Dialog DA1468 Series, Руководство пользователя

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UM-B-074
DA1468x Range Extender Daughterboard
User Manual Revision 1.1 17-Apr-2018
CFR0012 11 of 60 © 2018 Dialog Semiconductor
5 Power
There are three options for powering the system when using DA1468x Dev.Kit PRO Motherboard:
●
The
PRO motherboard’s voltage regulator (VLDO, see Ref.
[2] )
– total current capability approx.
300 mA.
●
A Li-Poly rechargeable battery on the PRO motherboard.
●
A Li-Poly rechargeable battery on the daughterboard of DA14680/681 range extender.
The power source to the daughterboard is selectable with SW1 as shown in Figure 6 .
Figure 6: SW1 Position for Each Power Scheme
The different configurations for each of the power schemes using the DA1468x Dev.Kit PRO
Motherboard are described in
Table 2 .
Table 2: Jumper/Switch Settings for Power Schemes of DA1468x Dev.Kit PRO Motherboard
Power Scheme Indication SW1 J9 USB1 USB2
Motherboard LDO VBAT Left 2-3 - Power + debug
Li-Poly Battery mounted
on motherboard External
battery
Left 1-2 Power + charge debug
Li-Poly Battery mounted
on daughterboard External
battery
Right - Power + charge debug
When using the CIB board, there are two options for powering the system:
●
Power supply coming from the USB of CIB.
●
A Li-Poly rechargeable battery on the daughterboard of DA14680/681 range extender.
The different configurations for the power schemes using the CIB board are described in Table 3.
Table 3: Jumper/Switch Settings for Power Schemes of CIB Board
Power Scheme Indication SW1 J16
Power supply from CIB VBAT or External Battery Left or Right connected
Li-Poly Battery mounted on
daughterboard External battery Right not connected