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RT5021 데이터시트(PDF) 5 Page - Richtek Technology Corporation

부품명 RT5021
상세설명  Channels DC/DC PMU with Li-ion Battery Charger
PDF  67 Pages
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제조업체  RICHTEK [Richtek Technology Corporation]
홈페이지  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT5021 데이터시트(HTML) 5 Page - Richtek Technology Corporation

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RT5021
5
DS5021-01 April 2013
www.richtek.com
Copyright
2013 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
©
Pin No.
Pin Name
Pin Function
28
FB3
Feedback Input Pin of CH3.
29
TS
Temperature Sense Input. The TS pin connects to a battery’s thermistor to
determine if the battery is too hot or too cold to charge. If the battery’s
temperature is out of range, charging is paused until it re-enters the valid range.
TS also detects whether the battery (with NTC) is present or not.
30
VP
Power Output Pin of 3.3V Buffer for Battery Temperature Sensing.
31
LX3
Switch Node of CH3.
32
PVD3
Power Input Pin of CH3.
33, 34
BAT
Charger Output for Battery.
35, 36
SYS
Power Output for System. Connect this pin to System with a minimum 10
μF
ceramic capacitor to GND.
37
VIN
Supply Voltage Input.
38
DP
USB D+ Input for Charger Type Detection.
39
DN
USB D- Input for Charger Type Detection.
40
VRTC
RTC LDO Power Output Pin.
41 (Exposed pad)
GND
Exposed PAD Should be Soldered to PCB and Connected to GND.



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