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UCS1002-2 데이터시트 PDF




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부품번호 UCS1002-2 기능
기능 Programmable USB Port Power Controller
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UCS1002-2 데이터시트, 핀배열, 회로
UCS1002-2
Programmable USB Port Power Controller
with Charger Emulation
PRODUCT FEATURES
Datasheet
General Description
The UCS1002 provides a USB port power switch for
precise control of up to 2.5 amperes continuous current
with over-current limit (OCL), dynamic thermal
management, latch or auto-recovery (low test current)
fault handling, selectable active low or high enable,
under- and over-voltage lockout, back-drive protection,
and back-voltage protection.
Split supply support for VS and VDD is an option for low
power in system standby states. This gives battery
operated applications, like notebook PCs, the ability to
detect attachments from a sleep or off state. After the
Attach Detection is flagged, the system can decide to
wake up and/or provide charging.
In addition to power switching and current limiting
modes, the UCS1002 will automatically charge a wide
variety of portable devices, including USB-IF BC1.2,
YD/T-1591 (2009), most Apple® and RIM®, and many
others. Nine preloaded charger emulation profiles
maximize compatibility coverage of peripheral devices.
As well, a customizable charger emulation profile is
available to accommodate unique existing and future
portable device handshaking / signature requirements.
This custom profile uses a unique stimulus and
response method referenced below.*
The UCS1002 also provides current monitoring to allow
intelligent management of system power and a Battery
Full option for controlled delivery of current regardless
of the host power state. This is especially important for
battery operated applications that want to provide power
in a standby and/or off state but do not want to drain the
battery excessively.
The UCS1002 is available in a 20-pin QFN 4 mm x
4 mm package.
Applications
Notebook and Netbook Computers
Tablets and E-book readers
Desktops and Monitors
Docking Stations and Printers
AC-DC wall adapters
Features
Port power switch with two current limit behaviors
— 2.9 V to 5.5 V source voltage range
— Up to 2.5 A current with 55 mΩ On Resistance
— Over-current trip or constant current limiting
— Soft turn-on circuitry
— Programmable current limit
— Dynamic thermal management
— Under- and over-voltage lockout
— Back-drive, back-voltage protection
— Latch or auto-recovery (low test current) fault handling
— Selectable active high or low power switch enable
— BC1.2 VBUS discharge port renegotiation function
Selectable / automatic cycling of USB data line
charger emulation profiles
— Customizable emulation profile uses a unique stimulus
and response method useful for future profiles*
— Supports 12W charger emulation
— Allows for active cables
— USB-IF BC1.2 charging downstream port (CDP) &
dedicated charging port (DCP) modes, YD/T-1591, and
most Apple and RIM protocols standard; others as
defined via the SMBus 2.0 / I2C®
— USB 2.0 compliant high-speed data switch (in Pass-
through and CDP modes)
— Nine preloaded charger emulation profiles for maximum
compatibility coverage of peripheral devices
— One custom programmable charger emulation profile
for portable device support for fully host controlled
charger emulation
Fault Alert open-drain output
Self-contained current monitoring
Low power Attach Detection and open-drain A_DET#
pin
Ultra low power Sleep state
Optional split supply support for VBUS and VDD for
low power in system standby states
Wake on Attach USB
SMBus 2.0 / I2C communications
— Supports Block Write and Read
— Multiple SMBus addresses
Wide operating temperature range: -40 °C to +85 °C
IEC61000-4-2 8 / 15 kV ESD immunity
UL recognized and EN/IEC 60950-1 (CB) certified
* Unique technology covered under the following US patents pending: 13/109,446; 13/149,529; 13/173,287; 13/233,949; 13/157,282;
12/978,371; 13/232,965.
SMSC UCS1002
DATASHEET
Revision 1.4 (07-16-13)




UCS1002-2 pdf, 반도체, 판매, 대치품
Programmable USB Port Power Controller with Charger Emulation
Datasheet
Table of Contents
Chapter 1 Terms and Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Chapter 2 Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Chapter 3 Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.1 ESD & Transient Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.1.1 Human Body Model (HBM) Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.1.2 Charged Device Model (CDM) Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.1.3 IEC61000-4-2 Performance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Chapter 4 Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4.1 Operating Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4.2 SMBus Operating Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
4.2.1 System Management Bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
4.2.2 SMBus and I2C Compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
4.2.3 SMBus Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
4.2.4 I2C Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
4.3 Stand-alone Operating Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Chapter 5 General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
5.1 UCS1002 Power States. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
5.1.1 Off State Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
5.1.2 Sleep State Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
5.1.3 Detect State Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
5.1.4 Active State Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
5.1.5 Error State Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
5.2 Supply Voltages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
5.2.1 VDD Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
5.2.2 VS Source Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
5.2.3 Back-voltage Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
5.2.4 Back-drive Current Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
5.2.5 Under-voltage Lockout on VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
5.2.6 Over-voltage Detection and Lockout on VS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
5.3 Discrete Input Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
5.3.1 COMM_SEL /ILIM Input. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
5.3.2 SEL Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
5.3.3 M1, M2, and EM_EN Inputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
5.3.4 PWR_EN Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
5.3.5 Latch Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
5.3.6 S0 Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
5.4 Discrete Output Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
5.4.1 ALERT# and A_DET# Output Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
5.4.2 Interrupt Blanking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Chapter 6 USB High-speed Data Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
6.1 USB High-speed Data Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
6.1.1 USB-IF High-speed Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Revision 1.4 (07-16-13)
4
DATASHEET
SMSC UCS1002

4페이지










UCS1002-2 전자부품, 판매, 대치품
Programmable USB Port Power Controller with Charger Emulation
Datasheet
List of Tables
Table 1.1 Terms and Abbreviations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Table 2.1 UCS1002 Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Table 2.2 Pin Types. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Table 3.1 Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Table 3.2 Power Dissipation Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Table 3.3 Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Table 3.4 ESD Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Table 4.1 UCS1002 Communication Mode and ILIM Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Table 4.2 SEL Pin Decode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Table 4.3 Protocol Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Table 4.4 Write Byte Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Table 4.5 Read Byte Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Table 4.6 Send Byte Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Table 4.7 Receive Byte Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Table 4.8 Block Write Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Table 4.9 Block Read Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Table 4.10 Stand-alone Fault and Attach Detection Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Table 5.1 Power States Control Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Table 7.1 Charge Rationing Behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Table 7.2 Charge Rationing Reset Behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Table 7.3 Effects of Changing Rationing Behavior after Threshold Reached . . . . . . . . . . . . . . . . . . . . . 55
Table 9.1 Active Mode Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Table 9.2 Current Limit Mode Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Table 10.1 Register Set in Hexadecimal Order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Table 10.2 Current Measurement Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Table 10.3 Total Accumulated Charge Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Table 10.4 Status Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Table 10.5 EM_STEP Bit Decode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Table 10.6 PWR_STATE Bit Decode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Table 10.7 Configuration Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Table 10.8 EM_RESET_TIME Bit Decode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Table 10.9 Discharge Time Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Table 10.10Attach / Removal Detection Threshold Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Table 10.11Current Limit Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Table 10.12ILIM_SW Bit Decode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Table 10.13Charge Rationing Threshold Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Table 10.14Auto-recovery Configuration Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Table 10.15tCYCLE Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Table 10.16TRST_SW Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Table 10.17VTST_SW Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Table 10.18IBUS_CHG Configuration Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Table 10.19tDET_CHARGE Configuration Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Table 10.20DC_TEMP_SET Bit Decode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Table 10.21DET_CHARGE_SET Bit Decode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Table 10.22Preloaded Emulation Enable Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Table 10.23Preloaded Emulation Timeout Configuration Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Table 10.24X_EM_TIMEOUT Bit Decode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Table 10.25Preloaded Emulation Configuration Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Table 10.26Applied Emulation Selection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Table 10.27Stimulus Delay Time Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
SMSC UCS1002
7
DATASHEET
Revision 1.4 (07-16-13)

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관련 데이터시트

부품번호상세설명 및 기능제조사
UCS1002-1

Programmable USB Port Power Controller

SMSC Corporation
SMSC Corporation
UCS1002-2

Programmable USB Port Power Controller

SMSC Corporation
SMSC Corporation

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