L292 데이터 시트보기 (PDF) - STMicroelectronics

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L292

SWITCH-MODE DRIVER FOR DC MOTORS

STMicroelectronics 

L292

APPLICATION INFORMATION

This section has been added in order to help the designer for the best choise of the values of external

components.

Figure 5. L292 Block Diagram.

The schematic diagram used for the Laplace analysis of the system is shown in fig. 6.

Figure 6.

RS1 = RS2 = RS (sensing resistors)

--1---- = 2.5 · 10-3 W (current sensing amplifier transconductance)

R4

LM = Motor inductance, RM = Motor resistance, IM = Motor current

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