SI3220PPT-EVB SILABS [Silicon Laboratories], SI3220PPT-EVB Datasheet - Page 7

• Manufacturer Part Number: SI3220PPT-EVB
• Description: EVALUATION BOARD FOR THE Si3220 DUAL PROSLIC
• Manufacturer: SILABS [Silicon Laboratories]

* VDD
R101/R111
VBATa
2.4k
VBATb
3V
3.9k
5V
D1
NI
D11
NI
DL4003
DL4003
Figure 4. Si3220DC-EVB Evaluation Circuit Third Battery (4 of 4)
R102
10k
R101
NI
R111
NI
R112
10k
Q1 CXT5551
Q2
Q3
Q4 CXT5551
CXT5401
CXT5401
BATSELa
BATSELb
R103
402k
R113
402k
VBHI
VBHI
For three battery operation:
a) Install the switch components for both channels
b) Move zero Ohm resistor from R120 to R121
c) Move 40.2kOhm resistors from R6 and R16
as described at left side of this schematic page.
and place them in R9 and R19.
VBHI
VBATH
BATSWa
BATSWb
R120
0
D100
DL4003
VBPROT
R9
NI
R19
NI
R121
NI
GPOa
GPOb
VBRNG