UG124 Rev.0.00
Page 6 of 9
Jul 24, 2017
ISL70321SEHDEMO1Z
4. PCB Layout Guidelines
4.
PCB Layout Guidelines
The ISL70321SEHDEMO1Z PCB layout has been optimized for size and ease of use.
The following key features are:
• The small 2” x 1” size allows easy drop-in placement in system
• Connection posts allow for quick wire-in to circuitry
• 0402 components provide easy handling and customization.
4.1
ISL70321SEHDEMO1Z Evaluation Board
4.2
ISL70321SEHDEMO1Z Schematic
Figure 8. Top of Board
Figure 9. Bottom of Board
Figure 10. ISL70321SEHDEMO1Z Schematic
GND
GND
E
E
E
E
E
E
E
E
E
TP13
R1
0
10K
R8
10K
TP4
TP12
10K
R4
R1
3
10K
R7
10K
TP3
TP11
R1
1
10K
10K
R3
R1
4
10K
TP8
TP2
TP10
R1
5
10K
TP7
TP1
TP9
VDD
EN1
EN2
VM2
VCC5
VREF
EN3
EN4
KILL
GND
DONE
VM1
UP
VM3
VM4
PGTMR
INIT
TDLY
U1
ISL70321SEHVF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
R6
10K
R1
6
10K
R9
10K
TP5
C2
0.47UF
10K
R5
10K
R1
7
C3
0.22UF
TP16
TP15
0.47U
F
C1
10K
R2
TP6
TP14
10K
R1
R1
2
10K
DONE
EN1
EN2
EN3
EN4
INIT
KILL
PGT
TDLY
UNNAMED_1_ISL70321SEH_I866_PIN17
UP
VCC5
VDD
VM1
VM1_IN
VM2
VM2_IN
VM3
VM3_IN
VM4
VM4_IN
