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RT5021 Datasheet(PDF) 27 Page - Richtek Technology Corporation

Part # RT5021
Description  Channels DC/DC PMU with Li-ion Battery Charger
PDF  67 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT5021 Datasheet(HTML) 27 Page - Richtek Technology Corporation

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RT5021
27
DS5021-01 April 2013
www.richtek.com
Copyright
2013 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
©
Time (50ms/Div)
With Battery without NTC Resistor
VIN
(5V/Div)
VTS
(5V/Div)
VBAT
(5V/Div)
IBAT
(500mA/Div)
VBAT = Real Battery, 500mA Mode
Time (250ms/Div)
Battery with NTC Resistor Plug-Out
VIN
(5V/Div)
VTS
(5V/Div)
VBAT
(5V/Div)
IBAT
(500mA/Div)
VBAT = Real Battery, 500mA Mode
Time (500ms/Div)
VIN Exist then Negative Battery and Plug-out
VIN
(5V/Div)
VSYS
(10V/Div)
VBAT
(5V/Div)
IIN
(100mA/Div)
VBAT = Real Battery, RSYS = 50
Ω, 100mAMode
Time (50ms/Div)
With NTC Resistor without Battery
VIN
(5V/Div)
VTS
(5V/Div)
VBAT
(5V/Div)
IBAT
(500mA/Div)
VBAT = Real Battery, 500mA Mode
Time (25ms/Div)
The Temperature of Battery Status
VBAT
(2V/Div)
VTS
(2V/Div)
Normal -> Too Cold (Voltage)
VBAT = Real Battery, 1.5A Mode
JEITA = 0, VSETH = 1, VSETC = 1,
or
JEITA = 0, VSETH = 0, VSETC = 1,
or
JEITA = 1, VSETH = 1, VSETC = x
Time (50ms/Div)
Negative Battery then VIN Plug-In
VIN
(5V/Div)
VSYS
(10V/Div)
VBAT
(5V/Div)
IIN
(500mA/Div)
RSYS = 10
Ω, 500mA Mode
VBAT = Real Battery,



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