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VCTA25201B-R33MS6 Datasheet(PDF) 39 Page - Richtek Technology Corporation

Part # VCTA25201B-R33MS6
Description  2.1MHz, 20A Multi-Phase Step-Down Converter with I2C Interface
PDF  50 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

VCTA25201B-R33MS6 Datasheet(HTML) 39 Page - Richtek Technology Corporation

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RTQ2134-QA
Copyright © 2022 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DSQ2134-QA-02
May
2022
www.richtek.com
39
Register
Address
0x4B
Register
Name
BUCK1_DVS1CFG0
Bits
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Default
0
0
0
0
0
0
0
0
Read/Write
R
R
RW
R
R
R
R
RW
Bits
Name
Description
Bit 7 to Bit 6
Bit 4 to Bit 1
Reserved
Reserved bits
Bit 5
BUCK1_DVS1MODE
Buck1 DVS1 operation mode setting
0 : Auto Mode
1 : FCCM
Note : Please enable all the set outputs before setting into the FCCM.
Bit 0
BUCK1_ENDVS1
Enable or disable Buck1 DVS1
0 : Disable
1 : Enable
Register
Address
0x52
Register
Name
BUCK1_DVSCFG
Bits
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Default
0
0
0
0
0
0
0
0
Read/Write
R
R
R
R
R
RW
RW
RW
Bits
Name
Description
Bit 7 to Bit 3
Reserved
Reserved bits
Bit 2
BUCK1_DVSPIN_
POL
When Buck1 DVS up and down operations are controlled by using
external VSELA pin, this bit can define the polarity for VSELA.
0 : VSELA = 1
→ use DVS0 setting
VSELA = 0
→ use DVS1 setting
1 : VSELA = 1
→ use DVS1 setting
VSELA = 0
→ use DVS0 setting
Bit 1 to Bit 0
BUCK1_DVS_CTRL
Buck1 DVS up and down operations are controlled by software or
external pin.
00 : Use DVS0 setting
01 : Use DVS1 setting
10 : Controlled by VSELA pin



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