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參數資料
| 型號： | LB1995 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Three-Phase Brushless Motor Driver for CD-ROM Spindle Drive |
| 中文描述： | 三相無刷電機驅動器為CD - ROM驅動器主軸 |
| 文件頁數： | 8/9頁 |
| 文件大?。?/td> | 92K |
| 代理商： | LB1995 |
LB1995
No. 5976-8/9
Pin number
Pin name
Pin voltage
Equivalent circuit
Pin function
21
2V to 3V
22
23
24
PWR GND
1
2
5
R F
19
C C
16
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.
V type control/single-side control
switching pin
CC:
High –
>
Single-side control
Low/Open –
>
V type control
Short brake pin
BRAKE:
High –
>
Short brake operation
Low/Open –
>
Motor drive operation
V
CREF
V
C
W
OUT
V
OUT
U
OUT
0V to V
CC
1
22
25
μ
A
100
μ
A
100
μ
A
25
μ
A
V
CC
1
200
10 k
15 k
30 k
30 k
200
21
A11132
5
24
V
CC
2
3.9
3.9
23
1
2
A11133
19
V
CC
1
8 k
8 k
50 k
75 k
A11134
100
μ
A
16
V
CC
1
50 k
75 k
A11135
相關PDF資料 |
PDF描述 |
|---|---|
| LB1996 | Three-Phase Brushless Motor Driver for CD-ROM Spindle Drive |
| LB1997 | Three-Phase Brushless Motor Driver for CD-ROM Spindle Drive |
| LB1998 | Three-Phase Brushless Motor Driver for CD-ROM Spindle Drive |
| LB1999 | Three-Phase Brushless Motor Driver for VCR Capstan Motors |
| LB1999M | Three-Phase Brushless Motor Driver for VCR Capstan Motors |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LB1996 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Three-Phase Brushless Motor Driver for CD-ROM Spindle Drive |
| LB1997 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Three-Phase Brushless Motor Driver for CD-ROM Spindle Drive |
| LB1998 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Three-Phase Brushless Motor Driver for CD-ROM Spindle Drive |
| 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 |
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