LB1978 데이터 시트보기 (PDF) - SANYO -> Panasonic
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LB1978 Datasheet PDF : 9 Pages
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Continued from preceding page
Pin number Pin name
11
BR2
LB1978V
Equivalent circuit
Vcc
11
12
TC1
13
TC2
14
P1
15
P2
16
P3
17
SGND
18
DU
19
U2
20
V2
21
W2
SGND
Vcc
12
13
SGND
Vcc
14
15
16
SGND
Vcc
19
20
21
18
Pin function
Brake drive pin.
When S/S pin is Low and BR1 pin is 0.9V
or higher, brake drive is activated.
This is an open-collector output.
Motor current rise/fall slope setting pins.
Setting value changes depending on the
High or Low status of the F/S pin.
Internal operation measurement pins
which shape the current waveform.
Must be left open for use.
Signal ground pin.
Separate from power supply ground.
DU is base pin for U low-speed output
transistor.
U2, V2, and W2 are pins for connection to
low-speed motor coils.
22
PGND
22
PGND
Power supply ground.
Continued on next page
No. 6186-7/9
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