參數(shù)資料
型號(hào)： LV8112V
元件分類(lèi)： 運(yùn)動(dòng)控制電子
英文描述： BRUSHLESS DC MOTOR CONTROLLER, 3 A, PDSO44
封裝： 0.275 INCH, SSOP-44
文件頁(yè)數(shù)： 2/13頁(yè)
文件大?。?/td> 299K
代理商： LV8112V
LV8112V
Continued from preceding page.
Pin No.
Pin name
Function
Equivalent circuit
22
HB
Hall element bias current pin.
Goes ON when the S/S pin is in a start state.
Goes OFF when the S/S pin is in an stopped state.
22
VREG
23
24
25
26
27
28
IN1+
IN1
IN2+
IN2
IN3+
IN3
Hall amplifier input pin.
A high level state of logic is recognized when IN+ > IN.
In reverse case is a low-level state.
The input amplitude of 100mVp-p or more (differential) is
desirable in the Hall sensor inputs.
If noise on the Hall inputs is a problem, that noise must be
excluded by inserting capacitors across the inputs.
25
VREG
500
Ω
500
Ω
26
24
28
27
23
29
SUB
Frame ground pin. This pin is connected with the GND2 pin.
30
GND2
Ground pin of the output circuit block.
32
34
36
OUT3
OUT2
OUT1
Output pin.
As for PWM, Duty control is executed on the upper- side
FET.
38
RF
Source pin of output MOSFET (lower-side).
Connect a low resistance (Rf) between this pin and GND.
32
VCC
34 36
38
39
RFS
Output current detection pin.
Connect to RF pin.
39
5k
Ω
VREG
40
VCC2
Power supply pin.
Connect a capacitor between this pin and GND for
stabilization.
41
VCC1
Power supply pin for control.
42
VG
Charge pump output pin (Power supply for the upper side
FET gate).
Connect a capacitor between this pin and VCC.
43
44
CP1
CP2
Pin to connect a capacitor for charge pump.
Connect a capacitor between CP1 and CP2.
VCC
44
500
Ω
42
43
100
Ω
No.A1645-10/13
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