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參數(shù)資料
| 型號： | LB1922 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Three-Phase Brushless Motor Driver for Office Automation Applications |
| 中文描述： | 三相無刷電機(jī)的辦公自動(dòng)化應(yīng)用程序 |
| 文件頁數(shù)： | 4/10頁 |
| 文件大?。?/td> | 123K |
| 代理商： | LB1922 |
No. 5679-4/10
LB1922
Pin Functions
Pin No.
Pin
Function
1
5 V
5-V power supply.
2
7 V
7-V power supply
3
V
CC
FG
IN+
FG
IN–
FG
OUT
CR
Power supply for all blocks other than the output block
4
FG pulse input (4-V power supply pin)
5
FG pulse input
6
FG amplifier output
7
PWM oscillator frequency setting
8
OUT1
Output 1
9
OUT2
Output 2
10
OUT3
Output 3
11
GND2
Ground for the output block
12
F/R
Forward/reverse control
Forward: low, reverse: high
13
S/S
Start/stop control
Start: low, stop: high
14
V
M
Output block power supply. This pin is also used for output current detection. The output current is converted to a
voltage and detected by inserting a resistor (Rf) between this pin and V
CC
.
Hall input for OUT1
20, 19
IN1
+
, IN1
–
18, 17
IN2
+
, IN2
–
Hall input for OUT2
16, 15
IN3
+
, IN3
–
Hall input for OUT3
21
X’tal
Crystal oscillator. Connect a crystal oscillator to this pin.
22
GND1
Ground for all circuits other than the output block.
23
LD
Lock detection
Outputs a low level when the motor speed is within the lock range, i.e. within ±6.25% of the set speed.
24
D
OUT
Speed discriminator output
Outputs a high level on overspeed.
25
INT
IN
INT
OUT
P
OUT
FGS
OUT
Integrator input
26
Integrator output (speed control pin)
27
PLL output
28
FG amplifier output (After the Schmitt circuit)
The following formula gives the relationship between the crystal oscillator frequency (f
OSC
) and the FG frequency f
FC
.
f
FC
(servo)= f
OSC
/(ECL divided by 16 times the number of counts)
= f
OSC
/8192
External Crystal Oscillator Circuit
External Constants
(Provided for reference only.)
However, a crystal with a ratio between the impedance at the crystal
fundamental frequency fo and the impedance at the third harmonic
frequency (3fo) of at least 1:5 must be used.
Xtal (MHz)
C1 (pF)
C2 (pF)
R (k
)
0.82
3 to 4
39
82
4 to 5
39
82
1.0
5 to 7
39
47
1.5
7 to 10
39
27
2.0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LB1923M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Power Brushless Motor Pre-Driver IC for OA Equipment |
| LB1923M-MPB-E | 制造商:ON Semiconductor 功能描述:3PHASE MOTOR PRE-DRIVER - Trays |
| LB1923M-TLM-E | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| LB1924 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Power Brushless Motor Driver IC for Office Automation Equipment |
| LB1927 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:For Office Automation Equipment 3-phase Brushless Motor Driver |
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