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SMB139 データシートの表示(PDF) - Summit Microelectronics
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SMB139
Programmable Linear Battery Charger in 1.3 x 2.1 uCSP™
Summit Microelectronics
SMB139 Datasheet PDF : 27 Pages
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SMB139
CHARGING ALGORITHM (200mA)
SMB139 Programmable Charging Algorithm
0.4
0.35
0.3
0.25
0.2
Pre-charge
Vbat<Vprechg
Iprechg (prog)
Fast-charge
Vbat<Vfloat
Ichg (prog)
Charge
termination
Iterm (prog)
0.15
0.1
0.05
Trickle charge
Vbat<2.00V
Itrickle = 3mA
Taper-charge
Vbat=Vfloat
(prog)
0
1.60 1.80 2.00 2.15 2.60 3.00 3.32 3.59 3.82 4.01 4.14 4.19 4.20 4.20
Battery Voltage (V)
Figure 3 – Charging Algorithm (200mA))
Summit Microelectronics, Inc
2121 3.0 6/19/2008
8
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