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參數(shù)資料
| 型號： | E-L8150TR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 運動控制電子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, PDSO28 |
| 封裝： | LEAD FREE, SOP-28 |
| 文件頁數(shù)： | 5/37頁 |
| 文件大?。?/td> | 753K |
| 代理商： | E-L8150TR |
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Obsolete
Product(s)
- Obsolete
Product(s)
L8150
General description
4
General description
4.1
Drive stage
Voltage-controlled PWM drive.
Smooth drive architecture (see following dedicated paragraph).
External sense resistor as current limiter.
FR terminal: Low = Forward, High or Open = Backward.
4.2
Output
U, V, W upper and lower arm power transistors control output (6 outputs)
CMOS level (Low: 0V, High: 5V, need output buffer)
dead time (0, 1usec, 1.5usec selectable).
4.3
I/O
FG output: multiplexed by Hall signal (open drain)
(Hall signal after digital filter are used)
Forward/backward control
FAULT output: monitor signal for protection operation (low active, open drain), active if one
of over voltage, lower voltage, thermal protection, Hall sensor fail protection is operative
Torque optimizer: controlled by analog input
DM output is the monitor signal of Hall input sequence:
–
IF UVW hall signal sequence is as the direction set by FR, DM=H
–
IF UVW hall signal sequence is opposite for the direction set by FR, DM=L
–
Reset or some case in which UVW sequence can not be monitored, DM=H (Hall
signals after digital filter are used for this control).
4.4
Hall Sensor Input Terminals
There are 2 types of application, Hall device and Hall IC
Hall Device application: differential inputs with some bias
Hall IC application: one input is fixed around VREG/2 by resistor divider between VREG and
GND the other input comes from Hall IC whose span is between 0 and 5V.
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