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RT9470 Datasheet(PDF) 20 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) 20 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
20
Register Address : 0x04, Register Name : VBUS
Bit
Bit Name
Default
WDT
RST
REG
RST
Type
Description
7:6
VAC_OVP
01
N
Y
R/W
VAC OVP threshold
00 : 5.8V
01 : 6.5V (default)
10 : 10.9V (6.5V while OTG)
11 : 14V (6.5V while OTG)
5:4
VMIVR_BAT_
TRACK
00
N
Y
R/W
00 : VMIVR by 0x04[3:0] (default)
01 : VMIVR = VBAT + 200mV
10 : VMIVR = VBAT + 250mV
11 : VMIVR = VBAT + 300mV
3:0
VMIVR
0110
N
Y
R/W
Minimum input voltage regulation
0000 : 3900mV
0001 : 4000mV
…
0110 : 4500mV (default)
...
1110 : 5300mV
1111 : 5400mV
Register Address : 0x05, Register Name : PRECHG
Bit
Bit Name
Default
WDT
RST
REG
RST
Type
Description
7
Reserved
0
NA
NA
R
Reserved
6:4
VPRE_CHG
100
Y
Y
R/W
Pre-charge voltage threshold
000 : 2700mV
001 : 2800mV
010 : 2900mV
011 : 3000mV
100 : 3100mV (default)
101 : 3200mV
110 : 3300mV
111 : 3400mV
3:0
IPRE_CHG
0010
Y
Y
R/W
Pre-charge current
0000 : 50mA
0001 : 100mA
0010 : 150mA (default)
...
1110 : 750mA
1111 : 800mA



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