RT9519BGQW 查看數據表（PDF） - Richtek Technology

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RT9519BGQW

Linear Single Cell Li-lon Battery Charger with Auto Power Path Management

Richtek Technology 

RT9519B

Absolute Maximum Ratings (Note 1)

z Supply Voltage, VIN ----------------------------------------------------------------------------------------------------- −0.3V to 28V

z CHG, PGOOD ------------------------------------------------------------------------------------------------------------ −0.3V to 28V

z Other Pins ----------------------------------------------------------------------------------------------------------------- −0.3V to 6V

z CHG, PGOOD Continuous Current ---------------------------------------------------------------------------------- 20mA

z BAT Continuous Current (total in two pins) (Note 2) ----------------------------------------------------------- 2.5A

z Power Dissipation, PD @ TA = 25°C

WQFN-20L 3x3 ----------------------------------------------------------------------------------------------------------- 1.471W

z Package Thermal Resistance (Note 3)

WQFN-20L 3x3, θJA ----------------------------------------------------------------------------------------------------- 68°C/W

WQFN-20L 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 4)

HBM (Human Body Mode) --------------------------------------------------------------------------------------------- 2kV

MM (Machine Mode) ---------------------------------------------------------------------------------------------------- 200V

Recommended Operating Conditions (Note 5)

z Supply Input Voltage Range,VIN (ISETL = H) ---------------------------------------------------------------------- 4.4V to 6V

z Supply Input Voltage Range,VIN (ISETL = L) ---------------------------------------------------------------------- 4.5V to 6V

z Junction Temperature Range ------------------------------------------------------------------------------------------ −40°C to 125°C

z Ambient Temperature Range ------------------------------------------------------------------------------------------ −40°C to 85°C

Electrical Characteristics

(VIN = 5V, VBAT = 4V, TA = 25°C, unless otherwise specified)

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Supply Input

VIN Under Voltage Lockout

Threshold

VIN Under Voltage Lockout

Hysteresis

VUVLO

ΔVUVLO

VIN = 0V to 4V

VIN = 4V to 0V

3.1 3.3 3.5 V

-- 240 -- mV

VIN Supply Current

ISUPPLY

ISYS = IBAT = 0mA, EN = L (VBAT > VREGx) --

ISYS = IBAT = 0mA, EN = H (VBAT > VREGx) --

1

2

mA

0.8 1.5

VIN Suspend Current

VBAT Sleep Leakage

Current

VIN-BAT VOS Rising

IUSUS

ISLEEP

VOS_H

VIN = 5V, USUS = H

VBAT > VIN , (VIN = 0V)

-- 195 300 μA

-- 5 15 μA

-- 200 300 mV

VIN-BAT VOS Falling

Voltage Regulation

VOS_L

10 50 -- mV

System Regulation Voltage VSYS

Battery Regulation Voltage VREG1

Battery Regulation Voltage VREG2

APPM Regulation Voltage ΔVAPPM

ISYS = 800mA

0 to 85°C , Loading = 20mA,

When VSET = H

0 to 85°C, Loading = 20mA,

When VSET = L

VSYS − ΔVAPPM

4.3 4.4 4.5 V

4.16 4.2 4.23 V

4.01 4.05 4.08 V

120 200 280 mV

To be continued

www.richtek.com

4

DS9519B-01 April 2011

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