MLX81100
LIN Slave for FET Control
3.2 Higher VCC Loads and higher Ambient Temperatures
If it is necessary to supply higher currents to external 5V loads it is possible to connect to the RTG pin an
external load transistor. This external load transistor decreases also the internal power dissipation which
makes it possible to use this IC also for higher ambient temperatures.
V
BAT
100nF
VS
100nF
RTG
4.7...10uF
VDD5V
47uF
100n
V1V8
1uF
100n
Figure 3 - Application for higher VCC loads and higher ambient temperatures
3.3 High Side Reverse Polarity Protection
With this IC it is also possible to realise a high side reverse polarity protection for the bridge Power-FET with
a normal power N-FET.
V
BAT
CLKO
MLX81100
Figure 4 - High side N-FET reverse polarity protection
MLX81100 – Product Abstract
Page 6 of 15
July 2007
Rev 015
MELEXIS [ Melexis Microelectronic Systems ]
