Operational Steps - Renesas DA9318 User Manual

UM-PM-022
DA9318 Direct Charging Reference Board
3
4&6
2
1
Figure 30: GUI Configuration – Manual Charge Operation
7.3.1.1

Operational Steps

The following operational steps assume that a battery is inserted initially and then the TA is inserted
to J1. In addition, J60 must be connected to the USB port of a computer for I
the DA9318 Reference Board
NOTE
The battery voltage should be set to 3.1 V to allow for a 4 A initial target charge current when direct charging is
enabled.
The button or status indicator locations for each operational step are highlighted in
1. Click the Read All button, to read all registers to their current states.
2. Click the No Events button, to clear any events.
3. Click the Main Charger button. The Constant-Current status indicator flags green, signaling that
the main charger is enabled.
4. Enable the Direct Charger switch (the Main Charger button auto disables). Direct charging is
enabled via DA9318 and the Constant- Current and Direct Charging status indicators flag
green.
NOTE
The direct charger current can then be increased up to 6 A by first increasing the TA CC Setting to no more
than 3 A; and then by increasing the TA V Setting until the targeted direct charger current is reached and the
TA operates in current limit.
5. When the Constant-Voltage status indicator flag is green, step down the TA CC Setting by
100 mA steps (or greater initially) until the minimum value is reached (400 mA). Note that for
each step the Constant-Voltage status indicator will alternately flag red and green as the battery
charges up.
User Manual
CFR0012
5
SmartCanvas GUI software.
Revision 3.2
28 of 39
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C communication using
Figure 30:
16-Feb-2022
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