Datasheet

NXP Semiconductors
AN12395
OM-SE050ARD hardware overview
AN12395 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2019. All rights reserved.
Application note Rev. 1.1 — 27 June 2019
534311 7 / 24
Figure 3. OM-SE050ARD jumpers for I
2
C settings configuration
4.2 Power supply options
The jumpers that allow you to change the OM-SE050ARD power supply settings are:
• J19: Configures V
DD
supply voltage options.
• J16: Connfigures SE050_V
IN
supply options.
• J24: Configures V
DD
supply voltage options in case the LDO is used.
Table 3 describes the OM-SE050ARDjumper settings for each power supply settings
configuration.
Table 3. Jumpers for power supply settings configuration
Jump
er
Description 1-2 2-3 3-4 5-6
J16 SE050_V
in
supply Supplied by
J11:2 pin
Supplied by
the V
DD
(see
J19)
(Default)
n.a. n.a.
J19 V
DD
supply voltage From LDO From 3V3_
ARD pin
(Default)
n.a. n.a.
J24 V
DD
supply voltage
(if LDO is used)
From 5V_PC
(External I
2
C
connector -
Default)
n.a. From 5V_
DB15 pin
From 5V_ARD
pin
Figure 4 shows the power supply unit schematics.