DATASHEET
ISL54227
High-Speed USB 2.0 (480Mbps) DPST Switch with Overvoltage Protection (OVP)
and Dedicated Charger Port Detection
The Intersil ISL54227 is a single supply, dual SPST (Single
Pole/Single Throw) switch that is configured as a DPST. It can
operate from a single 2.7V to 5.25V supply. The part was
designed for switching or isolating a USB high-speed source or a
USB high-speed and full-speed source in portable battery
powered products.
The 3.5
SPST switches were specifically designed to pass USB
full speed and USB high speed data signals. They have high
bandwidth and low capacitance to pass USB high speed data
signals with minimal distortion.The device has two logic control
input pins (OE and LP) to control the SPST switches.
The ISL54227 has OVP detection circuitry on the COM pins to
open the SPST switches when the voltage at these pins
exceeds 3.8V or goes negative by -0.45V. It isolates fault
voltages up to +5.25V or down to -5V from getting passed to
the other side of the switch, thereby protecting the USB down-
stream transceiver. It has an alarm indicator output pin (ALM)
to indicate when the part is in the overvoltage condition.
The part has an interrupt (INT) output pin to indicate a 1-to-1
(high/high) state on the COM lines to inform the µprocessor
when entering a dedicated charging port mode of operation.
The ISL54227 is available in 10 Ld 1.8mmx1.4mm µTQFN and
10 Ld 3mmx3mm TDFN packages. It operates over a
temperature range of -40°C to +85°C.
FN7593
Rev 1.00
September 5, 2013
Features
• High-speed (480Mbps) and full-speed (12Mbps) signaling
capability per USB 2.0
• 1.8V logic compatible (2.7V to +3.6V supply)
• Alarm overvoltage indicator output
• Charger interrupt indicator output
• Low power state
• Power OFF protection
• COM pins overvoltage detection and protection for +5.25V
and -5V fault voltages
• -3dB Frequency. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 790MHz
• Low ON capacitance @ 240MHz. . . . . . . . . . . . . . . . . . . . . 2pF
• Low ON-resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5
• Single supply operation (V
DD
). . . . . . . . . . . . . . . 2.7V to 5.25V
• Available in µTQFN and TDFN packages
• Pb-Free (RoHS compliant)
• Compliant with USB 2.0 short circuit and overvoltage
requirements without additional external components
Applications
)
• MP3 and other Personal Media Players
• Cellular/Mobile Phones, PDA’s
• Digital Cameras and Camcorders
• USB Switching
3.3V
500Ω
VOLTAGE SCALE (0.1V/DIV)
VDD
LOGIC
CONTROL
COM-
OVP
D+
GND
COM+
ISL54227
GND
TIME SCALE (0.2ns/DIV)
D+
INT
ALM
LP
OE
D-
USB
HIGH-SPEED
TRANSCEIVER
V
BUS
USB CONNECTOR
D-
µP
FIGURE 1. TYPICAL APPLICATION
FIGURE 2. USB 2.0 HS EYE PATTERN WITH SWITCHES IN THE
SIGNAL PATH
FN7593 Rev 1.00
September 5, 2013
Page 1 of 18
ISL54227
Pin Configurations
ISL54227
(10 LD 1.8X1.4 µTQFN)
TOP VIEW
ALM
7
D-
6
INT 1
OE
VDD
8
9
LOGIC
OVP
5 COM-
4
3
GND
COM+
LP 2
D+ 3
COM+ 4
GND 5
1
LP
2
D+
OVP
4MΩ
LOGIC
4MΩ
PD
10 VDD
9 OE
8 ALM
7 D-
6 COM-
ISL54227
(10 LD 3X3 TDFN)
TOP VIEW
INT 10
4MΩ 4MΩ
NOTE:
1. Switches Shown for OE = “0”.
Pin Descriptions
µTQFN
1
2
3
4
5
6
7
8
9
10
-
TDFN
2
3
4
5
6
7
8
9
10
1
PD
PIN
NAME
LP
D+
DESCRIPTION
Low Power Input
USB Data Port
Truth Table
INPUT
SIGNAL AT COM
PINS
0V to 3.6V
0V to 3.6V
0V to 3.6V
Overvoltage
Range
3.65V to 5.25V
-0.29V to -5V
COM Pins Tied
Together
COM Pins Tied
Together
LP
0
0
1
0
OE
0
1
0
1
D-,
D+
OFF
ON
OFF
OFF
INT
High
High
High
High
OUTPUT
ALM
High
High
High
Low
STATE
Normal
Normal
Low Power
OVP
COM+ USB Data Port
GND
COM-
D-
ALM
OE
VDD
INT
PD
Ground Connection
USB Data Port
USB Data Port
OVP ALARM Interrupt Output
Switch Enable
Power Supply
Charger Mode Interrupt Output
Thermal Pad. Tie to Ground or Float
0
1
0
0
OFF
OFF
Low
Low
High
High
Charger Port (CP)
Charger Port
(Low Power)
Logic “0” when
0.5V, Logic “1” when
1.4V with a 2.7V to 3.6V Supply.
TABLE 1. OVP TRIP POINT VOLTAGE
SYSTEM VOLTAGE CONDITIONS
CODEC SUPPLY
2.7V to 3.3V
2.7V to 3.3V
SWITCH SUPPLY (V
DD
)
2.7V to 5.25V
2.7V to 5.25V
COMs SHORTED TO
VBUS
-5V
PROTECTED
Yes
Yes
MIN
3.62V
-0.6V
TRIP POINT
MAX
3.95V
-0.29V
FN7593 Rev 1.00
September 5, 2013
Page 2 of 18
ISL54227
Ordering Information
PART NUMBER
(Note 5)
ISL54227IRUZ-T (Notes 2, 4)
ISL54227IRUZ-T7A (Notes 2, 4)
ISL54227IRTZ (Note 3)
ISL54227IRTZ-T (Notes 2, 3)
ISL54227IRTZEVAL1Z
NOTES:
2. Please refer to
TB347
for details on reel specifications.
3. These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte
tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations). Intersil Pb-
free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
4. These Intersil Pb-free plastic packaged products employ special Pb-free material sets; molding compounds/die attach materials and NiPdAu plate -
e4 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL
classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
5. For Moisture Sensitivity Level (MSL), please see device information page for
ISL54227
. For more information on MSL please see techbrief
TB363.
PART
MARKING
U1
U1
4227
4227
Evaluation Board
TEMP. RANGE
(°C)
-40 to +85
-40 to +85
-40 to +85
-40 to +85
PACKAGE
(Pb-Free)
10 Ld 1.8 x 1.4mm µTQFN (Tape and Reel)
10 Ld 1.8 x 1.4mm µTQFN (Tape and Reel)
10 Ld 3x3 TDFN
10 Ld 3x3 TDFN (Tape and Reel)
PKG.
DWG. #
L10.1.8x1.4A
L10.1.8x1.4A
L10.3x3A
L10.3x3A
FN7593 Rev 1.00
September 5, 2013
Page 3 of 18
ISL54227
Absolute Maximum Ratings
VDD to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to 6.5V
VDD to COMx . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10.5V
COMx to Dx . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8.6V
Input Voltages
D+, D- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.5V
COM+, COM- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -5V to 6.5V
OE, LP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to 6.5V
Continuous Current (COM-/D-, COM+/D+). . . . . . . . . . . . . . . . . . . . . ±40mA
Peak Current (COM-/D-, COM+/D+)
(Pulsed 1ms, 10% Duty Cycle, Max) . . . . . . . . . . . . . . . . . . . . . . ±100mA
ESD Rating:
Human Body Model (Tested per JESD22-A114-F) . . . . . . . . . . . . >5.5kV
Machine Model (Tested per JESD22-A115-A) . . . . . . . . . . . . . . . . . >250V
Charged Device Model (Tested per JESD22-C101-D) . . . . . . . . . . . . >2kV
Latch-up (Tested per JEDEC; Class II Level A) . . . . . . . . . . . . . . . . at +85°C
Thermal Information
Thermal Resistance (Typical)
JA
(°C/W)
JC
(°C/W)
10 Ld µTQFN Package (Note 6, 9) . . . . . . .
210
165
10 Ld TDFN Package (Notes 7, 8) . . . . . . .
58
22
Maximum Junction Temperature (Plastic Package) . . . . . . . . . . . +150°C
Maximum Storage Temperature Range. . . . . . . . . . . . . . . . . -65°C to +150°C
Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
Normal Operating Conditions
Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C
V
DD
Supply Voltage Range . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.7V to 5.25V
Logic Control Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V to 5.25V
Analog Signal Range, V
DD
= 2.7V to 5.25V. . . . . . . . . . . . . . . . . 0V to 3.6V
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product
reliability and result in failures not covered by warranty.
NOTES:
6.
JA
is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief
TB379
for details.
7.
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See Tech
Brief
TB379.
8. For
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
9. For
JC
, the “case temp” location is taken at the package top center.
V
DD
= +3.3V, GND = 0V, V
LP
= GND, V
OEH
= 1.4V,
V
OEL
= 0.5V, (Note 10), Unless Otherwise Specified. Boldface limits apply over the operating temperature range, -40°C to +85°C.
PARAMETER
ANALOG SWITCH CHARACTERISTICS
ON-Resistance, r
ON
(High-Speed)
V
DD
= 2.7V, OE = 1.4V, I
Dx
= 17mA, V
COM+
or
V
COM-
= 0V to 400mV (see Figure 4, Note 15)
V
DD
= 2.7V, OE = 1.4V, I
Dx
= 17mA, V
COM+
or
V
COM-
= Voltage at max r
ON
, (Notes 14, 15)
V
DD
= 2.7V, OE = 1.4V, I
Dx
= 17mA, V
COM+
or
V
COM-
= 0V to 400mV, (Notes 13, 15)
V
DD
= 3.3V, OE = 1.4V, I
COMx
= 17mA, V
COM+
or
V
COM-
= 3.3V (see Figure 4, Note 15)
V
DD
= 5.25V, OE = 0V, V
Dx
= 0.3V, 3.3V,
V
COMX
= 3.3V, 0.3V
V
DD
= 5.25V, OE = 5.25V, V
Dx
= 0.3V, 3.3V,
V
COMX
= 0.3V, 3.3V
25
Full
25
Full
25
Full
+25
Full
25
Full
25
Full
25
25
25
-
-
-
-
-
-
-
-
-20
-
-9
-12
-
-
-
3.5
-
0.2
-
0.26
-
6.8
-
1
30
-
-
-
-
-
5
7
0.45
0.55
1
1.2
17
22
20
-
9
12
11
22
1
nA
nA
µA
µA
µA
µA
µA
TEST CONDITIONS
TEMP
(°C)
MIN
(Notes 11, 12)
TYP
MAX
(Notes 11, 12)
UNITS
Electrical Specifications - 2.7V to 5.25V Supply
Test Conditions:
r
ON
Matching Between Channels,
r
ON
(High-Speed)
r
ON
Flatness, R
FLAT(ON)
(High-Speed)
ON-Resistance, r
ON
OFF Leakage Current, I
Dx(OFF)
ON Leakage Current, I
Dx(ON)
Power OFF Leakage Current, I
COM+
, V
DD
= 0V, V
COM+
= 5.25V, V
COM-
= 5.25V, OE =
I
COM-
0V
Power OFF Logic Current, I
OE
Power OFF D+/D- Current, I
D+
, I
D-
Overvoltage Protection Detection
Positive Fault-Protection Trip
Threshold, V
PFP
Negative Fault-Protection Trip
Threshold, V
NFP
V
DD
= 2.7V to 5.25V, OE = V
DD
(See Table 1 on page 2)
V
DD
= 2.7V to 5.25V, OE = V
DD
(See Table 1 on page 2)
V
DD
= 0V, OE = 5.25V
V
DD
= 0V, OE = V
DD
, V
D+
= V
D-
= 5.25V
25
25
3.62
-0.6
3.8
-0.45
3.95
-0.29
V
V
FN7593 Rev 1.00
September 5, 2013
Page 4 of 18
ISL54227
Electrical Specifications - 2.7V to 5.25V Supply
Test Conditions: V
DD
= +3.3V, GND = 0V, V
LP
= GND, V
OEH
= 1.4V,
V
OEL
= 0.5V, (Note 10), Unless Otherwise Specified. Boldface limits apply over the operating temperature range, -40°C to +85°C. (Continued)
PARAMETER
OFF Persistance Time
Fault Protection Response Time
TEST CONDITIONS
Negative OVP Response: V
DD
= 2.7V, SEL = 0V or
V
DD
, OE/ALM = V
DD
, V
Dx
= 0V to -5V, RL = 1.5k
Positive OVP Response: V
DD
= 2.7V, SEL = 0V or
V
DD
, OE/ALM = V
DD
, V
Dx
= 0V to 5.25V, RL =
1.5k
ON Persistance Time
Fault Protection Recovery Time
DYNAMIC CHARACTERISTICS
Turn-ON Time, t
ON
Turn-OFF Time, t
OFF
Skew, (t
SKEWOUT -
t
SKEWIN
)
V
DD
= 3.3V, V
INPUT
= 3V, R
L
= 50, C
L
= 50pF
(see Figure 3)
V
DD
= 3.3V, V
INPUT
= 3V, R
L
= 50, C
L
= 50pF
(see Figure 3)
V
DD
= 3.3V, OE = 3.3V, R
L
= 45,C
L
= 10pF,
t
R
= t
F
= 500ps at 480Mbps, (Duty Cycle = 50%)
(see Figure 7)
25
25
25
-
-
-
160
60
50
-
-
-
ns
ns
ps
V
DD
= 2.7V, OE = V
DD
, V
Dx
= 0V to 5.25V or 0V to
-5V, RL = 1.5k
TEMP
(°C)
25
25
MIN
(Notes 11, 12)
-
-
TYP
102
2
MAX
(Notes 11, 12)
UNITS
ns
µs
25
-
45
µs
Rise/Fall Degradation (Propagation V
DD
= 3.3V, OE = 3.3V, R
L
= 45,C
L
= 10pF,
Delay), t
PD
see
Figure 7)
Crosstalk
OFF-Isolation
-3dB Bandwidth
OFF Capacitance, C
OFF
COM ON Capacitance, C
(ON)
COM ON Capacitance, C
(ON)
POWER SUPPLY CHARACTERISTICS
Power Supply Range, V
DD
Positive Supply Current, I
DD
V
DD
= 5.25V, OE = 5.25V, LP = GND
V
DD
= 3.3V, R
L
= 50, f = 240MHz (see Figure 6)
V
DD
= 3.3V, OE = 0V, R
L
= 50, f = 240MHz
Signal = 0dBm, 0.86VDC offset, R
L
= 50
f = 1MHz, V
DD
= 3.3V, LP = 0V, OE = 0V
(see Figure 5)
f = 1MHz, V
DD
= 3.3V, LP = 0V, OE = 3.3V,
(see Figure 5)
f = 240MHz, V
DD
= 3.3V, LP = 0V, OE = 3.3V
25
25
25
25
25
25
25
-
-
-
-
-
-
-
250
-39
-23
790
2.5
4
2
-
-
-
-
-
-
-
ps
dB
dB
MHz
pF
pF
pF
Full
25
Full
2.7
-
-
-
-
-
-
-
-
-
-
45
-
23
-
5
-
35
-
25
-
5.25
56
59
30
34
6
10
45
50
32
38
V
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
Positive Supply Current, I
DD
V
DD
= 3.6V, OE = 3.6V, LP = GND
25
Full
Positive Supply Current, I
DD
(Low Power State)
Positive Supply Current, I
DD
V
DD
= 3.6V, OE = 0V, LP = V
DD
25
Full
V
DD
= 4.3V, OE = 2.6V, LP = GND
25
Full
Positive Supply Current, I
DD
V
DD
= 3.6V, OE = 1.4V, LP = GND
25
Full
DIGITAL INPUT CHARACTERISTICS
Input Voltage Low, V
OEL
, V
LPL
Input Voltage High, V
OEH
, V
LPH
Input Voltage Low, V
OEL
, V
LPL
Input Voltage High, V
OEH
, V
LPH
Input Voltage Low, V
OEL
, V
LPL
V
DD
= 2.7V to 3.6V
V
DD
= 2.7V to 3.6V
V
DD
= 3.7V to 4.2V
V
DD
= 3.7V to 4.2
V
DD
= 4.3V to 5.25V
Full
Full
Full
Full
Full
-
1.4
-
1.7
-
-
-
-
-
-
0.5
-
0.7
-
0.8
V
V
V
V
V
FN7593 Rev 1.00
September 5, 2013
Page 5 of 18
嵌入式系统
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
