전자부품 반도체 검색엔진( 무료 PDF 다운로드 ) - 데이터시트뱅크
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RT9519BGQW 데이터 시트보기 (PDF) - Richtek Technology
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RT9519BGQW
Linear Single Cell Li-lon Battery Charger with Auto Power Path Management
Richtek Technology
RT9519BGQW Datasheet PDF : 18 Pages
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RT9519B
Typical Application Circuit
Adapter
To System Load
Power Good Indicator
Charge Indicator
TS_FAULT Indicator
Chip Enable
C
SYS
C
IN
2.2µF
RT9519B
1
VIN
VP
12
17, 18, 19
SYS
TS
6
R4 R3 R2
TIMER
7
2
PGOOD
3
CHG
16
TS_FAULT BAT
8, 9
10
EN
External Power Source
2.95V to 3.6V
C
VP
R1
C
TIMER
1µF
NTC
C
BAT
+
1µF
1-Cell
Li+
Suspend
Normal
Suspend Mode
1.5A
See ISETU
VIN Current Limit
4.2V
4.05V
500mA
100mA
VIN Current Limit
20
USUS
15
VSET
14
ISETL
13
ISETU
ISETA
5
R
ISETA
ISET
11
I
CHG
I
CHG
/2
GND
4, 21 (Exposed Pad)
Function Block Diagram
VIN
ISETA
ISET
VSET
ISETL
USUS
EN
ISETU
Control
Circuit
Sleep
Mode
Current
Setting
CC/CV/TR
/APPM
Multi Loop
Controller
Thermal
Circuit
R
200k
200k
200k
200k
200k
200k
Timer
Temperature
Sense
Logic Control
OVP
UVLO
1sec
Delay
SYS
BAT
VP
TIMER
TS
CHG
TS_FAULT
PGOOD
GND
www.richtek.com
2
DS9519B-01 April 2011
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