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USB3750 数据表(PDF) 8 Page - Microchip Technology

部件名 USB3750
功能描述  USB 2.0 Protection IC with Battery
PDF  31 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

USB3750 数据表(HTML) 8 Page - Microchip Technology

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USB375x
DS00001824A-page 8
 2011 - 2014 Microchip Technology Inc.
Note 1: The device’s Data Contact Detect Timeout (TDCD_TOUT) parameter does not conform to the USB Battery
Charging Specification’s TDCD_TOUT minimum of 300 ms. However, this will not affect other factors in char-
ger detection.
Data Connect Detect Current
Source
IDP_SRC
713
uA
Data Sink Current
IDAT_SINK
50
150
uA
DP/DM Single Ended RX
Threshold
VSE_RX
0.8
1.95
V
4.75V < VBUS < 5.25V
SE1 High Current Charger RX
Threshold
VSE_RXH
2.1
2.56
V
4.75V < VBUS < 5.25V
DP/DM Pull Down Resistors
RPD
14.25
24.8
Kohm
USB Mux Characteristics (USB3750 Only)
USB Mux On Resistance
RON_USB
10
ohm
0V < Vin < 3.3V
2.5
0V < Vin < 0.4V
USB Mux Off Leakage
IOFF_USB
0.85
uA
0V < Vin < 3.3V
On Capacitance
CON_USB
9pF
Off Capacitance
COFF_USB
6.5
pF
Off Isolation
-35
dB
RL = 50 ohm, F = 250MHz
Crosstalk
-40
dB
RL = 50 ohm, F = 250MHz
Bandwidth (-3dB)
BW
1000
MHz
RL = 50 ohm, CL = 0pF
800
RL = 50 ohm, CL = 5pF
500
RL = 50 ohm, CL = 10pF
Control Signal Characteristics
Input Logic High Threshold
VIN_H
1.4
V
VBUS > UVLO
Input Logic Low Threshold
VIN_L
0.4
V
VBUS > UVLO
Output Drive Strength
VOUT_L
0.4
V
VBUS > UVLO, 4.0mA sink
current
Control Signal Leakage Current
1
nA
0 < Vpin < VOUT
Timing Characteristics
Clock Accuracy
TCLK
0.5
1
2
ms
Oscillator Accuracy
Soft POR Reset Time
TSOFT_POR
20
ms
Time to autoclear Soft POR.
UVLO and OVLO Release Timer TVLO_ RELEASE 36.5
ms
UVLO and OVLO Engage Time TVLO_ ENGAGE 0.5
1.7
ms
Data Contact Detect Timeout
TDCD_TOUT
40
150
ms
See Note 1
Vdat_src and Idat_sink Enable
Time
TVDPSRC_ON
40
80
160
ms
Delay from Vdat_det to OVP
switch enable
TVDPSRC_HICR
NT
40
80
160
ms
SE1 Charger Detection wait for
SE1 timer
TCD_SE1
40
80
160
ms
Interrupt Self Clear Timer
TINT
0.5
1
2
ms
TABLE 3-2:
ELECTRICAL SPECIFICATIONS (CONTINUED)
Characteristic
Symbol
MIN
TYP
MAX
Units
Conditions



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