User's Manual

LE940B6 Hardware User Guide
1VV0301331 Rev. 1.8 - 2017-03-15
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9.5. Using the Temperature Monitor Function
The Temperature Monitor supports temperature monitoring by giving periodic temperature
indications, to execute some function at extreme state. If properly set (see the #TEMPMON
command in the Ref 1: LE940B6 AT Command Reference Guide), it raises a GPIO to High Logic
level when the maximum temperature is reached.
9.6. Fuel Gauge (TBD)
The LE940B6 module can optionally support an external Fuel Gauge solution.
In this case, an external IC that is capable of measuring the current flow in and out of the module
must be added on the carrier board.
Figure 21 shows an example of a typical connectivity of such an external fuel gauge to the
LE940B6 module.
Detailed design - TBD
Figure 21: Fuel Gauge Connectivity Example
9.7. eFuse
The LE940B6 needs 1.8 +/- 0.05V applied on pad VPP(H17) for eFuses being programmed.
The fuse voltage should be applied to VPP(H17) prior to the fuse script being started, and should
be removed after the fuse operation has been completed.
Warning:
Fuse voltage must never be supplied when the module is not powered up.