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RT9526AGE Datasheet(PDF) 4 Page - Richtek Technology Corporation

Part # RT9526AGE
Description  Linear Single Cell Li-Ion Battery Charger
PDF  13 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9526AGE Datasheet(HTML) 4 Page - Richtek Technology Corporation

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RT9526A
4
DS9526A-03 July 2014
www.richtek.com
©
Copyright
2014 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
Absolute Maximum Ratings
(Note 1)
Supply Voltage, VIN ------------------------------------------------------------------------------------------------------
−0.3V to 28V
CHG_SB, PGB ------------------------------------------------------------------------------------------------------------
−0.3V to 7V
Other Pins -------------------------------------------------------------------------------------------------------------------
−0.3V to 6V
Power Dissipation, PD @ TA = 25
°C
WDFN-8L 2x3 -------------------------------------------------------------------------------------------------------------- 3.17W
SOT-23-6 -------------------------------------------------------------------------------------------------------------------- 0.48W
Package Thermal Resistance (Note 2)
WDFN-8L 2x3,
θJA --------------------------------------------------------------------------------------------------------- 31.5°C/W
WDFN-8L 2x3,
θJC--------------------------------------------------------------------------------------------------------- 7.5°C/W
SOT-23-6,
θJA --------------------------------------------------------------------------------------------------------------- 208.2°C/W
Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------------- 260
°C
Junction Temperature ----------------------------------------------------------------------------------------------------- 150
°C
Storage Temperature Range --------------------------------------------------------------------------------------------
−65°C to 150°C
Recommended Operating Conditions
(Note 3)
Junction Temperature Range --------------------------------------------------------------------------------------------
−40°C to 125°C
Ambient Temperature Range --------------------------------------------------------------------------------------------
−40°C to 85°C
Electrical Characteristics
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
VIN POR Rising Threshold
Voltage
VPOR_H
3.4
3.8
4.2
V
VIN POR Falling Threshold
Voltage
VPOR_L
3.1
3.5
3.9
V
VIN
 VBATT VOS Rising
VOS_H
--
90
150
mV
VIN
 VBATT VOS Falling
VOS_L
10
50
--
mV
VIN Standby Current
VBATT = 4.5V
--
400
600
A
BATT Sleep Leakage Current
ISLEEP
--
1
5
A
Battery Regulation Voltage
VREG
4.158
4.2
4.242
V
VIN Power MOSFET
On-Resistance
RDS(ON)
IBATT = 0.5A
--
0.6
--
ISET Set Voltage
(Fast Charge Phase)
VISET
--
1.22
--
V
Charge Current Accuracy
RISET = 24.3k
450
500
550
mA
BATT Pre-Charge Threshold
VCHG_PRE
2.45
2.55
2.65
V
BATT Pre-Charge Threshold
Hysteresis
VCHG_PRE
40
100
150
mV
Pre-Charge Current
ICHG_PRE
12
16.7
21.3
%
ENB Input
Threshold Voltage
Logic-High VIH
VIN = 4.2V to 24V
1.5
--
--
V
Logic-Low
VIL
--
--
0.4
Thermal Regulation
TREG
--
115
--
C
(VIN = 4.5V, TA = 25
°C unless otherwise specified)



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