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RT9470 Datasheet(PDF) 22 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) 22 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.
www.richtek.com
DS9470/D-02
October 2023
22
Register Address : 0x09, Register Name : CHG_TIMER
Bit
Bit Name
Default
WDT
RST
REG
RST
Type
Description
7
CHG_SAFE_
TMR_EN
1
Y
Y
R/W
0 : Disable charge safe timer
1 : Enable charge safe timer (default)
6
CHG_SAFE_
TMR_2XT
1
Y
Y
R/W
Double charge safe timer during MIVR, AICR,
thermal regulation, and JEITA reduce ICHG
0 : Disable 2x extended charge safe timer
1 : Enable 2x extended charge safe timer
(default)
5:4
CHG_SAFE_
TMR
01
Y
Y
R/W
Charge safe timer
00 : 5hr
01 : 10hr (default)
10 : 15hr
11 : 20hr
3:0
Reserved
0000
NA
NA
R
Reserved
Register Address : 0x0A, Register Name : EOC
Bit
Bit Name
Default
WDT
RST
REG
RST
Type
Description
7:4
IEOC_CHG
0011
Y
Y
R/W
End-of-charge current threshold
0000 : 50mA
0001 : 100mA
0010 : 150mA
0011 : 200mA (default)
...
1110 : 750mA
1111 : 800mA
3:2
BG_CHG_
TMR
00
Y
Y
R/W
EOC back-ground charge timer
00 : 0min (default)
01 : 15min
10 : 30min
11 : 45min
1
TE
1
Y
Y
R/W
0 : Disable charge current termination
1 : Enable charge current termination (default)
0
EOC_RST
0
Y
Y
RWSC
0 : No action
1 : Reset EOC
(Notice : Back to 0 after reset EOC done)
Register Address : 0x0B, Register Name : INFO
Bit
Bit Name
Default
WDT
RST
REG
RST
Type
Description
7
REG_RST
0
NA
NA
RWSC
0 : No action
1 : Reset register
(Notice : Back to 0 after register reset)
6:3
DEVICE_ID
1001
NA
NA
R
1001 : RT9470 (PSEL, PGB)
1010 : RT9470D (D+, D-)
2:0
DEVICE_RE
NA
NA
NA
R
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