Datasheet

29

Rev. 1.0, 2008-02-28

SPI Driver for Enhanced Relay Control

SPIDER - TLE7233G

Application Information

10

Application Information

Note: The following information is given as a hint for the implementation of the device only and shall not be

regarded as a description or warranty of a certain functionality, condition or quality of the device.

Figure 15 shows a simplified application circuit.

V

the digital pins are for reverse polarity protection.

Figure 15

Application Diagram

Note: This is a very simplified example of an application circuit. The function must be verified in the real application.

C1,C2,C3 are recommended to be 4.7nF and all Resistors can be 1kOhm.

For further information you may contact http://www.infineon.com/

Application_GS.emf

SO

SCLK

SI

CS

GND

OUT0

OUT1

OUT2

OUT3

LHI

VDD

RST

VDDA

IN1

IN3

IN2

IN0

Vbb

Vdda

SPI uC

Discrete

Limp

home

or PWM

signal

circuit

Watch

dog

Vdd

C1

C2

C3

R10

R2

R3

R5

R6

R7

R8

R4

R1

R9

Loads