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參數(shù)資料
| 型號： | LB1825 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Three-Phase Brushless Motor Driver |
| 中文描述： | 三相無刷電機驅動器 |
| 文件頁數(shù)： | 4/9頁 |
| 文件大?。?/td> | 140K |
| 代理商： | LB1825 |
Pin Assignment
Pin Functions
Clock Divisor Switching
Note:
I
. Total divisor = (divisor (1)
×
divisor (2))
PLL servo frequency = (crystal oscillator frequency)/(total divisor)
II
. External clock mode
The PLL servo frequency = external input frequency
No. 4845-4/9
LB1825
Pin No.
Symbol
Function
Notes
1
FC
Frequency characteristics correction
A capacitor must be inserted between pin 1 and ground.
2 to 7
IN1
+
to IN3
+
,
IN1
–
to IN3
–
Hall element inputs
Taken as high when IN
+
> IN
–
, and as low otherwise.
8 to 10
OUT1 to OUT3
Outputs
11
R
f
Output current detector
A capacitor must be inserted between pin 11 and ground.
12
V
REG
Stabilized power supply output
13
LD
Phase lock detector output
On when the phase is locked. This pin is an open-collector
output.
14
V
CC
Power supply
15
ERR
OUT
ERR
IN
PD
Error amplifier output
16
Error amplifier input
17
Phase comparator output
18
V
CS
GND
Current limiter reference voltage generation
19
Ground
20
FG
IN
FG
OUT
1
FG
OUT
2
S/B
FG amplifier input
Also functions as the Hall FG switching pin.
21
FG amplifier output
The LB1825 goes to stop mode when pin 21 is set low.
22
FG/Hall FG output
This pin is an open-collector output.
23
Brake command input
Braking is applied when pin 23 is set high.
24 to 26
N1 to N3
Reference frequency divisor switching
The clock divisor is set by the states of pins 24 to 26.
27
OSC
Crystal oscillator/external clock input
28
F/R
Forward/reverse switching
Pin N1
Pin N2
Divisor (1)
*I
L
L
*II
L
M
128
L
H
256
M
L
512
M
M
1024
M
H
2048
H
L
4096
H
M
8192
H
H
16384
Pin N3
Divisor (2)
*I
L
5
M
4
H
3
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相關代理商/技術參數(shù) |
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|---|---|
| LB1830 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Low-Saturation Bidirectional Motor Driver for Low-Voltage Applications |
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| LB1830M_11 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Low-Voltage, Low-Saturation Bidirectional Motor Driver |
| LB1830MC | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Bidirectional Motor Driver |
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