- 您现在的位置：买卖IC网 > PDF目录95591 > LB1877V BRUSHLESS DC MOTOR CONTROLLER, 0.5 A, PDSO20 PDF资料下载
参数资料
| 型号： | LB1877V |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 0.5 A, PDSO20 |
| 封装： | SSOP-20 |
| 文件页数： | 5/7页 |
| 文件大小： | 71K |
| 代理商： | LB1877V |
LB1877V
No. 6200-5/7
Pin number
18
9
12
7
8
14
13
15
10
Pin Description
Unit (Resistance:
, capacitance: F)
Pin name
VCC
GND
VREF
OSC
COM
VSP
IN+
OUT
RI
Pin voltage
1.8V to 5.0V
0.7V to 0.9V
1V to Vcc
1.3V to Vcc
0.1V to
Vcc – 0.7V
Equivalent circuit
Pin function
Power supply for all circuits
Ground for all circuits except
FC and power block.
Internal reference voltage.
Connected as speed control
voltage to IN+ pin via external
resistor.
Startup oscillator pin.
Adjusts self-excitation
frequency via external
capacitor.
Determines threshold voltage
of waveform detection circuit.
Connected to Vcc via an
external resistor.
Varies the startup threshold
voltage.
Peak detection circuit output
pin.
Error amplifier non-inverted
pin.
Controls rotation speed via
input pin voltage.
Error amplifier output pin.
Connect external resistor
between Vsp pins for
feedback.
Current feedback output pin.
Connect external resistor
between this pin and ground
for current feedback
adjustment.
Continued on next page
12
50k
200
7
To WOUT
To VOUT
To UOUT
To comparator input
20k
1k
20k
10k
8
Drive
current
I
Current
feedback
circuit
10k
200
10k 10k
10k
To U,V,WOUT
200
5k
14
10
15
13
相关PDF资料 |
PDF描述 |
|---|---|
| LB1882V | BRUSHLESS DC MOTOR CONTROLLER, 1 A, PDSO24 |
| LB1890M | DISK DRIVE MOTOR CONTROLLER, 1 A, PDSO36 |
| LB1894M | DISK DRIVE MOTOR CONTROLLER, 1.5 A, PDSO30 |
| LB1896 | DISK DRIVE MOTOR CONTROLLER, 1.2 A, PQFP34 |
| LB1910 | DISK DRIVE MOTOR CONTROLLER, 1 A, PDSO28 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LB187-N | 制造商:Alpha 3 Manufacturing 功能描述: |
| LB1881M | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:Three-Phase Brushless Motor Driver IC |
| LB1881V | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:Three-Phase Brushless Motor Driver |
| LB1882V | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:Three-Phase Brushless Motor Driver |
| LB1885M | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:Three-Phase Bipolar Brushless/Sensorless Motor Driver |
发布紧急采购，3分钟左右您将得到回复。