DS5028E Datasheet, PDF (24/41 Pages) Richtek Technology Corporation – Integrated PMIC with 4-Channel Synchronous Buck Converters, 8 LDOs, and MTP Non-Volatile Memory for Industrial Applications

RT5028E
Address 04
Bit
Name
[7:2] Buck4Output[5:0]
[1:0] Buck4VRC
Address 05
Bit
Name
7 Buck1VRC_EN
6 Buck2VRC_EN
5 Buck3VRC_EN
4 Buck4VRC_EN
[3:0] Reserved
Address 06
Bit
Name
7 Buck1mode
6 Buck2mode
5 Buck3mode
BUCKcontrol4
Description
Buck4 output voltage regulation
000000 : 0.7V, 50mV per step
000001 : 0.75V
…
111010 : 3.6V
…
111111 : 3.6V
R/W
Reset Value
R/W
Option
VRC setting
00 : 50mV/10s, 01 : 100mV/10s,
10 : 200mV/10s, 11 : 400mV/10s
R/W
Option
VRC Control
Description
R/W
Reset Value
Buck1 VRC
0 : disable - voltage ramps up to target voltage
with one time
R/W
1 : enable - voltage ramps up to target voltage
with slope control
Option
Buck2 VRC
0 - disable - voltage ramps up to target voltage
with one time
R/W
1 - enable - voltage ramps up to target voltage
with slope control
Option
Buck3 VRC
0 : disable - voltage ramps up to target voltage
with one time
R/W
1 : enable - voltage ramps up to target voltage
with slope control
Option
Buck4 VRC
0 : disable - voltage ramps up to target voltage
with one time
R/W
1 : enable - voltage ramps up to target voltage
with slope control
Option
R/W
0000
BUCK Mode
Description
R/W
Reset Value
Buck1 mode
0 : Force PWM
1 : Auto Mode (PSM/PWM)
R/W
1
Buck2 mode
0 : Force PWM
1 : Auto Mode (PSM/PWM)
R/W
1
Buck3 mode
0 : Force PWM
1 : Auto Mode (PSM/PWM)
R/W
1
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DS5028E-00 October 2016