Q2686 Wavecom, Q2686 Datasheet - Page 50

• Manufacturer Part Number: Q2686
• Description: Wireless CPU
• Manufacturer: Wavecom

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3.13.2 Li-Ion Charging Algorithm
The Li-Ion algorithm provides battery temperature monitoring, which is highly
recommended to prevent battery damage during the charging phase.
The Li-Ion charger algorithm can be broken down into three phases:
The three phases can be seen on the following waveform for full charging:
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prior written agreement.
WM_PRJ_Q2686_PTS_001-007
Step 1 switching
Step 2 switching
Step 3 switching
1. Constant charge
2. Beginning of pulse charge
3. End of pulse charge
Parameter
Electrical characteristics of Li-Ion battery timing charge
confidential ©
Figure 6: Li-Ion full-charging waveform
Closed
Closed
Closed
Open
Open
Min
0.1
Always
Typ
0.1
1
1
Q2686 Wireless CPU
Max
3
Interfaces
Unit
March 6, 2007
s
s
s
s
s
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