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STUSBCD01B Datasheet(PDF) 12 Page - STMicroelectronics

Part # STUSBCD01B
Description  USB charger detection interface
PDF  19 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STUSBCD01B Datasheet(HTML) 12 Page - STMicroelectronics

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Timing diagrams
STUSBCD01B
12/19
7
Timing diagrams
Figure 4.
Current sink method (with charger connected)
<20ms
V
BUS+
V
DAT_SRC
Applied to DP
V
BUS
V
BUS-
T
VBUS_DBNC
I
DAT_SINK
Applied to DM
V
DAT_DET
DETECT
T
DM_SRC_EN
0.615-0.7V
50-100
µA
T
DPSRC_HICRNT
5ms
>100ms
T
DP_SRC_ON
>40ms
T
CHGR_DET_DBNC
>20ms
T
VBUS_DBNC
5ms
150ms < T
VBUS_DET_CS < 270ms
DM_SRC
Either returned V
DAT_SRC if
dedicated charger or applied
V
DAT_SRC by HOST charger
<20ms
T
DM_SRC_DIS
V
DAT_DET (comparator
output, see Functional
Diagram) must be high
for >20ms for charger
detection to be valid
T
D_VDAT
5ms
<20ms
V
BUS+
V
DAT_SRC
Applied to DP
V
BUS
V
BUS-
T
VBUS_DBNC
I
DAT_SINK
Applied to DM
V
DAT_DET
DETECT
T
DM_SRC_EN
0.615-0.7V
50-100
µA
T
DPSRC_HICRNT
5ms
>100ms
T
DP_SRC_ON
>40ms
T
CHGR_DET_DBNC
>20ms
T
VBUS_DBNC
5ms
150ms < T
VBUS_DET_CS < 270ms
DM_SRC
Either returned V
DAT_SRC if
dedicated charger or applied
V
DAT_SRC by HOST charger
<20ms
T
DM_SRC_DIS
V
DAT_DET (comparator
output, see Functional
Diagram) must be high
for >20ms for charger
detection to be valid
T
D_VDAT
5ms



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