LB11920-E 데이터 시트보기 (PDF) - ON Semiconductor

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LB11920-E

Monolithic Digital IC For OA Products Three-Phase Brushless Motor Driver

ON Semiconductor 

LB11920

Pin Functions

Pin No. Pin name

Function

28

OUT1 Motor drive output pin.

VM

1

OUT2

2

OUT3

3, 26

GND2 Output GND pin.

5, 25

VM

Power pin.

6, 24

RF

Output Tr power and output current detector pins,

which connect low resistance (Rf) to VM.

The output current is limited to the current value

set with IOUT = VRF/Rf.

Equivalent circuit

300Ω

RF

5 25

6 24

1 2 28

7

HP

Hall element signal three-phase composite

output. Withstand voltage 35V max.

VCC

3 26

7

8

BR

Brake input pin.

“L” for brake and “H” or open for normal rotation.

VCC

9

PWMIN PWM pulse input pin.

L for output drive and H or open for output OFF.

VCC

10

F/R

Forward/reverse input pin.

VCC

3.5kΩ

8

3.5kΩ

9

3.5kΩ

10

Continued on next page.

No.7229-6/10

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