FLIR LEPTON® Engineering Datasheet
The information contained herein does not contain technology as defined by the EAR, 15 CFR 772, is publicly available,
and therefore, not subject to EAR. NSR (6/14/2018).
Information on this page is subject to change without notice.
Lepton Engineering Datasheet, Document Number: 500-0659-00-09 Rev: 203
17
• Shutdown: In the shutdown state, all voltage forms are applied, but power consumption is
approximately 5
mW. In the shutdown state, no functions are available, but it is possible to
transition to the on state via
the start-up sequence defined in Figure 6. The shutdown sequence
shown in Figure 6 is the recommended transition back to the shutdown state. It is also possible
to transition
between shutdown and on states via software commands, as further defined in the
software IDD.
• Overtemp: The Overtemp state is automatically entered when the Lepton senses that its
temperature
has exceeded approximately 80 °C. Upon entering the Overtemp state, Lepton
enables a “shutdown
imminent” status bit in the telemetry line and starts a 10-second counter. If
the temperature of the
Lepton falls below 80 °C before the counter times out, the “shutdown
imminent” bit is cleared and the
system transitions back to the on state. If the counter does time
out, Lepton automatically transitions to
the standby state.
Power sequencing is as shown in Figure 6.
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