UM-B-093
DA1469x PRO Development Kit
User Manual
Revision 1.1
19-Feb-2019
CFR0012
9 of 22
© 2019 Dialog Semiconductor
3.6 DA1469x PRO DK Daughterboard (db-VFBGA-100 and db-LFBGA-86)
Figure 8: DA1469x PRO DK Daughterboard
●
DA1469x in micro-BGA package (U1)
●
Crystals with frequencies of 32 MHz and 32.768 kHz, (Y1 and Y2, respectively)
●
QSPI Flash (SOIC-8 or USON-8 package), the default of which is W25Q80EWSNIG (8 Mbit),
(U2)
●
Printed RF antenna (ANT1)
●
Coaxial switch for conducted RF measurements (J7)
●
Reset button, K1(RESET)
●
USB connector for charging and data communications (supporting USB 2.0 full speed), (J3)
●
OVP circuit on the VBUS power input (
Figure 9
)
Figure 9: USB Overvoltage Protection
●
Battery/Power connectors (
Figure 10
):
Q2
DMP3099L-7
3
1
2
DIODES Inc.
R22
2.2k
R23 4.7k
D4
BZX84C5V6-7-F
1
3
Q5
BC807-25_215
3
1
2
R9
NP
VBUS
VBUS_IN
R18
10.0k
C13
100nF
