USER GUIDE
Ɩ
EM8500 SERIES
Copyright
2016, EM Microelectronic-Marin SA
EMDVK8500-MN01, Version 2.0, 5-Jul-16
26
420005-A01, 3.0
8.5
CONNECTIONS FOR EXTERNAL LTS MEASUREMENTS
8.5.1
Oscilloscope measurements
EM8500
VDD_LTS
SuperCAP
Battery
LTS
User
LTS
R108
R111
U103
C
N
1
0
6
J105
J106
J102
CN104
LTS AC measure
i(t)
LTS
V(t)
LTS
V
D
C
L
T
S
V
SHLTS
IDC
LTS
LTS DC measure
Figure 8-6: LTS measurements
In the DC domain the following measures can be performed:
Ɩ
IDC
LTS =
V
SHLTS
/ R111
Ɩ
VDC
LTS
In the AC domain the following measures can be performed:
(No jumper on CN104)
Ɩ
I(t)
LTS =
V(t)
LTS
/ R108
8.5.2
Power analyzer
Dedicated lab equipment (power analyser) can also be used to measure and analyse current flow, power,
power efficiency etc. Its connections depends on the lab equipment. Refer to the equipment
manufacturer’s user manual for proper connections.
