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LB1877V Datasheet(PDF) 3 Page - Sanyo Semicon Device

Part No. LB1877V
Description  Brushless Motor Driver with Speed Control for Portable Cassette Recorders
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Maker  SANYO [Sanyo Semicon Device]
Homepage  http://www.ssdc-jp.com/eng/
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LB1877V
No. 6200-3/7
Pin Description
Pin number Pin name
Function
20
UOUT
U-phase output
1
VOUT
V-phase output
2
WOUT
W-phase output
6
UB
U-phase base of 3-phase differential
5
VB
V-phase base of 3-phase differential
4
WB
W-phase base of 3-phase differential
18
VCC
Power supply
7
OSC
Startup oscillator pin
8
COM
Output waveform detection comparator voltage
3
P – GND
Output transistor and predriver ground
9
GND
Ground pin
11
S/S
Start/stop pin
19
DR
Forward/reverse pin
12
VREF
Reference voltage 0.9V
14
VSP
Output waveform peak detection pin
13
IN+
Error amp non-inverted pin
15
OUT
Error amp output pin
10
RI
Current feedback resistor connection pin
16
FC
Frequency response adjustment pin
17
LB
Motor start lockup prevention. Connect to GND via capacitor
Pin Assignment
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
VSP
VREF
IN+
RI
COM
OSC
S/S
GND
UB
OUT
FC
LB
VCC
DR
UOUT
VB
WB
WOUT
VOUT
PGND
9
10
12
11
LB1877V
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