MC34920EI 데이터 시트보기 (PDF) - Freescale Semiconductor

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MC34920EI

2.8 Ω (Typ) Quad H-Bridge Motor Driver

Freescale Semiconductor 

PIN CONNECTIONS

Table 1. 34920 Pin Definitions (continued)

Pin Number Pin Name

Formal Name

Definition

21

DR1B1

Driver 1, Bridge 1, Output B Motor driver output.

22

DR1PWM

Driver 1 PWM Input

PWM input for Driver 1. Used only when DR1_MODE pin = 0.

24

DR2PWM

Driver 2 PWM Input

PWM input for Driver 2. Used only when DR2_MODE pin = 0.

25

DR1B2

Driver 1, Bridge 2, Output B Motor driver output.

26

DR1SENSE2 Driver 1, Bridge 2, I Sense Current sense for current mode.

27

DR1A2

Driver 1, Bridge 2, Output A Motor driver output.

32

DR2B2

Driver 2, Bridge 2, Output B Motor driver output.

33

DR2SENSE2 Driver 2, Bridge 2, I Sense Current sense for current mode.

34

DR2A2

Driver 2, Bridge 2, Output A Motor driver output.

36

V2_SWITCH Internal MOSFET Source for V2 Switching output for V2 regulator.

Regulator

37

DR2_MODE

Mode Select for Driver 2

Selects operational mode of Driver 2. Step = 1 / DC = 0.

38

V2_FB

V2 Regulator Feedback Input Switch output for V2 regulator.

41

SDI

Serial Port Data Input

Serial input register serial data input.

42

SCLK

Serial Data Port Clock

Serial input register clock.

43

CS

Serial Data Port Chip Select Serial input register chip select input. Active low.

44

AGND

Analog Ground

Ground connection for analog circuitry.

34920

4

Analog Integrated Circuit Device Data

Freescale Semiconductor

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