SPI Driver for Enhanced Relay Control

SPIDER - TLE7233EM

Application Information

Data Sheet

30

Rev. 1.2, 2014-05-09

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 4.7 nF and all Resistors can be 1 k

Ω.

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

Application _EM.emf

SO

SCLK

SI

CS

GND

OUT0

OUT1

OUT2

OUT3

LHI

VDD

RST

VDDA

IN1

IN3

IN2

IN0

V

BAT

V

DDA

SPI uC

Discrete

Limp

home

or PWM

signal

circuit

Watch

dog

V

DD

C1

C2

C3

R10

R2

R3

R5

R6

R7

R8

R4

R1

R9

Loads