Datasheet

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
2.5 V / 2.5 V
>2V
X<0.7V
3.3V
3.3 V / 3.3 V (DEFAULT)
OUT
Z
If DC barrel jack (VDC) is floating or does not provide
at least 4 V, power mux will select USB VBUS.
SEL1
D[1:0] have internal 1uA pull-up
VIN2 > VIN1
IN2
Hi-Z / Hi-Z
1.8 V / 2.5 V
X 3.3V
D1
<0.7V
XB VCCIO SELECTION
GND
3.3V
VCCIO / VCCPD
GND
IN1
STAT
ILIM = 2.5 A
POWER MUXES AND MONITOR
<0.7V GND
0
S
EL2
GNDD0
3.3V
VD3P3
VD3P3 VD2P5 VD1P8
XB_VCCIO
XB_VCCPD
V5P0
VDC
VD3P3
VD1P8
VBUS_IN
VDC
VD3P3
VD3P3
VD1P8 XB_VCCIO
XB_VCCPD
VDC
VD2P5
XB_VCCIO_SEL2
PWR_STAT
XB_VCCIO_SEL1
PWR_SCL
PWR_SDA
Title
Size
Document Number Rev
Date: Sheet of
A
Nuand
B
17 17
Title
Size Document Number Rev
Date: Sheet of
A
Nuand
B
17 17
Title
Size Document Number Rev
Date: Sheet of
A
Nuand
B
17 17
INA219
U90
SCL
5
SDA
6
A0
7
A1
8
IN+
1
IN-
2
VS
4
GND
3
STG3856U75
1S1
1
1S2
2
1S3
3
2S3
7
2S2
8
2S1
9
D1
4
11
VCC
GND
5
D2
6
IN2
10
IN1
12
R129
1K
R115 10
R130
200
J49
RAPC712X
PART_NUMBER = RAPC712X
Manufacturer = Switchcraft Inc.
3
2
1
R131
DNP
TPS2115A
U76
D0
2
D1
3
ILIM
4
IN2
6
IN1
8
STAT
1
OUT
7
GND
5
GND_PAD
9
R127
100K
R132
1mOhm SENSE
R146
100K
R128
100K
C196
1uF
C195
0.1uF
C197
1uF
R116 10
FB31 DNP
R145
DNP
R114
10K
R144
DNP
R113
10K
FB32 DNP
XB_VCCIO_SEL1
VIN_P VIN_N
XB_VCCIO_SEL2
VIN_P
VIN_N
THIS DOCUMENT IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Copyright © 2018 Nuand, LLC
All rights reserved.