RT5028B
Typical Application Circuit
1µF
RT5028B
1µF
1µF
1µF
1µF
1µF
1µF
52
1
3
4
VIN
VOUTL1
VOUTL2
1µF
51
VDDP
1µF
2
VINL123
VOUTL3
1µF
7
VINL456
8
VOUTL4
VOUTL5
1µF
10
VINL78
6
5
45, 46
VINB1
VOUTL6
10µF
1µF
1µF
9
VOUTL7
VOUTL8
2.2µH
47, 48
LXB1
22µF
VIN
50
11
VOUTB1S
43, 44
VINB2
SADDR
MASK_GPIOMTP
15
16
SCL
SDA
10µF
2.2µH
41, 42
19
20
26
IRQ
AGND
LXB2
22µF
AP
RESET
39
VOUTB2S
As SADDR connect to AGND
slave address
PWRHOLD
REBOOT
23
37, 38
VINB3
=0111111
24
25
27
As SADDR connect to VIN
slave address
10µF
MTP
MASK_GPIO
SADDR
=0110111
2.2µH
35, 36
LXB3
22µF
As MASK_GPIO connect to AGND
EN pins can control.
33
22
VOUTB3S
PWRON
As MASK_GPIO connect to VIN
Ignore all EN pins.
32
VINB4
10µF
As MTP connect to AGND
Inhibit to write MTP.
As MTP connect to VIN
Permit to write MTP.
ENL1 to ENL8
ENB1 to ENB4
2.2µH
31
LXB4
22µF
21, 34, 56,
57 (Exposed Pad)
29
AGND
VOUTB4S
Suggested Components for Typical Application Circuit
Description
Inductor for Buck-2.2μH
CIN for Buck-10μF
P/N
Manufacture
Murata
LQH43PB2R2M26L
C1206X7R1E516DT
C1206X7R22E416DT
C0603X7R1E216DT
Murata
COUT for Buck-22μF
CIN/COUT for LDO-1μF
Murata
Murata
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is a registered trademark of Richtek Technology Corporation.
DS5028B-01 September 2016
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9
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