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3. TECHNICAL DESCRIPTION
3.5.2 Battery Temperature Measurement
The BDATA node, the constant current source, feed the battery data output while monitoring the voltage at
the battery data node with GPADC. This battery data is converted to the battery temperature. (Fig.3-5-5)
shows the schematic of battery temperature measurement part.
Name
Type Unused Description
BDATA Digital Input/Output Unconnected current output
Table 3-5-3 BDATA channel spec
Fig 3-5-4. Battery Temperature Measurement
Disc
22p
C337
2
C1
1
D302
KDS221E_RTK
A1_C2
3
A2
300K
R320
D1
D2
1
2
3
CN300
BDATA
SRST_N
M2
N3
SDAT
M1
SCLK
J13
FGSENSEN
J14
FGSENSEP
BDATA
A11
VA605
varistor
FGS+
FGS-
BDATA
SRST_n
SCLK
SDAT
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