RT9519A RICHTEK [Richtek Technology Corporation], RT9519A Datasheet - Page 5

• Manufacturer Part Number: RT9519A
• Description: Linear Single Cell Li-lon Battery Charger with Auto Power Path Management
• Manufacturer: RICHTEK [Richtek Technology Corporation]

DS9519A-02 April 2011
DPM Regulation Voltage
VIN to VSYS MOSFET Ron
BAT to VSYS MOSFET Ron
Re-Charge Threshold
Current Regulation
ISETA Set Voltage (Fast Charge
Phase)
Charge Current Setting Range
Charge Current Accuracy1
Charge Current Accuracy2
VIN Current Limit
Pre-charge
BAT Pre-Charge Threshold
BAT Pre-Charge Threshold Hysteresis Δ
Pre-Charge Current
Charge Termination Detection
Termination Current Ratio to Fast
Charge (Except USB 100 Mode)
Termination Current Ratio to Fast
Charge (USB100 Mode)
Login Input/Output
CHG Pull Down Voltage
PGOOD Pull Down Voltage
EN, ISETL, USUS,
ISETU, VSET, ISET
Threshold Voltage
Protection
Thermal Regulation
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
Over Voltage Protection
Over Voltage Protection Hysteresis
Output Short Circuit Detection
Threshold
Time
Pre-Charge Fault Time
Fast charge Fault Time
Parameter
Logic-High
Logic-Low
V
R
ΔV
V
I
I
I
I
V
I
I
I
V
V
V
V
T
T
ΔT
V
ΔV
V
t
t
R
CHG
CHG1
CHG2
VIN
CHG_PRE
TERM
TERM2
PCHG
FCHG
Symbol
VPRECH
REG
SD
DPM
ISETA
PRECH
CHG
PGOOD
IH
IL
OVP
SHORT
DS(ON)
DS(ON)
SD
REGCHG
OVP
ISETL = H
I
V
Battery Regulation − Recharge
level
V
V
ISET = H
V
ISET = L
ISETL = L (1.5A Mode)
ISETL = H, ISETU = H
(500mA mode)
ISETL = H, ISETU = L
(100mA Mode)
BAT Falling
V
ISETL = H, ISETU = H
ISETL = L, ISETU = X
ISETL = H, ISETU = L
I
I
V
V
V
C
C
VIN
CHG
PGOOD
BAT
BAT
BAT
BAT
BAT
IN
IN
BAT
TIMER
TIMER
= 7V to 5V, V
Rising
= 1000mA
= 5mA
= 2V
= 4.2V, I
= 4V, R
= 4V, R
= 3.8V, R
− V
Test Conditions
= 1μF (1/8 x t
= 1μF
= 5mA
SYS
ISETA
ISETA
SYS
ISETA
OVP
= 1A
= 1kΩ
= 1kΩ
= 1kΩ
FCHG
− ΔV
OVP
)
11520 14400 17280
1440
6.25
Min
100
570
285
450
1.2
2.7
1.5
90
4.3
60
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5
5
1800
0.05
Typ
600
300
475
200
200
200
125
155
100
300
100
RT9519A
4.4
1.5
2.8
3.3
6.5
0.2
95
10
10
20
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2
To be continued
www.richtek.com
2160
1200
Max
6.75
0.35
630
315
500
100
140
4.5
1.8
2.9
0.4
0.1
15
15
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Unit
mA
mA
mA
mA
mA
mV
mV
mV
mV
mV
mV
°C
°C
°C
%
%
%
V
V
A
V
V
V
Ω
Ω
s
s
5