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SLGC55545 Scheda tecnica(PDF) 13 Page - Dialog Semiconductor

Il numero della parte SLGC55545
Spiegazioni elettronici  USB Charging Port Power Switch and Controller
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Produttore elettronici  DIALOG [Dialog Semiconductor]
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SLGC55545
Logic Control Modes
The SLGC55545 supports the listed standards above for the SDP, CDP and DCP modes using the CTL1, CTL2, and CTL3 logic
I/O control pins, although their truth tables are different as shown below. The different CTLx settings correspond to the different
types of charge modes. Also, using the Auto-Detect Mode, the Divider Mode or BC1.2 (draft) / YD/T 1591-2009 can be automat-
ically selected without external user interaction
Note:
With the SLGC55545, if the “000” mode is selected, the power switch will be turned off and an output discharge resistor will be
connected, while the data line switches will be turned off.
Notes:
1. Current Limit (IOS) is automatically switched between IOS_PW and the value set by ILIM_H according to the Power Wake
Functionality.
2. DCP Load present governed by the “Power Wake” limits.
3. DCP Load present governed by the “Non-Power Wake” limits.
4. No VOUT discharge when charging between 1111 and 1110.
5. CDP Load present governed by the “Non-Power Wake” limits.
SLGC55545 Control Truth Table
CTL1
CTL2
CTL3
ILIM_SEL
MODE
Current
Limit
Settings
Status
Output
Note
0
0
0
0
Discharge
N/A
OFF
Output held LOW
0
0
0
1
Discharge
N/A
OFF
Output held LOW
0
0
1
0
DCP Auto
ILIM_H
OFF
Data Lines Disconnected
0
0
1
1
DCP Auto
IOS_PW &
ILIM_H1
DCP
Load
Present2
Data Lines Disconnected & Power Wake Function
Active
0
1
0
0
SDP1
ILIM_L
OFF
Data Lines Connected
0
1
0
1
SDP1
ILIM_H
OFF
Data Lines Connected
0
1
1
0
DCP Auto
ILIM_H
OFF
Data Lines Disconnected
0
1
1
1
DCP Auto
ILIM_H
DCP
Load
Present3
Data Lines Disconnected & Port Power Manage-
ment Function Active
1
0
0
0
DCP
Shorted
ILIM_L
OFF
Device forced to stay in DCP BC 1.2 charging mode
1
0
0
1
DCP
Shorted
ILIM_H
OFF
Device forced to stay in DCP BC 1.2 charging mode
1
0
1
0
DCP /
Divider1
ILIM_L
OFF
Device forced to stay in DCP Divider1 charging
mode
1
0
1
1
DCP /
Divider1
ILIM_H
OFF
Device forced to stay in DCP Divider1 charging
mode
1
1
0
0
SDP1
ILIM_L
OFF
Data Lines Connected
1
1
0
1
SDP1
ILIM_H
OFF
Data Lines Connected
1
1
1
0
SDP24
ILIM_L
OFF
Data Lines Connected
1
1
1
1
CDP4
ILIM_H
CDP
Load
Present5
Data Lines Connected & Port Power Management
Active


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