Renesas DA9318 User Manual page 35

UM-PM-022
DA9318 Direct Charging Reference Board
Example #2: 3.7 V 3600 mAH/13.86 Wh Mobile Phone Battery
Figure 37 shows the automatic charge cycle of a 3.7 V 3600 mAH/13.86 Wh mobile phone battery.
Figure 37: Automatic Charge Cycle – Profile Plot – 3600 mAh Battery
The test conditions are shown here below:
•
Main CC = 1.024 A
•
Main CV = 4.400 V
•
Target Battery Current = 4.500 A
•
VBat Main to Direct Charger handover thresholds (volts) = 3.3 V
•
IBat Direct to Main Charger handover threshold (amps) = 0.9 A
•
Battery step down current step (mA) = 100 mA
•
Direct Charger VBat Warning Threshold (volts) = 4.351339286 V
NOTE
In Auto Mode the Target Battery Current for the 3600 mAh battery can be set to 5.000 A maximum.
User Manual
CFR0012
Revision 3.2
35 of 39
16-Feb-2022
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