参数资料
型号: LB1950V
元件分类: 运动控制电子
英文描述: BRUSHLESS DC MOTOR CONTROLLER, 1 A, PDSO30
封装: SSOP-30
文件页数: 5/10页
文件大小: 300K
代理商: LB1950V
Pin Functions
No. 5340-4/10
LB1950V
Pin No.
Symbol
Pin voltage
Equivalent circuit
Function
Connection for the triangular wave generator. The coil
output waveform is made to operate in a soft switching
manner by this triangular wave.
CSLP1
CSLP2
9
10
Power supply that provides the voltages other than the
motor voltage, the source side predrive voltage, and the
coil waveform detection comparator voltage.
2.7 to 6 V
VCC1
8
Power supply that provides the source side pre-drive
voltage and the coil waveform detection comparator
voltage.
2.7 to 10 V
VCC2
7
Power supply that provides the motor voltage and
determines the output amplitude.
This voltage must be lower than VCC2.
0 V to VCC2
VS
6
Motor forward/reverse switching input
Low level: forward
(–0.2 to 0.7 V or open)
High level: reverse
(2 V to VCC1)
VCC1 max –
0.2 V min
FRC
5
Braking is applied to the motor if a voltage 2.0 V or
higher is applied to this pin.
This pin must be open or set to a voltage 0.7 V or
lower to set the LB1950V to the motor drive state.
VCC1 max –
0.2 V min
BR
4
The LB1950V is set to a mode in which only the FG
and PG amplifiers operate when this pin is open or set
to a voltage 0.7 V or lower.
This pin must be set to a voltage 2.0 V or higher in the
motor drive state.
VCC1 max –
0.2 V min
STBY
3
Continued on next page.
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