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AXP288D Datasheet(PDF) 45 Page - Shenzhen X-Powers Technology Co ., Ltd

Part # AXP288D
Description  PMIC Optimized For Multi-Core High-Performance System
PDF  110 Pages
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Manufacturer  XPOWER [Shenzhen X-Powers Technology Co ., Ltd]
Direct Link  http://www.x-powers.com/en.php/Index/index
Logo XPOWER - Shenzhen X-Powers Technology Co ., Ltd

AXP288D Datasheet(HTML) 45 Page - Shenzhen X-Powers Technology Co ., Ltd

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AXP288
PMIC Optimized For Multi-Core High-Performance System
AXP288 Datasheet V1.06
Copyright © 2014 X-Powers Limited. All Rights Reserved.
45
Single Input Power Source Connection Diagram
AXP288
USB VBUS
VBUS
(Pin 61)
VBUS
(Pin 55)
16V
4.7uF
Figure 9-20
o
If only Li- Battery is available, and no external power input, Li- Battery is used for power input;
o
If external power is available (VBUS), it is preferred in power supply
o
If Li- Battery is available, it will “Seamlessly” switch to Li- Battery once external power is removed
o
If the current is still insufficient, charge current will be reduced to zero, and Battery is used for one of power sources
9.2.2 IPSOUT source selection
For single input power source, VBUS source is channeled to IPSOUT when REG 30H[7] is set to 0 (default). For whatever
reason, if VBUS source need to be disconnected from IPSOUT, set REG 30H[7] to 1. Note that when BC Detection module is
detecting, REG 2CH[2] = 1, VBUS to IPSOUT channel is OFF.
VBUS Select Setting
Table 9-19
REG 30H[7]
REG 2CH[2]
VBUS_SEL
0
0
1
1
X
0
X
1
0
Table 9-20
REG 30H
Description
R/W
Default
Bit 7
VBUS path select control (VBUS_SEL) when VBUS valid
0: VBUS path selected
1: VBUS path not selected
RW
0



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