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参数资料
| 型号： | LB1951V |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 1 A, PDSO24 |
| 封装： | SSOP-24 |
| 文件页数： | 4/9页 |
| 文件大小： | 229K |
| 代理商： | LB1951V |
LB1951V
No. 5232-4/9
Pin Functions
Pin No.
Pin name
I/O equivalent circuit
Function
1VCC1
Power supply pin for supplying power to all circuits
except amplitude control block in output block in
IC.
2VCC2
Power supply pin for supplying power to all circuits
of the amplitude control block and the output
control block in IC.
3VS
Power supply pin for motor drive. Apply a voltage of
VCC2 or lower to this pin.
5UOUT
7VOUT
9WOUT
U-phase output pin
V-phase output pin
(Spark killer diode built in)
W-phase output pin
6, 8
Rf
Pins for grounding output power transistor.
10
VH+
Pins for supplying the Hall element bias voltage.
11
VH–
Voltage of 0.95 V (typ.) is generated between VH+
and VH– . (when IH = 5 mA)
12
ANGLE
Pins for controlling the Hall input-output gain. The
gain is controlled by a resistor between this pin and
GND.
16
UIN1
U-phase Hall element input pin;
17
UIN2
Logic ‘‘H’’ represents IN+ > IN–.
18
VIN1
V-phase Hall element input pin;
19
VIN2
Logic ‘‘H’’ represents IN+ > IN– .
20
WIN1
W-phase Hall element input pin;
21
WIN2
Logic ‘‘H’’ represents IN+ > IN–.
13
GND
Pin for grounding other than output transistors.
Minimum potential of output transistors is equal to
the level at Rf pin.
14
FRC
Forward/reverse select pin.
The voltage on this pin is used for forward/reverse
select. (with Hysteresis)
15
STBY
Pin for selecting the bias supply for all circuits
except the FG comparator.
‘‘L’’ level on this pin cuts the bias supply.
Continued on next page.
3
5
7
9
6
8
2
VS
UOUT
VOUT
WOUT
RF
VCC2
A12468
15
STBY
14
FRC
50K
Ω
100K
Ω
VCC1VCC1
100K
Ω
100K
Ω
A12471
1VCC1
12
4k
Ω
4k
Ω
200
Ω
200
Ω
400
Ω
200
Ω
VCC1
1.2VTYP
ANGLE
400
Ω
17
16 18 20
19
21
A12470
11
1
VH–
20k
Ω
20k
Ω
Approx.
0.9V
Approx.
1.9V
VCC1
10 VH+
A12469
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| LB1952 | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:3-Phase Brushless Motor Driver for VCR Capstans |
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