L9903 데이터 시트보기 (PDF) - STMicroelectronics

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L9903

MOTOR BRIDGE CONTROLLER

STMicroelectronics 

Figure 6. I(V) characteristics of the K-Line for TX = HIGH and VVS=13.5V

IK [mA]

0.2

0.1

0.0

~50k Ω

-0.1

-0.2

-0.3

~50k Ω

-0.4

-0.5

-20

-10

0

10

20

VK [V]

Figure 7. Driving sequence

EN

D IR

PWM

GH1

braking

L9903

G L1

GH2

G L2

Note:

Before standby mode

(EN = low) a braking phase

is mandatory to discharge

the stored energy of the

motor.

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