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RT9503A Просмотр технического описания (PDF) - Richtek Technology

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RT9503A Fully Integrated Linear Single Cell Li-Ion Battery Charger with Power Path Richtek
Richtek Technology Richtek
RT9503A Datasheet PDF : 15 Pages
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RT9503A
Absolute Maximum Ratings (Note 1)
z Supply Input Voltage, ACIN -------------------------------------------------------------------------------------------- 0.3V to 18V
z Supply Input Voltage, USB -------------------------------------------------------------------------------------------- 0.3V to 7V
z CHG_S, AC_PGOOD, AC_ON ---------------------------------------------------------------------------------------- 0.3V to 18V
z Other Pins ----------------------------------------------------------------------------------------------------------------- 0.3V to 5.5V
z Power Dissipation, PD @ TA = 25°C
WQFN-16L 3x3 ----------------------------------------------------------------------------------------------------------- 1.471W
z Package Thermal Resistance (Note 2)
WQFN-16L 3x3, θJA ----------------------------------------------------------------------------------------------------- 68°C/W
WQFN-16L 3x3, θJC ----------------------------------------------------------------------------------------------------- 7.5°C/W
z Lead Temperature (Soldering, 10 sec.) ----------------------------------------------------------------------------- 260°C
z Junction Temperature --------------------------------------------------------------------------------------------------- 150°C
z Storage Temperature Range ------------------------------------------------------------------------------------------- 65°C to 150°C
z ESD Susceptibility (Note 3)
HBM (Human Body Mode) --------------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ---------------------------------------------------------------------------------------------------- 200V
Recommended Operating Conditions (Note 4)
z Supply Input Voltage Range, ACIN ----------------------------------------------------------------------------------- 4.5V to 12V
z Supply Input Voltage Range, USB ----------------------------------------------------------------------------------- 4.1V to 6V
z Junction Temperature Range ------------------------------------------------------------------------------------------ 20°C to 125°C
z Ambient Temperature Range ------------------------------------------------------------------------------------------ 20°C to 85°C
Electrical Characteristics
(ACIN = USB = 5V, TA = 25°C, unless otherwise specification)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Supply Input
ACIN UVP Rising Threshold Voltage VUV_ACIN
USB UVP Rising Threshold Voltage VUV_USB
ACIN/USB UVP Hysteresis
VUV _HYS
ACIN/USB Standby Current
ISTBY
BATT Sleep Leakage Current
ISLEEP
Voltage Regulation
VBATT = 3V
VBATT = 3V
VBATT = 4.5V
VACIN = 4V, VUSB = 4V,
VBATT = 4.5V
--
3
--
V
--
3
--
V
-- 100 -- mV
-- 300 500 μA
--
5
15 μA
BATT Regulation Voltage
ACIN MOSFET Dropout
USB MOSFET Dropout
VREG
IBATT = 60mA
4.138 4.2 4.262 V
VBATT = 4V, ICHG_AC = 1A
400 500 620 mV
VBATT = 4V, ICHG_USB = High 500 650 800 mV
Current Regulation
ISETA Set Voltage
(Fast Charge Phase)
Full Charge Setting Range
AC Charge Current Accuracy
VISETA_FCHG VBATT = 3.5V
2.43 2.48 2.53 V
ICHG_AC
ICHG_AC
100 -- 1000 mA
VBATT = 3.8V, RISET = 1.5kΩ --
500
--
mA
DS9503A-01 April 2011
To be continued
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