R34
U
Z
000
4EU010
0
R
ev
.1
.0
0
Pa
ge 17
Oct 15, 20
21
ISLKU0
60
DEMO1Z Ref
e
re
nce
M
a
nua
l
Figure 21. Schematic Page 6
1.802V
Place 0.47uF, 22uF on the 3 sides of part near PVIN
OCP fixed, peak 18A
Max current = 6A
Efficiency @ 6A = 87%
Max dissipation = 1.6W
Max delivery = 11W
Soft-start = 2.6 ms
Max LDO current = 3A
Max LDO dissipation = 2.1W
Max LDO delivery = 5.4W
OCP set just shy of 3A
1.811V
VCC_5V_HK
VCC_5V_HK
VCC_1V8
VCC_5V_HK
MGT_1V8
VCC_2V5_HK
VCC_5V_HK
EN_VCC_1V8
EN_MGT_1V8
0
R4594
R4497
1.0K
0.05%
+
C3023
47UF
35V
0
R4496
U39
ISL75051ASEH
VIN1
12
VIN2
13
ADJ
8
G
ND-
L
ID
1
EN
10
OCP
11
VIN3
14
VIN4
15
VIN5
16
VIN6
17
VOUT1
2
VOUT2
3
PG
18
BYP
9
VOUT3
4
VOUT4
5
VOUT5
6
VOUT6
7
BASE-
HS
19
C2766
4700pF
16V
10%
4.32k
R539
0.1%
C2644
10V
1uF
C506
10V
10uF
10%
0
R4495
C2745
470nF
10V
10%
0
R4593
C2743
470nF
10V
10%
TP110
C1274
0.1uF
16V
1.5k
R4819
0.05%
L27
7.0A
1.0UH
XEL4030-102MEC
C2643
10V
1uF
TP98
240
R4820
C2744
470nF
10V
10%
C2648
0.1uF
16V
R4567
10K
1%
+
C2763
330UF
10V
+
C3022
47UF
35V
TP102
C2646
220nF
25V
10%
C2657
4700pF
16V
10%
R4796
10K
1%
U448
ISL70001ASEH
Heatsink
49
PGND1
1
PGND1
2
PGND2
47
PGND3
39
PGND2
48
PGND3
40
PGND4
37
PGND4
38
PGND5
29
PGND5
30
PGND6
27
PGND6
28
LX1
3
PVIN1
5
PVIN1
4
SYNC
6
M/S
7
ZAP
8
TDI
9
TDO
10
PGOOD
11
SS
12
DVDD
13
DVDD
14
DGND
15
DGND
16
AGND
17
AGND
18
AVDD
19
REF
20
FB
21
EN
22
PORSEL
23
PVIN2
44
PVIN2
45
PVIN3
42
PVIN3
43
PVIN4
34
PVIN4
35
PVIN5
32
PVIN5
33
PVIN6
24
PVIN6
25
LX2
46
LX3
41
LX4
36
LX5
31
LX6
26
C2741
10V
22UF
C2659
16V
0.01uF
+
C3024
47UF
35V
+
C2647
470UF
6.3V
1.47k
R531
1%
TP99
C1275
470nF
10V
10%
2.67K
R4596
1%
C2765
100p
16V
C2713
10V
22UF
C2742
10V
22UF
499
R4818
0.1%
C2762
470nF
10V
10%
C3021
10V
22UF
VCC_1V8_PGOOD
MGT_1V8_PGOOD