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RT9470 Datasheet(PDF) 23 Page - Richtek Technology Corporation

Part # RT9470
Description  3A Single Cell Switching Battery Charger
PDF  50 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9470 Datasheet(HTML) 23 Page - Richtek Technology Corporation

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RT9470/D
Copyright © 2023 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS9470/D-02
October 2023
www.richtek.com
23
Register Address : 0x0C, Register Name : JEITA
Bit
Bit Name
Default
WDT
RST
REG
RST
Type
Description
7
JEITA_EN
1
Y
Y
R/W
0 : JEITA disable
1 : JEITA enable (default)
6
JEITA_COLD
0
Y
Y
R/W
0 : COLD do NOT charging / OTG (default)
1 : COLD still charging / OTG
5
JEITA_COOL_
ISET
1
Y
Y
R/W
0 : 50% of ICHG
1 : 25% of ICHG (default)
4
JEITA_COOL_
VSET
1
Y
Y
R/W
0 : VBAT_REG = 4.1V
1 : VBAT_REG = Register setting (default)
3
JEITA_WARM
_ISET
1
Y
Y
R/W
0 : 50% of ICHG
1 : ICHG = Register setting (default)
2
JEITA_WARM
_VSET
0
Y
Y
R/W
0 : VBAT_REG = 4.1V (default)
1 : VBAT_REG = Register setting
1
JEITA_HOT
0
Y
Y
R/W
0 : HOT do NOT charging / OTG (default)
1 : HOT still charging / OTG
0
Reserved
0
NA
NA
R
Reserved
Register Address : 0x0D, Register Name : PUMP_EXP
Bit
Bit Name
Default
WDT
RST
REG
RST
Type
Description
7
PE_EN
0
Y
Y
RWSC
0 : Idle (default)
1 : Trigger MTK Pump Express process
(Notice : Auto clear while PE done or no
VBUS)
6
PE_SEL
0
Y
Y
R/W
0 : PE 1.0 process select (default)
1 : PE 2.0 process select
5
PE10_INC
0
Y
Y
R/W
0 : PE 1.0 voltage down (default)
1 : PE 1.0 voltage up
4:0
PE20_CODE
00000
Y
Y
R/W
MTK PE 2.0 voltage request setting
00000 : 5.5V (default)
00001 : 6V
…
11101 : 20V
11110 : Adapter healthy self-testing
11111 : Disable cable drop compensation



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