RT9519BGQW 查看數據表（PDF） - Richtek Technology
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RT9519BGQW
Richtek Technology
RT9519BGQW Datasheet PDF : 18 Pages
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RT9519B
Parameter
Symbol
Test Conditions
Min
DPM Regulation Voltage
VIN to VSYS MOSFET Ron
BAT to VSYS MOSFET Ron
Re-Charge Threshold
VDPM
ISETL = L
4.3
RDS(ON) IVIN = 1000mA
--
RDS(ON) VBAT = 4.2V, ISYS = 1A
--
ΔVRE GCHG
Battery Regulation − Recharge
level
60
Current Regulation
ISETA Set Voltage (Fast Charge
Phase)
VISETA
VBAT = 4V, RISETA = 1kΩ
--
Charge Current Setting Range
Charge Current Accuracy1
Charge Current Accuracy2
ICHG
ICHG1
ICHG2
100
VBAT = 4V, RISETA = 1kΩ
ISET = H
570
VBAT = 3.8V, RISETA = 1kΩ
ISET = L
285
ISETL = H (1.5A Mode)
1.2
VIN Current Limit
ISETL = L, ISETU = H
IVIN
(500mA mode)
450
ISETL = L, ISETU = L
(100mA Mode)
90
Pre-charge
BAT Pre-Charge Threshold
VPRECH BAT Falling
2.7
BAT Pre-Charge Threshold Hysteresis ΔVPRECH
--
Pre-Charge Current
ICHG_PRE VBAT = 2V
5
Charge Termination Detection
Termination Current Ratio to Fast
Charge (Except USB 100 Mode)
ITERM
ISETL = L, ISETU = H
ISETL = H, ISETU = X
5
Termination Current Ratio to Fast
Charge (USB100 Mode)
ITERM2
ISETL = L, ISETU = L
--
Login Input/Output
CHG Pull Down Voltage
VCHG
ICHG = 5mA
--
PGOOD Pull Down Voltage
VPGOOD IPGOOD = 5mA
--
TS_FAULT Pull Down Voltage
EN, ISETL, USUS, Logic-High
ISETU, VSET, ISET
Threshold Voltage Logic-Low
Protection
Thermal Regulation
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
Over Voltage Protection
VTS_FAULT ITS_FAULT = 5mA
VIH
VIL
TREG
TSD
ΔTSD
VOVP
VIN Rising
--
1.5
--
--
--
--
6.25
Over Voltage Protection Hysteresis ΔVOVP
VIN = 7V to 5V, VOVP − ΔVOVP --
Output Short Circuit Detection
Threshold
VSHORT
VBAT − VSYS
--
Typ Max Unit
4.4 4.5 V
0.2 0.35 Ω
0.05 0.1 Ω
100 140 mV
2
-- V
-- 1200 mA
600 630 mA
300 315 mA
1.5 1.8 A
475 500 mA
95 100 mA
2.8 2.9 V
200 -- mV
10 15 %
10 15 %
3.3 -- %
200 -- mV
200 -- mV
200 -- mV
--
--
V
-- 0.4
125 -- °C
155 -- °C
20 -- °C
6.5 6.75 V
100 -- mV
300 -- mV
DS9519B-01 April 2011
To be continued
www.richtek.com
5
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