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STCC2540 数据表(PDF) 9 Page - STMicroelectronics

部件名 STCC2540
功能描述  USB charging controller with integrated power switch
PDF  32 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STCC2540 数据表(HTML) 9 Page - STMicroelectronics

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STCC2540
Electrical characteristics
32
Charger emulator - divider mode
VDM
DM_IN output voltage
Device set to DCP auto-detect
mode or divider mode,
VIN = 5.0 V
1.96
2
2.04
V
VDP
DP_IN output voltage
2.65
2.7
2.75
RDM
DM_IN output resistance
Device set to DCP auto-detect
mode or divider mode
27
k
Ω
RDP
DP_IN output resistance
27
Charger emulator - BC1.2 CDP mode
VDM_SRC
Voltage source on DM_IN for
CDP detection
VDP_IN = 0.6 V, device in CDP
BC1.2 mode
0.5
0.6
0.7
V
VDAT_REF
DP_IN rising voltage
threshold to turn on
VDM_SRC
IDM_IN = -250 µA, device in
CDP BC1.2 mode
0.25 0.32
0.4
VDAT_REF_HYST
VDAT_REF hysteresis
30
mV
VLGC_SRC
DP_IN rising voltage
threshold to turn off
VDM_SRC
0.8
1
V
VLGC_SRC_HYST
VLGC_SRC hysteresis
30
mV
IDP_SINK
DP_IN sink current
0.4 < VDP_IN < 0.8 V, device in
CDP BC1.2 mode
50
75
150
µA
Charger emulator - timings
tCHG_DGL_ON
Charging indication ON
deglitch delay
From IOUT > IOUT _TH to
CHARGING asserted
0.5
s
tCHG_DGL_OFF
Charging indication OFF
deglitch delay
From IOUT < IOUT_TH to
CHARGING deasserted
5
tVDM_SRC_ON
DM_IN voltage source turn-
on time
From VDP_IN 0 V -> 0.6 V to
VDM_IN = VDM_SRC, CTLx
configured for CDP BC1.2
8
ms
tVDM_SRC_OFF
DM_IN voltage source turn-
off time
From VDP_IN 0.6 V -> 0 V to
VDM_IN = 0 V, CTLx configured
for CDP BC1.2
1.3
tVBUS_REAPP
OUT discharge pulse width
From VOUT falls to 0.7 V during
discharge to VOUT returning to
90%.
300
350
400
Table 4. Electrical characteristics VIN = 4.5 to 5.5 V, -40 °C < TJ < 125 °C
(unless otherwise specified) (continued)
Symbol
Parameter
Conditions
Min. Typ. Max.
Unit



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