RT9527 查看數據表（PDF） - Richtek Technology

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RT9527

Single Cell Li-Ion Battery Charger with Adjustable Charging Current for Portable Applications

Richtek Technology 

RT9527

Absolute Maximum Ratings (Note 1)

 Supply Input Voltage, VIN ----------------------------------------------------------------------------------------------- −0.3V to 28V

 CHG, PGOOD, TS -------------------------------------------------------------------------------------------------------- −0.3V to 28V

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

 Power Dissipation, PD @ TA = 25°C

WDFN-8L 2x2 -------------------------------------------------------------------------------------------------------------- 0.833W

 Package Thermal Resistance (Note 2)

WDFN-8L 2x2, θJA --------------------------------------------------------------------------------------------------------- 120°C/W

WDFN-8L 2x2, θJC --------------------------------------------------------------------------------------------------------- 8.2°C/W

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

 Junction Temperature ----------------------------------------------------------------------------------------------------- 150°C

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

 ESD Susceptibility (Note 3)

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

MM (Machine Model) ----------------------------------------------------------------------------------------------------- 200V

Recommended Operating Conditions (Note 4)

 Supply Input Voltage, VIN ----------------------------------------------------------------------------------------------- 4.4V to 6V

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

 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

VIN  BAT VOS Rising

VUVL O

VUVLO

VOS_H

VIN = 0V to 5V

VIN = 5V to 0V

3.1 3.3 3.5

V

--

240

--

mV

-- 100 200 mV

VIN  BAT VOS Falling

VOS_L

10 50

--

mV

VIN Standby Current

ISTANDBY VBAT = 4.5V

--

1

2

mA

BAT Sleep Leakage Current

Voltage Regulation

ISLEEP

VIN = 0V

--

--

1

A

Battery Voltage Regulation

VREG

0C to 85C

4.158 4.2 4.242 V

Re-Charge Threshold

VREGCHG Battery Regulation  Recharge Level 60 100 140 mV

VIN Power FET On-Resistance RDS(ON) IBAT = 450mA

-- 0.8 --



Current Regulation

VIN Charge Setting Range

Fast-Charge Current Factor

ICH G

KCHG_F1

KCHG_F2

ICHG_F1 = KCHG_F1 / RISET,

ICHG_F1 = 10mA to 50mA

ICHG_F2 = KCHG_F2 / RISET,

ICHG_F2 = 50mA to 600mA

10

-- 600 mA

510 600 690

A

570 600 630

Copyright ©2014 Richtek Technology Corporation. All rights reserved.

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is a registered trademark of Richtek Technology Corporation.

DS9527-02 May 2014

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