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LB1955 датащи(PDF) 4 Page - Sanyo Semicon Device

номер детали LB1955
подробное описание детали  Three-Phase Brushless Motor Driver
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производитель  SANYO [Sanyo Semicon Device]
домашняя страница  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LB1955 датащи(HTML) 4 Page - Sanyo Semicon Device

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No. 5452-4/7
LB1955
Pin Functions
Pin No.
Pin
Function
23, 24
UIN1, UIN2
U phase Hall element input
25, 26
VIN1, VIN2
V phase Hall element input
27, 28
WIN1, WIN2
W phase Hall element input
16
UOUT
U phase output
15
VOUT
V phase output
13
WOUT
W phase output
11
LCTR
Pin connected to the center points of the coils that are Y-connected to the U, V, and W outputs.
9
VCC
Power supply
10
VREF
Reference voltage output
8
GND
GND
14
Rf
Output current detection
1
VG
Closed loop control gain switching
2
FC
Speed control loop frequency characteristics correction
3
LIM
Output current limit setting
4
VC
Speed control
5
PG
PG waveform output
6
FG
FG waveform output (FGR shorted to GND)
7
FGR
PG/FG synthesized output (FGR shorted to PG)
18
SH
PG waveform sample-and-hold circuit capacitor connection
22
AGC
Connection for the capacitor used by the AGC circuit, which holds the input gain at a fixed level.
12, 17, 19
NC
No connection
20, 21
Recommended Special Magnetization Waveforms
Note: Note that the intersections between the special magnetization and general waveforms and the intersections between pairs of general waveforms must
be set up to be 30° apart.
Hall Input Order
Note: The Hall input order must be set up to be W
→ V → U.
B
≤ A < 7/6 × B
8/6
× D ≤ C ≤ 10/6 × D
Hall input


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