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UCS1002-2 датащи(PDF) 22 Page - Microchip Technology

номер детали UCS1002-2
подробное описание детали  Programmable USB Port Power Controller with Charger Emulation
PDF  114 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

UCS1002-2 датащи(HTML) 22 Page - Microchip Technology

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Programmable USB Port Power Controller with Charger Emulation
Datasheet
Revision 1.4 (07-16-13)
22
SMSC UCS1002
DATASHEET
Reported Current
Measurement Resolution
ΔIBUS_M
9.76
mA
1 LSB
Current Measurement
Accuracy
±2
%
ILIM not exceeded
Current Measurement - AC
Sampling Rate
500
µs
Charge Rationing - DC
Accumulated Current
Measurement Accuracy
±4.5
%
Charge Rationing - AC
Current Measurement
Update Time
tPCYCLE
1s
Attach / Removal Detection
VBUS Bypass - DC
On Resistance
RON_BYP
50
Ω
Leakage Current
ILEAK_BYP
3
µA
Switch off
Current Limit
IDET_CHG /
IBUS_BYP
2
mA
VDD = 5 V and VBUS> 4.75 V
Attach / Removal Detection - DC
Attach Detection
Threshold
IDET_QUAL
800
µA
Programmable 200-1000 µA,
default listed
Primary Removal
Detection Threshold
IREM_QUAL_ACT
700
µA
Programmable 100-900 µA,
default listed
Active power state
IREM_QUAL_DET
800
µA
Programmable 200-1000 µA,
default listed
Detect power state
(see Section 8.4)
Attach / Removal Detection - AC
Attach Detection Time
tDET_QUAL
100
ms
Time from Attach to A_DET#
assert .
Removal Detection Time
tREM_QUAL
1000
ms
Table 3.3 Electrical Specifications (continued)
VDD = 4.5 V to 5.5 V, VS = 2.9 V to 5.5 V, VPULLUP = 3V to 5.5V, TA = -40 °C to 85 °C
all Typical values at VDD = VS = 5 V, TA = 27 °C unless otherwise noted.
CHARACTERISTIC
SYMBOL
MIN
TYP
MAX
UNIT
CONDITIONS



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