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参数资料
| 型号： | LB11690 |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 0.04 A, PDIP30 |
| 封装： | 0.400 INCH, DIP-30 |
| 文件页数： | 16/19页 |
| 文件大小： | 201K |
| 代理商： | LB11690 |
No. 7543-6/19
LB11690, 11690H
Pin Functions *: Items in parentheses refer to the LB11690H.
Pin name
Pin No.
Pin description
GND
1 (2)
Ground
RFGND
2 (3)
Ground sensing pin. Connect the ground side of the low-resistance resistor RF connected to the RF pin to this pin.
RF
3 (4)
Output current detection pin. Connect the low-resistance resistor RF between this pin and ground. The output current will be limited
to a value determined by the equation IOUT = 0.1/RF. (Current limiter circuit)
WL
4 (5)
VL
7 (9)
Low side n-channel power FET gate drive output
UL
10 (12)
WOUT
5 (7)
VOUT
8 (10)
High side n-channel power FET source voltage detection
UOUT
11 (13)
WH
6 (8)
VH
9 (11)
High side n-channel power FET gate drive output
UH
12 (14)
IN1
13 (16)
IN2
14 (17)
Hall sensor signal inputs. Insert capacitors between these pins and ground for stabilization.
IN3
15 (18)
RES
16 (20)
Reset input. Insert a resistor between this pin and the V5 pin, and a capacitor between this pin and ground.
EI+
17 (21)
Integrating amplifier noninverting input
EI–
18 (22)
Integrating amplifier inverting input
TOC
19 (23)
PWM waveform comparison (integrating amplifier output)
PWM
20 (24)
PWM oscillator frequency setting. Insert a capacitor between this pin and ground.
FV
21 (25)
Hall sensor signal one-shot multi-pulse output
RC
22 (26)
Hall sensor signal one-shot multi-pulse amplitude setting. Insert a resistor between this pin and the V5 pin, and a capacitor between
this pin and ground.
HP
23 (27)
Hall sensor signal three-phase synthesized output (open collector output)
CP2
24 (28)
Charge pump capacitor connections. Connect a capacitor between pins CP1 and CP2.
CP1
25 (29)
LVS
26 (30)
Undervoltage protection voltage detection. To detect a voltage of 5 V or over, connect a zener diode in series to set the detection
voltage.
V5
27 (32)
5 V power supply (control circuit power supply). Insert a capacitor between this pin and ground.
V12
28 (33)
12 V power supply (UL, VL, and WL output block power supply). Insert a capacitor between this pin and ground.
VCC
29 (35)
Power supply. Insert a capacitor between this pin and ground for power supply stabilization.
VB
30 (1)
Charge pump output (UH, VH, and WH output block power supply). Insert a capacitor between this pin and VCC.
(FRAME)
—
The FRAME pin is connected to the IC lower surface metal frame. Both should be left electrically open during operation.
(6) (15)
(NC)
(19) (31)
These pins are not connected to the IC internally in the package, and thus may be used for wiring connections.
(34) (36)
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