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RT5002 Datasheet(PDF) 32 Page - Richtek Technology Corporation

Part # RT5002
Description  7 1 Channel DC/DC PMU with Li-Ion Battery Charger for DSC
PDF  40 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT5002 Datasheet(HTML) 32 Page - Richtek Technology Corporation

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RT5002
32
DS5002-00
November 2011
www.richtek.com
Figure 3
APPM Profile
1.5A Mode :
1A
0
-1A
2A
3A
-2A
-3A
5V
4.4V
4.2V
4.0V
IBAT
ISYS
IVIN
T1
T2
T3
T4
T5
T6
T7
VBAT
VIN
VSYS
VAPPM
ISYS
VSYS
IVIN
IBAT
T1, T7
0
SYS Regulation Voltage
CHG_MAX
CHG_MAX
T2, T6
< IVIN_OC
− CHG_MAX
SYS Regulation Voltage
ISYS + CHG_MAX
CHG_MAX
T3, T5
> IVIN_OC
− CHG_MAX
< IVIN_OC
Auto Charge Voltage Threshold
VIN_OC
VIN_OC − ISYS
T4
> IVIN_OC
VBAT − IBAT x RDS(ON)
VIN_OC
ISYS − IVIN_OC
4.16 to 4.2 to 4.23V
−40°C to 85°C
Battery Voltage
Charging Current
VPRECH
VRECH
ITERM2
If ISETL = 0, ISETU = 0
ITERMI = 3.3% x ICHG_FAST
If
ISETL = 1, ISETU = 1
ISETL = 0, ISETU = X
ITERMI = 10% x ICHG_FAST
Time
ICHG_PRE = 10% x ICHG_FAST



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