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RT9470 Datasheet(PDF) 21 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) 21 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
21
Register Address : 0x06, Register Name : REGU
Bit
Bit Name
Default
WDT
RST
REG
RST
Type
Description
7
Reserved
0
NA
NA
R
Reserved
6
THREG
1
Y
Y
R/W
Junction thermal regulation threshold
0 : 100°C
1 : 120°C (default)
5:4
Reserved
00
NA
NA
R
Reserved
3:0
VSYS_MIN
1001
N
Y
R/W
System minimum voltage
0000 : 2600mV
0001 : 2700mV
…
1001 : 3500mV (default)
...
1110 : 4000mV
1111 : 4100mV
Register Address : 0x07, Register Name : VCHG
Bit
Bit Name
Default
WDT
RST
REG
RST
Type
Description
7
VRE_CHG
0
Y
Y
R/W
Re-charge voltage threshold
0 : 100mV (default)
1 : 200mV
6:0
VBAT_REG
0011110
Y
Y
R/W
Charge voltage
0000000 : 3900mV
0000001 : 3910mV
…
0011110 : 4200mV (default)
…
1010000 : 4700mV
1010000 to 1111111 : 4700mV
Register Address : 0x08, Register Name : ICHG
Bit
Bit Name
Default
WDT
RST
REG
RST
Type
Description
7:6
Reserved
00
NA
NA
R
Reserved
5:0
ICHG_REG
101000
Y
Y
R/W
Charge current
000000 : 0mA (disable charge)
000001 : 50mA
000010 : 100mA
000011 : 150mA
…
101000 : 2000mA (default)
…
111101 : 3100mA
111111 : 3150mA



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