RTS5411
USB 3.0 Super-Speed HUB Controller
DATASHEET
Doc Rev. 1.2
30. Nov. 2015
i
Rev 1.2
TRADEMARKS
Realtek is a trademark of Realtek Semiconductor Corporation. All other names mentioned in this document are
trademarks/registered trademarks of their respective owners.
Realtek provides this document “as is”, without warranty of any kind, neither expressed nor implied, including, but not limited to
the particular purpose. Realtek may make improvements and/or changes in this manual or in the product(s) and/or the program(s)
described in this manual at any time. This document could include technical inaccuracies or typographical errors.
Revision History
Revision Description
Page
Date
0.90
First release
2014/01/10
0.91
Added SMBus Section
2014/03/16
0.92
Added the maximum ratings of HBM in section 5.1
10
Modified the system clock frequency in section 5.4.1
11
Updated the power consumption in section 5.5
12
Modified the power off sequence in section 5.6.
15
Modified the buffer type of OCP and DSP_PWR pins in section 4.3
9
Added comments in the Package Dimensions in section 8
27
Fixed the default slave address of SMBUS
19,20
Added SMBus Patch Setting Transfer
20
Added SMBus Customer Charge Configuration Transfer
21
2014/07/01
0.93
Modify the pin description of the OCP input pins.
2014/07/22
0.94
Add the maximum junction temperature in section 5.2
10
2014/08/20
0.95
Update power consumption in section 5.5
12,13,14
2014/11/12
0.96
Correct the clerical mistake of ‘command code’ value in section 6.3.6
21
2015/01/22
1.0
Formal Release
1.1
Add ‘Tc’ parameter in section 5.2
10
2015/03/23
1.2
Add “RTS5411” mark
5
2015/11/30
Add VAV12,VDV12 condition : Active and Disconnect / Suspend
10
2015/01/30
ii
Rev 1.2
Table of Contents
1. General Description .............................................................................................................................................................. 1
2. Features ................................................................................................................................................................................. 2
3. Block Diagram ...................................................................................................................................................................... 4
4. Pin Information ..................................................................................................................................................................... 5
4.1 Pin Assignment ............................................................................................................................................................... 5
4.2 Pin Descriptions .............................................................................................................................................................. 6
4.3 Buffer list ........................................................................................................................................................................ 9
5. Electrical Characteristics ..................................................................................................................................................... 10
5.1 Absolute Maximum Ratings .......................................................................................................................................... 10
5.2 Recommended Operating Ranges ................................................................................................................................. 10
5.3 DC Characteristics .........................................................................................................................................................11
5.3.1 DC Characteristics except USB differential signals ................................................................................................11
5.3.2 USB 2.0 Interface DC Characteristics .....................................................................................................................11
5.3.3 USB 3.0 Interface DC Characteristics .....................................................................................................................11
5.4 AC Characteristics ..........................................................................................................................................................11
5.4.1 System Clock ..........................................................................................................................................................11
5.5 Power Consumption ...................................................................................................................................................... 12
5.6 Power On/Off Sequence ................................................................................................................................................ 15
6. SMBus Slave Interface ........................................................................................................................................................ 17
6.1 Pull-Up Resistor for SMBus ......................................................................................................................................... 17
6.2 SMBus Bus Protocol ..................................................................................................................................................... 17
6.2.1 Receive Byte .......................................................................................................................................................... 18
6.2.2 Block Write/Block Read......................................................................................................................................... 19
6.3 SMBus Transfer Protocol .............................................................................................................................................. 19
6.3.1 Slave Address ......................................................................................................................................................... 19
6.3.2 Get Device Status ................................................................................................................................................... 19
6.3.3 Block-out Transfer ................................................................................................................................................. 20
6.3.4 Block-in Transfer ................................................................................................................................................... 20
6.3.5 SMBus Patch Setting Tranfer ................................................................................................................................. 20
6.3.6 Customer Charging Configuration Transfer ........................................................................................................... 21
6.3.7 Invalid Protocol Response Behavior ...................................................................................................................... 22
6.4 Bus Reset Sequence ...................................................................................................................................................... 22
6.5 SMBus Timing .............................................................................................................................................................. 22
7. I2C Master and slave interface ............................................................................................................................................ 24
7.1 I2C Slave interface ........................................................................................................................................................ 24
7.2 I2C Master interface ...................................................................................................................................................... 24
7.2.1 Supported Mode and Speed .................................................................................................................................... 24
7.2.2 Transfer Protocol Implementation .......................................................................................................................... 24
7.2.3 Stretching the SCK ................................................................................................................................................. 25
7.2.4 Slave Response Timeout ........................................................................................................................................ 25
7.3 I2C Timing .................................................................................................................................................................... 25
8. QFN-76 Package Dimensions ............................................................................................................................................. 28
9. Ordering Information .......................................................................................................................................................... 30
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Rev 1.2
RTS5411
1. General Description
RTS5411 is an advanced USB3.0 4-port HUB controller, which integrates USB3.0 and USB2.0 Transceivers,
MCU, SIE, regulator and charger circuits into a single chip. That could dramatically reduce the system BOM
cost. With high compatibility, RTS5411 is fully backward compatible to USB2.0 and USB1.1 specification
which can be operated in Super-Speed, High-Speed, Full-Speed and Low-Speed.
RTS5411 provides the battery charging function for each downstream port. Besides complies with USB
Battery Charging specification rev1.2, RTS5411 also provides charging function for various portable devices.
Not only downstream ports can be used as charger, RTS5411’s upstream port also supports two special
functions regarding the BC1.2 specification. The first one charger function of RTS5411’s upstream port is
called “ACA-dock” mode. When a device which complies with ACA-dock of the BC1.2 specification is put into
an ACA-Dock, it would act as a host to various USB peripherals, such as a hub, keyboard, mouse, printer, etc.
However, while in ACA-dock, the device should also be able to charge at the same time. The second charger
function of the RTS5411’s upstream port is called “charger detection” function. RTS5411 can recognize the
BC1.2 charger mode which attached to the upstream port, including CDP, DCP and SDP. RTS5411 supports
an auto detection-switch mechanism to charge portable device in suitable mode.
RTS5411 can update its firmware with an external SPI flash through flexible ISP channel. With the ISP
function, it can configure lots of features and settings by the external SPI flash or EEPROM as well. The ISP
function is easy to complete with just one USB cable and RTS5411’s download tool.
The features and settings of RTS5411 can also be configured by the SMBUS interface or internal eFuse.
RTS5411 has various interfaces to communicate with other components, such as GPIO, I2C, SMBUS. It’s
flexible for extending varieties of applications by using these interfaces.
Moreover, RTS5411 supports a special power saving function named delink mode.
It can save more power for the system when there is no device connected to the hub even though the
upstream port of the RTS5411 is attached to the downstream port of the behind host or hub.
Realtek Semiconductor Corp.
1
V1.2
RTS5411
2. Features
Compliant with Universal Serial Bus 3.0 Specification Revision 1.0
- 4 downstream ports for super-speed, high-speed, full-speed and low-speed traffic.
- Backward compatible with USB specification Revision 2.0, 1.1 and 1.0.
MT T (Mu lt i pl e Tr a ns ac t i on Tr a ns la to r)
- O n e T T f or e ac h do w ns tr e am por t.
- Better data throughput when multiple downstream ports act on FS concurrently.
Support SMBUS to customize configurations
- SMBUS address is configurable by external SPI Flash or internal eFuse.
Support I2C to configure other chips on the same platform.
Compliant with USB Battery Charging Specification Revision 1.2 and other portable devices
- DCP Mode of BC 1.2.
- CDP Mode of BC 1.2.
- ACA-Dock functions of BC 1.2.
- Charger detection functions for upstream port’s charger which complies with BC1.2.
- D+/D– Divider Modes 2.0V/2.7V, 2.7/2.0V and 2.7/2.7V.
- D+/D- 1.2V Mode.
The Up Stream Port of the RTS5411 can detect the DSP it is connected to is a SDP, CDP, or DCP.
When the RTS5411 is connected to a charging port, it is allowed to draw more current from the DSP.
Support Gang mode and Individual mode for downstream port.
Support USB2.0 LPM-L1 function
Support USB3.0 U1/U2/U3 power saving mode
Integrated Fast 8051 microprocessor
Support serial flash for ISP function which can upgrade Firmware or configurations via USB directly.
Support EEPROM for ISP function which can upgrade configurations via USB directly.
Support 12MHz Crystal clock
Integrated 3.3V output LDO inside, the input range supports from 4.5V to 5.5V
Integrated 1.2V output switching regulator, the input range supports from 3.0V to 5.5V.
Support LED control function of indicating Downstream Ports transfer activity and over-current
condition.
Realtek Semiconductor Corp.
2
V1.2
RTS5411
76-pin QFN (9 x9 mm) package
Support Efuse to configure functions or configurations such as non-removable port, gang mode, etc.
Support the “Delink” function for extreme power saving
- If there is no any device attached to the RTS5411’s downstream ports, the RTS5411 will disconnect
itself from the downstream port of the host or another hub controller for further power saving.
The connection of the upstream port will be established automatically once there is any device
attached to its downstream ports.
Realtek Semiconductor Corp.
3
V1.2
RTS5411
3. Block Diagram
DS port
DS Port
Over-current power
flag
enable
5V 3.3V 5V/3.3V
Power switch
Controller
LDO
Super Speed
HUB repeater
Super Speed
PHY
SPI
FLASH
Upstream Port
1.2V
SPI
Super Speed
PHY
SWR
Charging
Controller
Super Speed HUB
Controller
USB2.0
PHY
1st Downstream Port
Super Speed
PHY
USB2.0
PHY
USB2.0 HUB
Multiple
Transaction
Translators
Super Speed
PHY
2nd Downstream Port
MCU (8051)
USB 3.0 HUB
POWER Controller
4
Cache
Controller
ROM
MCU
RAM
USB2.0 HUB
Repeater
USB2.0
PHY
3rd Downstream Port
USB 2.0 HUB
Realtek Semiconductor Corp.
USB2.0
PHY
Super Speed
PHY
USB2.0 HUB
Controller
USB2.0
PHY
4th Downstream Port
V1.2
RTS5411
4. Pin Information
USP_DM
USP_DP
V33_OUT
LDO_V5_IN
SWR_V5_IN
SWR_OUT
SWR_GND
DV12
DV12
DV33
MOSI
MISO
SCS
SCK
DSP4_PWR
DSP3_PWR
DSP2_PWR
DSP1_PWR
GPIO7
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
4.1 Pin Assignment
AV12
58
38
GPIO6
USP_SSTX-
59
37
GPIO5
USP_SSTX+
60
36
GPIO4
35
GPIO3/SDA
34
GPIO2/SCL
33
GPIO1/SMBDA
32
GPIO0/SMBCL
GND
61
USP_SSRX-
62
USP_SSRX+
63
AV12
64
DSP1_SSTX+
65
DSP1_SSTX-
66
REALTEK
RTS5411
31
AV12
30
DSP4_SSRXDSP4_SSRX+
OCP1
67
29
DSP1_SSRX+
68
28
OCP4
DSP1_SSRX-
69
27
DSP4_SSTX-
AV12
70
26
DSP4_SSTX+
DSP1_DP
71
DSP1_DM
72
DV33
73
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
DV12
DV33
DSP2_DP
DSP2_DM
AV12
DSP2_SSTX+
DSP2_SSTX-
OCP2
DSP2_SSRX+
DSP2_SSRX-
AV12
DSP3_SSTX+
DSP3_SSTX-
OCP3
DSP3_SSRX+
DSP3_SSRX-
AV12
76
2
SPWR_DET
The e-pad shall be connected to reference ground
BPWR_DET
75
1
74
RREF
XTLI
XTLO
LLLLLLL
GXXXVV
25
AV12
24
DSP4_DM
23
DSP4_DP
22
DV33
21
DSP3_DM
20
DSP3_DP
The version number is shown in the location marked ‘VV’ and G means Green Package
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V1.2
RTS5411
4.2 Pin Descriptions
Pin Name
Pin No.
I/O
Type
Description
Power supply
DV33
DV12
AV12
LDO_V5_IN
4,22,48,73
3,49,50
7,13,19,25,31,
58,64,70
54
V33_OUT
55
Power
Power
Power
Power
Power
SWR_V5_IN
53
Power
SWR_GND
SWR_OUT
51
52
GND
Power
GND
61
E-PAD
-
RREF
1
XTLI
XTLO
74
75
GPIO0/SMBCL,
GPIO2/SCL,
GPIO4,GPIO6
32,34,36,38
GND
GND
3.3V power supply for digital circuits
1.2V power supply for digital circuits
1.2V power supply for analog circuits
5V to 3.3V LDO input.
Short this pin to DV33, when on-chip LDO is not used.
3.3V output (from internal 5V to 3.3V Low Dropout
Regulator)
Short this pin to DV33, when on-chip LDO is not used.
5V to 1.2V SWR input
Connect this pin to LDO_V5_IN if internal switching
regulator isn’t used.
Reference GND for 1.2V SWR
5V to 1.2V SWR output
Left this pin floating if internal switching regulator isn’t
used.
Reference ground
The bottom of the package has a thermal pad. The pad
shall be connected to the reference ground
Analog Interface
Connect an external resistor (6.2K ±1%) to the Reference
GND
I
System Clock
I
O
12Mhz Crystal input.
12Mhz Crystal output.
LED Control Pins
I/O
GPIO1/SMBDA,
GPIO3/SDA,
GPIO5,GPIO7
33,35,37,39
I/O
Realtek Semiconductor Corp.
General Purpose I/O. Now used for LED application to
indicate Downstream Ports transmit and receive
activity .The LEDs will blink when there is USB transfer
under corresponding port.
These pins have weak internal pull up resistances. Left
these pins floating when unused.
The GPIO0 can be configured as a SMBus clock pin
The GPIO2 can be configured as a I2C clock pin
General Purpose I/O. Now used for LED application to
indicate Downstream Ports over-current condition. The
LEDs will on when over-current condition is detected.
These pins have weak internal pull up resistances. Left
these pins floating when unused.
The GPIO1 can be configured as a SMBus data pin
The GPIO3 can be configured as a I2C data pin
6
V1.2
RTS5411
Pin Descriptions（continued）
Pin Name
Pin No.
I/O
Type
Description
USB Port Control Pins
DSP1_PWR,
DSP2_PWR,
DSP3_PWR,
DSP4_PWR
40,41,42,43
OCP1,OCP2,
OCP3,OCP4
67,10,16,28
O
I
BPWR_DET
2
I
SPWR_DET
76
I
External power switch enable pin for corresponding
(1)
downstream port. Active low .
Left these pins floating when unused.
0: Power supply for VBUS is on.
1: Power supply for VBUS is off.
Over Current Protection flag for corresponding
(1)
downstream port .Active low .
These pins have internal pull up resistors. Left these
pins as floating if OCP function of these pins are unused
and the ‘power switch’ mode is selected. The external
pull-up resistors shall be connected to these pins if the
‘non power switch’ mode is selected and the OCP
function of these pins are unused.
0: Over-current condition is detected.
1:Non over-current condition is detected.
Upstream VBUS power detection pin. Active High.
0: Upstream VBUS power is absent.
1: Upstream VBUS power exists.
Self Power Detection pin. Active High.
0: Bus-power setting
1: Self-power setting
SPI Interface
SCK
44
SCS
45
I/O
I/O
MISO
46
MOSI
47
I/O
I/O
This is I/O bi-direction. Now used as clock output for
EEPROM or Serial Flash memory
This is I/O bi-direction. Now used as output chip select
for EEPROM or Serial Flash memory
Upon power on reset this pin is also used for pin strap
option to perform code execution from internal ROM or
external SPI ROM.
0:Execute codes from internal ROM .Optionally load
configurable futures from the external EEPROM.
1:Execute codes from Serial Flash.
This is I/O bi-direction. Now used as data input from
EEPROM or Serial Flash memory
This is I/O bi-direction. Now used as data output to
EEPROM or Serial Flash memory
(1) Active low by default. It can be configured to be active high by firmware through executing external codes.
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7
V1.2
RTS5411
Pin Descriptions（continued）
Pin Name
Pin No.
I/O
Type
Description
USB3.0 Interface
USP_SSTX+
DSP1_SSTX+,
DSP2_SSTX+,
DSP3_SSTX+,
DSP4_SSTX+
60
65,8,14,26
USP_SSTXDSP1_SSTX-,
DSP2_SSTX-,
DSP3_SSTX-,
DSP4_SSTX-
59
66,9,15,27
USP_SSRX+
DSP1_SSRX+,
DSP2_SSRX+,
DSP3_SSRX+,
DSP4_SSRX+
63
68,11,17,29
USP_SSRXDSP1_SSRX-,
DSP2_SSRX-,
DSP3_SSRX-,
DSP4_SSRX-
62
69,12,18,30
USP_DP
DSP1_DP,
DSP2_DP,
DSP3_DP,
DSP4_DP
56
71,5,20,23
USP_DM
DSP1_DM,
DSP2_DM,
DSP3_DM,
DSP4_DM
57
72,6,21,24
O
USB3.0 SuperSpeed TX+ of Upstream Port
USB3.0 SuperSpeed TX+ of Downstream Ports
O
O
USB3.0 SuperSpeed TX- of Upstream Port
USB3.0 SuperSpeed TX- of Downstream Ports
O
I
USB3.0 SuperSpeed RX+ of Upstream Port
USB3.0 SuperSpeed RX+ of Downstream Ports
I
I
USB3.0 SuperSpeed RX- of Upstream Port
USB3.0 SuperSpeed RX- of Downstream Ports
I
USB2.0 Interface
USB2.0 D+ signal of Upstream Port
I/O
USB2.0 D+ signal of Downstream Ports
I/O
Realtek Semiconductor Corp.
I/O
USB2.0 D- signal of Upstream Port
USB2.0 D- signal of Downstream Ports
I/O
8
V1.2
RTS5411
4.3 Buffer list
5V input buffer with internal 10K pull-up resistor
OCP[4:1] (2)
Open drain output buffer
DSP_PWR [4:1] (1)
3.3V bi-directional buffer
SCK.SCS, MISO, MOSI
3.3V bi-directional buffer with internal 200K pull-up resistor
GPIO[7:0]
5V input buffer
BPWR_DET, SPWR_DET
3.3V clock interface
XTLI, XTLO
USB2.0 interface
DSP_DP [4:1], USP_DP, DSP_DM [4:1], USP_DM
USB3.0 interface
DSP_SSTX+[4:1], DSP_SSTX- [4:1], DSP_SSRX+[4:1], DSP_SSRX-[4:1],
USP_SSTX+,USP_SSTX-,USP_SSRX+, USP_SSRXLDO interface
LDO_V5_IN, V33_OUT
Switching Regulator interface
SWR_V5_IN, SWR_OUT
(1)
Use open drain output buffer by default when configured as active low. If configured as active high by
F/W, it will use the 3.3V output buffer instead.
(2)
The pull-up resistors are only valid when the ‘power switch’ mode is selected.
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V1.2
RTS5411
5. Electrical Characteristics
5.1 Absolute Maximum Ratings
Parameter
Power supply voltage
Input voltage
(1)
Symbol
Condition
Rating
V5IN
5.5
V
VAV12,VDV12
-0.2 to 1.4
V
VDV33
-0.5 to 4.1
V
VI
3V buffer
-0.5 to VDV33+0.5
V
-0.5 to +6
V
-0.5 to VDV33+0.5
V
6
mA
12
mA
5V buffer
Open drain buffer
Output voltage
(2)
VO
Output current
(3)
IO
Storage temperature
4mA Type
(4)
8mA Type
(4)
Tstg
Latch up Current
Electrostatic Discharge Voltage
(HBM)
(1)
Units
-20 to +80
°C
±400
mA
±5
KV
This parameter indicates voltage exceeding which damage or reduced reliability will occur when power
is applied to an input pin.
(2)
This Parameter indicates voltage exceeding which damage or reduced reliability will occur when power
is applied to an output pin.
(3)
This parameter indicates absolute tolerance values for DC current to prevent damage or reduced
reliability when current flows out of or into output pin.
(4)
The output driving strength of all output is 4mA by default, which can be configured as 8mA by firmware
through executing external codes.
5.2 Recommended Operating Ranges
Parameter
Power supply voltage
Symbol
Condition
V5IN
Active
VAV12,VDV12
Disconnect / Suspend
VDV33
Available current of 3.3V power
(1)
supply for external circuits
Operating ambient temperature
Absolute maximum junction
temperature
Surface Temperature of body
(1)
Min.
Typ.
Max.
Units
4.45
5
5.25
V
1.08
1.2
1.32
V
1.0
1.08
1.32
V
2.97
3.3
3.63
V
150
mA
V5IN=5V
TA
0
+70
°C
TJ
0
+125
°C
PCB Layer:4L
0
+87.95
°C
PCB Layer:2L
0
+93.47
°C
TC
Load current of external circuits shouldn’t exceed the max value when using on-chip LDO. It is
recommended that the external circuits are limited to SPI Flash and LEDs
Realtek Semiconductor Corp.
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V1.2
RTS5411
5.3 DC Characteristics
5.3.1 DC Characteristics except USB differential signals
The following specifications apply when power supply voltages are within the recommended
operating ranges in section 6.2.
Parameter
(1)
Input leakage current
Input High Voltage
Symbol
II
VIH
Input Low Voltage
VIL
Output High Voltage
VOH
Output Low Voltage
VOL
TRI-STATE Output Leakage
(2)
Current
Input pin Capacitance
IOZ
(1)
Conditions
3V buffer,
VI=VDV33 or GND
5V buffer,
VI=V5IN or GND
3V buffer,
Min.
Max.
Units
-0.5
+0.5
µA
-30
+30
µA
2
V
5V buffer
3V buffer
5V buffer
3.06
V
V
V
0.8
0.8
0.9VDV33
3.3V buffer,
Vo= VDV33 or GND
V
0.1VDV33
V
+0.5
µA
-0.5
Cin
10
pF
This parameter indicates the current that flows through the input pin when power supply voltage is
supplied to it.
(2)
This parameter indicates the current that flows through the output pin in tri-stated when the power supply
voltage is applied to it.
5.3.2 USB 2.0 Interface DC Characteristics
RTS5411 conforms to DC characteristics of Universal Serial Bus 2.0 Specification. Refer to the
specification for more information.
5.3.3 USB 3.0 Interface DC Characteristics
RTS5411 conforms to DC characteristics of Universal Serial Bus 3.0 Specification. Refer to the
specification for more information.
5.4 AC Characteristics
5.4.1 System Clock
The following specifications apply when power supply voltages and operating temperature are
within the recommended operating ranges in section 5.2.
Parameter
Clock frequency
Symbol
FCLK
Condition
Crystal
(1)
Min.
Typ.
Max.
Units
-100ppm
12
100ppm
MHz
(1) Crystal used shall conform to the frequency ratings in the table over the temperature from 0°C to +70°C.
Realtek Semiconductor Corp.
11
V1.2
RTS5411
5.5 Power Consumption
The following consumption value applies upon the typical condition without on-chip LDO and
Switch Regulator operating. The VDD33 and VDD12 are powered externally.
TA= 25°C, VDD33(VDV33)= 3.3 V, VDD12(VAV12,VDV12)= 1.2 V.
Device
Connection
Typical
Supply Current(mA)
VDD12
VDD33
Condition
Typical
Power(mW)
(1)
3.9
9.8
1.5
(4)
3.5
(3)
6.2
12.8
31.0
16.8
92.6
Hub is connected to host controller both with
SuperSpeed and High-Speed. Low-Speed
data transfer on the four ports.
31.0
4.9
53.4
Hub is connected to host controller both with
SuperSpeed and High-Speed. High-Speed
data transfer on the four ports.
99.7
4.3
133.8
4 SS devices
Hub is connected to host controller both with
SuperSpeed and High-Speed. Super-Speed
(3)
data transfer on the four ports.
118.6
(6)
442.2
2 SS devices
Hub is connected to host controller both with
SuperSpeed and High-Speed. Super-Speed
(3)
data transfer on the two ports.
76.5
(6)
266.6
1 SS devices
Hub is connected to host controller both with
SuperSpeed and High-Speed. Super-Speed
(3)
data transfer on one port.
4 SS/HS
devices
Hub is connected to host controller both with
SuperSpeed and High-Speed. Four
SuperSpeed hubs are connected on all ports
under SuperSpeed and High-Speed data
(3)
transfer.
178.4
(6)
536.6
No Upstream
connection
Suspend
4 FS devices
4 LS devices
4 HS devices
Hub is not connected to host controller.
0.75
0.9
(2)
2.7
Hub is connected to host controller both with
SuperSpeed and High-Speed. SuperSpeed
hub goes into U3 state and USB2.0 hub goes
into L2 state
1.0
Hub is connected to host controller both with
SuperSpeed and High-Speed. Full-Speed
data transfer on the four ports.
(5)
38.8
(6)
47.2
(5)
270.4
686.4
(5)
25.4
(6)
30.4
(5)
175.6
420.2
56.4
(6)
181.8
(5)
18.7
(6)
22.0
(5)
129.4
290.8
(5)
37.5
(6)
45.9
(5)
337.8
795.4
(1)
Charging mode is disabled
(2)
Charging mode is enabled
(3)
CDP function is disabled. The VDD33 power consumption will also decrease by 1mA in SS devices
connection when CDP function is disabled
(4)
CDP function is enabled.
(5)
The SS devices under test support U1/U2 function. When the SS devices are Idle with little data transfer.
The SuperSpeed hub will keep in U1/U2 power saving status most of the time.
(6)
The SS devices under test do not support U1/U2 function. So this is the worst case for SS power
consumption
Realtek Semiconductor Corp.
12
V1.2
RTS5411
The following consumption value applies upon the typical condition with on-chip LDO and Switch
Regulator operating. Only VDD5 needs to be provided in this 5V mode.
TA= 25°C, VDD5( V5IN) = 5 V.
Device
Connection
No Upstream
connection
Suspend
Typical
Supply
Current(mA)
VDD5
Condition
Hub is not connected to host controller.
Typical
Power(mW)
2.1
(2)
4.1
(1)
10.5
20.5
(3)
Hub is connected to host controller both with
SuperSpeed and High-Speed. SuperSpeed
hub goes into U3 state and USB2.0 hub goes
into L2 state
2.5
(4)
4.5
12.5
22.5
Hub is connected to host controller both with
SuperSpeed and High-Speed. Full-Speed
data transfer on the four ports.
27.8
139.0
Hub is connected to host controller both with
SuperSpeed and High-Speed. Low-Speed
data transfer on the four ports.
16.9
84.5
Hub is connected to host controller both with
SuperSpeed and High-Speed. High-Speed
data transfer on the four ports.
35.6
178.0
4 SS devices
Hub is connected to host controller both with
SuperSpeed and High-Speed. Super-Speed
(1)
data transfer on the four ports.
76.4
(6)
182.6
2 SS devices
Hub is connected to host controller both with
SuperSpeed and High-Speed. Super-Speed
(1)
data transfer on the two ports.
50.8
(6)
110.6
1 SS devices
Hub is connected to host controller both with
SuperSpeed and High-Speed. Super-Speed
(1)
data transfer on one port.
37.4
(6)
76.8
4 SS/HS
devices
Hub is connected to host controller both with
SuperSpeed and High-Speed. Four
SuperSpeed hubs are connected on all ports
under SuperSpeed and High-Speed data
(1)
transfer.
93.8
(6)
216.6
4 FS devices
4 LS devices
4 HS devices
(5)
382.0
913.0
(5)
254.0
553.0
(5)
187.0
384.0
(5)
469.0
1083.0
(1)
Charging mode is disabled
(2)
Charging mode is enabled
(3)
CDP function is disabled. The VDD33 power consumption will also decrease by 1mA in SS devices
connection when CDP function is disabled
(4)
CDP function is enabled.
(5)
The SS devices under test support U1/U2 function. When the SS devices are Idle with little data transfer.
The SuperSpeed hub will keep in U1/U2 power saving status most of the time.
(6)
The SS devices under test do not support U1/U2 function. So this is the worst case for SS power
consumption
Realtek Semiconductor Corp.
13
V1.2
RTS5411
The following consumption value applies upon the typical condition with on-chip Switch
Regulator operating. Only VDD33 needs to be provided in this 3.3V mode.
TA= 25°C, VDD33(VDV33) = 3.3 V.
Device
Connection
No Upstream
connection
Suspend
Typical
Supply
Current(mA)
VDD33
Condition
Hub is not connected to host controller.
Typical
Power(mW)
2.0
(2)
4.0
(1)
6.6
13.2
(1)
Hub is connected to host controller both with
SuperSpeed and High-Speed. SuperSpeed
hub goes into U3 state and USB2.0 hub goes
into L2 state
2.4
(2)
4.4
7.9
14.5
Hub is connected to host controller both with
SuperSpeed and High-Speed. Full-Speed
data transfer on the four ports.
32.9
108.6
Hub is connected to host controller both with
SuperSpeed and High-Speed. Low-Speed
data transfer on the four ports.
20.3
67.0
Hub is connected to host controller both with
SuperSpeed and High-Speed. High-Speed
data transfer on the four ports.
48.6
160.4
4 SS devices
Hub is connected to host controller both with
SuperSpeed and High-Speed. Super-Speed
(1)
data transfer on the four ports.
89.4
(6)
244.8
2 SS devices
Hub is connected to host controller both with
SuperSpeed and High-Speed. Super-Speed
(1)
data transfer on the two ports.
59.6
(6)
146.6
1 SS devices
Hub is connected to host controller both with
SuperSpeed and High-Speed. Super-Speed
(1)
data transfer on one port.
4 SS/HS
devices
Hub is connected to host controller both with
SuperSpeed and High-Speed. Four
SuperSpeed hubs are connected on all ports
under SuperSpeed and High-Speed data
(1)
transfer.
114.9
(6)
295.2
4 FS devices
4 LS devices
4 HS devices
(5)
295.0
807.8
(5)
196.7
483.8
44.5
(6)
101.2
(5)
146.9
334.0
(5)
379.2
974.2
(1)
Charging mode is disabled
(2)
Charging mode is enabled
(3)
CDP function is disabled. The VDD33 power consumption will also decrease by 1mA in SS devices
connection when CDP function is disabled
(4)
CDP function is enabled.
(5)
The SS devices under test support U1/U2 function. When the SS devices are Idle with little data transfer.
The SuperSpeed hub will keep in U1/U2 power saving status most of the time.
(6)
The SS devices under test do not support U1/U2 function. So this is the worst case for SS power
consumption
Realtek Semiconductor Corp.
14
V1.2
RTS5411
5.6 Power On/Off Sequence
When the on-chip LDO and switch regulator are not used, both 1.2V and 3.3V power need to be
provided externally. The power on/off sequence between 1.2V and 3.3V need to be noticed as in Figure
5-1. During power on, it is recommended that the point where both power supplies are stabilized should
be no later than 50ms after the start of the 3.3V rising. During power off, the end of 1.2V falling should be
no later than 350ms after the start of 3.3V falling. Meanwhile, the falling time (0.9VDD to 0.1VDD) of 3.3V
power should be no less than 50us. During the whole process, the voltage of 3.3V power should be
always above the 1.2V power.
When the 5V to 3.3V LDO is used and 1.2V power is provided externally. The power on/off sequence
between 1.2V and 5V should be as the same as the sequence between 1.2V and 3.3V mentioned
above.
3.3V
0.9VDD
1.2V
0.1VDD
0.9VDD
0.1VDD
GND
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