USER GUIDE
Ɩ
EM8500 SERIES
Copyright
2016, EM Microelectronic-Marin SA
EMDVK8500-MN01, Version 2.0, 5-Jul-16
24
420005-A01, 3.0
CN104 - LTS_CURRMEAS
LTS current sense
connector
CN101 - HRV_EXT
External HRV
connector
J101 - USB_PWR
place jumper to enable
USB power
J105 - LTS_CAP
Place jumper to
connect the
supercap as
LTS storage element
J102 - LTS_DISCONN
LTS disconnector
(see external current
sensing schematic)
CN106 - LTS_EXT
External LTS
connector
J106 - LTS_BAT
Place jumper to
connect the
rechargeable battery as
LTS storage element
CN105 - STS_CURRMEAS
STS current sense
connector
CN102 - HRV_CURRMEAS
HRV current sense
connector
J103 - STS_DISCONN
STS disconnector
(see external current
sensing schematic)
CN103 - L1_CURRMEAS
DC/DC inductor current
sense connector
J104 & J107 - APP_CON
Application Board
connectors
CN107 - STS_EXT
External STS
connector
C112 - STS_CAP
Additional STS
capacitor footprint
Figure 8-3: Daughter board description
8.2
INTERNAL MEASUREMENT: A/D ACQUISITION UNIT
Seven ADC single-ended channels are used for daughter board nodes voltage measurements. The nodes are
shown on the
Figure 8-1: Daughter board simplified
as “A/D XXXX”. They concern the Harvester (A/D HRV), the
Long-Term-Storage (A/D LTS), the Short-term-Storage (A/D STS) the VSUP (A/D VSUP) and the three VAUX (A/D
VAUX0, VAUX1 and VAUX2).
8.3
EXTERNAL MEASUREMENT BY SHUNT RESISTORS
Beside the on-board voltage profiling and monitoring capabilities offered by the EMDVK8500, some shunt resistors
and connector test points are available in different places to allow voltage, current and power analysis with external
lab equipment (oscilloscope or power analyser).
SHUNT RESISTOR
TEST POINT
DOMAIN
NAME
VALUE
DESCRIPTION
CN102
HRV
R101
0.2 ohm
HRV DC shunt
CN103
HRV
R106
0.2 ohm
HRV AC shunt
CN104
LTS
R108
2 ohm
LTS shunt
-
LTS
R111
2 ohm
LTS shunt – Reserved
CN105
STS
R109
2 ohm
STS shunt
Table 8-1 Shunt resistors description
