MC35XS3500DHFK データシートの表示（PDF） - Freescale Semiconductor

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MC35XS3500DHFK

Smart Rear Corner Light Switch (Penta 35 mOhm)

Freescale Semiconductor 

PIN CONNECTIONS

Table 2. 35XS3500 Pin Definitions (continued)

Functional descriptions these pins can be found in the Functional Description section beginning on page 22.

Pin

Pin Name Pin Function Formal Name

Definition

9

SCLK

Input

SPI Clock Input

This input pin is connected to the master microcontroller providing the

required bit shift clock for SPI communication. This pin has a passive

internal pull-down resistance.

10

SI

Input

Master-Out Slave-In This data input is sampled on the positive edge of the SCLK. This pin has

a passive internal pull-down resistance.

11

VCC

Input

Logic Supply

SPI Logic power supply.

12

SO

13

FETOUT

14, 17, 23

GND

Output

Output

Ground

Master-In Slave-Out

External FET Gate

Ground

SPI data sent to the MCU by this pin. This data output changes on the

negative edge of SCLK, and when CS is high. This pin is high-impedance.

This pin controls an external SMART MOSFET by logic level. This output

called OUT6.

If OUT6 is not used in the application, this output pin is set to logic high

when the current sense output becomes valid when CSNS sync SPI bit is

set to logic [1].

This pin is the ground for the logic and analog circuitry of the device.(1)

15

VBAT

Input

Battery Input

Power supply pin.

16

CP

Output

Charge Pump

This pin is the connection for an external tank capacitor (for internal use

only).

18

OUT5

Output

19

OUT4

Output

20

OUT3

Output

21

OUT2

Output

22

OUT1

Output

Output 5

Output 4

Output 3

Output 2

Output 1

Protected 35 m high side power output to the load.

24

CSNS

Output Current Sense Output This pin is used to output a current proportional to OUT1:OUT5, FETin

current, and it is used externally to generate a ground-referenced voltage

for the microcontroller to monitor output current. Moreover, this pin can

report a voltage proportional to the temperature on the GND flag.

OUT1:OUT5, FETin current sensing and Temperature feedback choice is

SPI programmable.

Notes

1. The pins 14, 17, and 23 must be shorted on the board.

Analog Integrated Circuit Device Data

Freescale Semiconductor

35XS3500

5

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