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USB3370 数据表(PDF) 14 Page - Microchip Technology

部件名 USB3370
功能描述  Enhanced Single Supply Hi-Speed USB ULPI Transceiver
PDF  75 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

USB3370 数据表(HTML) 14 Page - Microchip Technology

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USB3370
DS00001915B-page 14
 2012 - 2015 Microchip Technology Inc.
4.7
VBUS Electrical Characteristics
Note 4-10
The RVPD and RVPU values include the required 1kΩ external RVBUS resistor.
4.8
ID Electrical Characteristics
4.9
USB Charger Detection Characteristics
TABLE 4-7:
VBUS ELECTRICAL CHARACTERISTICS
Parameter
Symbol
Conditions
MIN
TYP
MAX
Units
SessEnd trip point
VSessEnd
0.2
0.5
0.8
V
SessVld trip point
VSessVld
0.8
1.4
2.0
V
VbusVld trip point
VVbusVld
4.4
4.58
4.75
V
VBUS Pull-Up
RVPU
VBUS
to VDD33 Note 4-10
(ChargeVbus = 1)
1.29
1.34
1.45
kΩ
VBUS Pull-down
RVPD
VBUS
to GND Note 4-10
(DisChargeVbus = 1)
1.55
1.7
1.85
kΩ
VBUS Impedance
RVB
VBUS
to GND
40
75
100
kΩ
A-Device Impedance to
ground
RIdGnd
Maximum Impedance to
ground on ID pin
100
kΩ
TABLE 4-8:
ID ELECTRICAL CHARACTERISTICS
Parameter
Symbol
Conditions
MIN
TYP
MAX
Units
ID Ground Trip Point
VIdGnd
0.4
0.7
0.9
V
ID Float Trip Point
VIdFloat
1.6
2.2
2.5
V
ID pull-up resistance
RID
IdPullup = 1
80
100
120
kΩ
ID weak pull-up resistance
RIDW
IdPullup = 0
1
MΩ
ID pull-dn resistance
RIDPD
IdGndDrv = 1
1000
Ω
TABLE 4-9:
USB CHARGER DETECTION CHARACTERISTICS
Parameter
Symbol
Conditions
MIN
TYP
MAX
Units
Data Source Voltage
VDAT_SRC
IDAT_SRC < 250uA
0.5
0.7
V
Data Detect Voltage
VDAT_REF
0.25
0.4
V
Data Source Current
IDAT_SRC
250
uA
Data Sink Current
IDAT_SINK
50
150
uA
Data Connect Current
IDP_SRC
713
uA
Weak Pull-up Resistor
Impedance
RCD
Configured by bits 4 and 5 in
USB IO & Power
Management register.
128
170
212
kΩ



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