LB1877M 查看數據表（PDF） - SANYO -> Panasonic

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LB1877M

Brushless Motor Driver with Speed Control for Portable Cassette Recorders

SANYO -> Panasonic 

LB1877M

Pin Function

Pin number Pin name

20

UOUT

1

VOUT

2

WOUT

6

UB

5

VB

4

WB

18

VCC

7

OSC

8

COM

3

P – GND

9

GND

11

S/S

19

DR

12

VREF

14

VSP

13

IN+

15

OUT

10

RI

16

FC

17

LB

Function

U-phase output

V-phase output

W-phase output

U-phase base of 3-phase differential

V-phase base of 3-phase differential

W-phase base of 3-phase differential

Power supply

Startup oscillator pin

Output waveform detection comparator voltage

Output transistor and predriver ground

Ground pin

Start/stop pin

Forward/reverse pin

Reference voltage 0.9V

Output waveform peak detection pin

Error amp non-inverted pin

Error amp output pin

Current feedback resistor connection pin

Frequency response adjustment pin

Motor start lockup prevention. Connect to GND via capacitor

Pin Assignment

VOUT 1

WOUT 2

PGND 3

WB 4

VB 5

UB 6

OSC 7

COM 8

GND 9

RI 10

LB1877M

20 UOUT

19 DR

18 VCC

17 LB

16 FC

15 OUT

14 VSP

13 IN+

12 VREF

11 S/S

Top view

No. 6199-3/7

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