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參數(shù)資料
| 型號： | LB11995 |
| 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(qū)動器為CD - ROM驅(qū)動器主軸 |
| 文件頁數(shù)： | 9/10頁 |
| 文件大?。?/td> | 97K |
| 代理商： | LB11995 |
LB11995
No. 6112-9/10
Pin number
Pin name
Pin voltage
Equivalent circuit
Pin function
21
22
23
24
PWR GND
1
2
5
R F
19
LMC
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 NPN 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.
When this pin is connected to GND,
the limiter setting current is
increased by a factor of 1.5.
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
0V to V
CC
1
–1.5V
22
21
25
μ
A
15
μ
A
25
μ
A
15
μ
A
VCC1
51k
200
200
A12346
5
24
VCC2
3.9
3.9
23
1
2
A12347
19
15k
5k
7k
VCC1
RF
A12348
100
μ
A
16
VCC1
50k
75k
A12349
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LB11996 | Three-Phase Brushless Motor Driver for CD-ROM Spindle Motor Driver |
| LB11996H | Three-Phase Brushless Motor Driver for CD-ROM Spindle Motor Driver |
| LB11997H | Three-Phase Brushless Motor Driver for CD-ROM Spindle Drive |
| LB11999H | CONV DC-DC 24V IN 5V OUT 100W |
| LB11999 | Three-Phase Brushless Motor Drivers for CD-ROM Spindle Motor Driver (supports 44x, 48x, 50x) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LB11995H | 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 |
| LB11996 | 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 Motor Driver |
| LB11996H | 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 Motor Driver |
| LB11997H | 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 |
| LB11999 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Three-Phase Brushless Motor Drivers for CD-ROM Spindle Motor Driver (supports 44x, 48x, 50x) |
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