2
Rev. 0
HARDWARE SETUP
Wiring J3 Connector
The DC2515A demo circuit (board) connector pinout is
critical; correct wiring must be followed to avoid the risk
of damaging the demo board.
When connected to a battery stack, power for the DC2515
is provided by the cell group being monitored. To connect
the cell group, separate the screw-terminal block section
from the J3 connector. Then, insert the cell-voltage con-
nections or resistors into the screw-terminal clamping
contacts. These connections provide the power and input
stimulus for the battery stack monitor IC.
Cell-voltages are wired to J3 starting from position 4
(most negative potential of the group). Please refer-
ence the appropriate demo board J3 connector pinout
in Table 1.
Alternatively, resistors can be used to simulate battery
cell-voltages. 100Ω 0.5W or equivalent resistors are rec-
ommended because 100Ω (or lower values) typically will
not induce measurement errors and the 0.5W (or greater
rating) will keep the resistor temperatures low preventing
power dissipation damage.
DC2515A 6 Resistor Connection
Carefully connect six 100Ω resistors onto the screw-
terminal block between each C
PIN
input clamping con-
tact from position 4 to position 10 as shown in Table 1,
DC2515A J3 Pinout and Figure 1, Resistor Divider String.
Provide a stack-equivalent power supply connection to
position 10 (positive) and position 4 (negative). The
power supply may be adjusted to provide the desired
nominal cell-voltage (ex. 19.8V will be 3.3V per cell).
Table 1. J3 Pinout
J3 Pin
C
PIN
Input
1
NC
2
NC
3
V
–
4
C0/V
–
5
C1
6
C2
7
C3
8
C4
9
C5
10
C6
11
NC
12
NC
13
NC
14
NC
15
NC
16
NC
Figure 1.
100Ω
DC2026 F01
Resistor Divider String