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MLX81150 Datasheet, PDF (18/23 Pages) Melexis Microelectronic Systems – LIN-Slave for relay and DC motor control
MLX81150
LIN-Slave for relay and DC motor control
Via a 2-stage measurement, first at pin AD1 to check the VBAT and second at pin KEY7, it is possible to
check also the status of so called ‘Matrix Switches’
VBAT
VS
RTG
VDDA
VDDD
GNDCAP
Rprot = 47kW
Rprot = 47kW
AD1
KEY7
SW1
SW2
SW3
Figure 11 – Principle application diagram with matrix switch detection via KEY7 and AD1
MLX81150 – Product abstract
Page 18 of 23
TFR / 02.08.2013
Rev 015