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PI5USB2546 Datasheet(PDF) 25 Page - Diodes Incorporated

No. de pieza PI5USB2546
Descripción Electrónicos  USB Charging Port Controller and Load Detection Power Switch
PDF  31 Pages
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Fabricante Electrónico  DIODES [Diodes Incorporated]
Página de inicio  http://www.diodes.com
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PI5USB2546 Datasheet(HTML) 25 Page - Diodes Incorporated

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www.diodes.com
1/18/2017
2016-11-0004
PT0493-4
25
PI5USB2546
Implementing PPM in a System with Two Charging Ports
Below shows the implementation of two charging ports and each port with its own PI5USB2546. In this example 5V power supply
for the two charging ports is rated at <3A or <15W max. Both devices have RLIM chosen to correspond to the low (0.9A) and
high (1.5A) current limit setting for the port. In this implementation the system can support only one of the two ports at 1.5A
charging current while the other port is set to SDP mode and ILIMIT corresponding to 0.9A.
Figure 10, Implementing Port Power Management in a System Supporting Two Charging Ports
IN
STATUS
FAULT
5V
EN
CTL1
CTL2
CTL3
ILIM_SEL
PI5USB2546
OUT
DM_IN
DP_IN
GND
ILIM_LO
ILIM_HI
S0-S3
48.7k
(0.9A)
29.8k (1.5A)
IN
STATUS
FAULT
EN
CTL1
CTL2
CTL3
ILIM_SEL
OUT
DM_IN
DP_IN
GND
ILIM_LO
ILIM_HI
48.7k
(0.9A)
29.8k (1.5A)
USBPort 1
USBPort 2
100k
100k
EN 1
FAULT 1
5V
EN 2
FAULT 2



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