mlx90615 Melexis Company, mlx90615 Datasheet - Page 15

• Manufacturer Part Number: mlx90615
• Description: Infra Red Thermometer
• Manufacturer: Melexis Company

SCL needs to be high during Sleep. SDA can idle in each state at the same time, but the high state is
recommended as the pull-up does not add current drain. There are weak pull-ups on both SCL and SDA pins.
8.5.1 PWM is enabled
The diagram below illustrates how to switch to SMBus if PWM is enabled. Note that the SCL pin needs to be
kept high in order to use the PWM function. The SCL pin has on-chip a weak pull-up.
3901090615
Rev 001
8.5 Switching between PWM and SMBus
SDA/PWM
SCL
Figure 12: Switching from PWM mode to SMBus
PWM
t
Figure 11: Detailed Sleep command
REQ
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Infra Red Thermometer
SMBus
MLX90615
Data Sheet
28/Aug/2008
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