pin:
High –
>
3 Hall FG
Low/Open –
>
1 Hall FG
Brake mode switching pin
BRAKE:
High –
>
Short brake
Low/Open –
>
Reverse brake
Brake mode changes when
V
CIN
> V
CREF
.
Continued on next page
V
CREF
V
CIN
W
OUT
V
OUT
U
OUT
FG
SEL
V
CC
1
23
25
μ
A
15
μ
A
25
μ
A
15
μ
A
68 k
200
A11201
V
CC
1
23
6
μ
A
6
μ
A
6
μ
A
200
6 pF
A11202
1
18
PWRGND
V
CC
2
3.9
3.9
20 21 22
A11203
25
V
CC
1
50 k
75 k
A11204
100
μ
A
3
V
CC
1
50 k
75 k
A11205
相關(guān)PDF資料
PDF描述
LB1999 Three-Phase Brushless Motor Driver for VCR Capstan Motors
LB1999M Three-Phase Brushless Motor Driver for VCR Capstan Motors
LB251 CYAN LAMP LED
LB301 BLUE OVAL LAMP LED
LB340 BLUE LAMP LED
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LB1999 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Three-Phase Brushless Motor Driver for VCR Capstan Motors
LB1999M 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Three-Phase Brushless Motor Driver for VCR Capstan Motors
LB1A-B1B 制造商:IDEC Corporation 功能描述:LENS, ROUND, BLACK, PUSHBUTTON SWITCH 制造商:IDEC Corporation 功能描述:LENS, ROUND, BLACK, PUSHBUTTON SWITCH; For Use With:Non Illuminated Push Button Switches; Mounting Hole Dia:16mm; Lens Color:Black
LB1A-B1G 制造商:IDEC Corporation 功能描述:LENS, ROUND, GREEN, PUSHBUTTON SWITCH 制造商:IDEC Corporation 功能描述:LENS, ROUND, GREEN, PUSHBUTTON SWITCH; For Use With:Non Illuminated Push Button Switches; Mounting Hole Dia:16mm; Lens Color:Green
LB1A-B1R 制造商:IDEC Corporation 功能描述:LENS, ROUND, RED, PUSHBUTTON SWITCH 制造商:IDEC Corporation 功能描述:LENS, ROUND, RED, PUSHBUTTON SWITCH; For Use With:Non Illuminated Push Button Switches; Mounting Hole Dia:16mm; Lens Color:Red
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