RT9526AGQW 데이터 시트보기 (PDF) - Richtek Technology

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RT9526AGQW

Linear Single Cell Li-Ion Battery Charger with Input Over Voltage Protection

Richtek Technology 

RT9526A

Absolute Maximum Ratings (Note 1)

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

z CHG_SB, PGB Pins ------------------------------------------------------------------------------------------------------ −0.3V to 7V

z Others ------------------------------------------------------------------------------------------------------------------------ −0.3V to 6V

z Power Dissipation, PD @ TA = 25°C

WDFN-8L 2x3 -------------------------------------------------------------------------------------------------------------- 0.833W

z Package Thermal Resistance (Note 2)

WDFN-8L 2x3, θJA --------------------------------------------------------------------------------------------------------- 120°C/W

WDFN-8L 2x3, θJC --------------------------------------------------------------------------------------------------------- 8.2°C/W

z Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------------- 260°C

z Junction Temperature ----------------------------------------------------------------------------------------------------- 150°C

z Storage Temperature Range -------------------------------------------------------------------------------------------- −65°C to 150°C

Recommended Operating Conditions (Note 3)

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

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

Electrical Characteristics

(VIN = 4.5V, TA = 25°C unless otherwise specified)

Parameter

Symbol

Test Conditions

VIN POR Rising Threshold

Voltage

VPOR_H

VIN POR Falling Threshold

Voltage

VPOR_L

VIN − VBATT VOS Rising

VOS_H

VIN − VBATT VOS Falling

VOS_L

VIN Standby Current

BATT Sleep Leakage Current

Battery Regulation Voltage

VIN Power FET On-Resistance

ISET Set Voltage (Fast Charge

Phase)

Charge Current Accuracy

BATT Pre-Charge Threshold

BATT Pre-Charge Threshold

Hysteresis

ISLEEP

VRE G

RDS(ON)

VISET

VCHG_PRE

ΔVCHG _P RE

VBATT = 4.5V

IBATT = 0.5A

RISET = 24.3kΩ

Pre-Charge Current

ICHG _P RE

ENB Input

Logic-High VIH

Threshold Voltage Logic-Low VIL

Thermal Regulation

TREG

VIN Over Voltage Protection

Threshold

VOVP

VIN OVP Hysteresis

ΔVOVP

PGB Pull Down Voltage

VIN = 4.2V to 24V

5mA

CHG_SB Pull Down Voltage

5mA

DS9526A-01 April 2011

Min Typ Max Unit

3.4 3.8 4.2 V

3.1 3.5 3.9 V

-- 90 150 mV

10 50 -- mV

-- 400 600 μA

--

1

5 μA

4.158 4.2 4.242 V

-- 0.6 --

Ω

-- 1.22 --

V

450 500 550 mA

2.45 2.55 2.65 V

40 100 150 mV

12 16.7 21.3 %

1.5 --

--

V

--

-- 0.4 V

-- 115 -- °C

6.7 7 7.5 V

-- 0.1 --

V

-- 200 -- mV

-- 200 -- mV

To be continued

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