參數(shù)資料
型號(hào): LB11921T
廠商: Sanyo Electric Co.,Ltd.
英文描述: Monolithic Digital IC Three-Phase Brushless Motor Driver
中文描述: 單片數(shù)字集成電路三相無(wú)刷電機(jī)驅(qū)動(dòng)器
文件頁(yè)數(shù): 11/18頁(yè)
文件大?。?/td> 190K
代理商: LB11921T
LB11921T
No.A0604-11/18
Continued from preceding page.
Pin No.
Symbol
Pin Description
Equivalent Circuit
21
RF GND
Output current detection reference
Connect to GND of the external resistor Rf.
Output current detection
Connect a low resistance resistor Rf between this
pin and Rf GMD pin.
This resistor sets the maximum output current
IOUT to be 0.26/Rf.
GND pin
22
RF
23
GND
24
25
26
27
28
29
UL
UH
VL
VH
WL
WH
Outputs (that are used to drive external
transistors).
Duty cycle is controlled on the UH, VH, and WH
side of these output.
Power supply
Connect a capacitor between this pin and ground
for stabilization.
Hall-effect device inputs.
The input is seen as a high-level input when IN+
> IN-, and as a low-level input for the opposite
state.
If noise on the Hall-effect device signals is a
problem, insert capacitors between the
corresponding IN+ and IN- inputs.
30
VCC
31
32
33
34
35
36
IN3
-
IN3
+
IN2
-
IN2
+
IN1
-
IN1
+
VCC
21
VCC
22
VCC
24
26
28
25
27
29
5
VCC
31 33 35
32 34 36
500
500
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