Details, datasheet, quote on part number: TPS2549RTET
PartTPS2549RTET
CategorySemiconductors => Power Management => USB Power and Charging Port Controllers => USB Charging Port Controllers
Part familyTPS2549 USB Charging Port Controller and Power Switch
TitleIC USB PORT CHARGE CTLR 16WQFN
DescriptionUSB Charging Port Controller and Power Switch 16-WQFN -40 to 125
CompanyTexas Instruments Inc.
StatusACTIVE
ROHSCompliant
SampleNo
DatasheetDownload TPS2549RTET datasheet
Specifications 
Package GroupWQFN
Approx. Price (US$)1.19 | 1ku
Vin(Min)(V)4.5
Continuous Current(Max)(A)3
RatingCatalog
Operating Temperature Range(C)-40 to 125
Number of Switches1
Fault ResponseRetry
Vin(Max)(V)6.5
Current Limit(A)0.25 to 3.4
EnableActive High
rDS(on) per FET(Typ)(mOhms)47
  Mecanical Data
Pin nbPackage typeInd stdJEDEC codePackage qtyCarrierDevice markWidth (mm)Length (mm)Thick (mm)Pitch (mm)
16RTEWQFNS-PQFP-N250SMALL T&R2549 33.75.5
Evaluation Kits
TPS2549Q1EVM-729: TPS2549Q1EVM Automotive USB Charging Port Controller & Power Switch Evaluation Module

Others parts numbering
TPS2549IRTETQ1
TPS2549RTER
TPS2549Q1EVM-729: EVAL BOARD FOR TPS2549

 

Features, Applications

TPS2549 USB Charging Port Controller and Power Switch With Cable Compensation

to 6.5-V Operating Range 47-m (typical) High-Side MOSFET 3-A Maximum Continuous Output Current 5% CS Output for Cable Compensation CDP Mode per USB Battery Charging Specification 1.2 Automatic DCP Modes Selection: Shorted Mode per BC1.2 and YD/T 2.7-V Divider 3 Mode 1.2-V Mode D+ and D Client Mode for System Update D+ and D Short-to-VBUS Protection D+ and D 8-kV Contact and 15-kV Air Discharge ESD Rating (IEC 61000-4-2) UL Recognition and CB Certification Pending to 125C Junction Operating Temperature 16-Pin QFN 3-mm) Package

heavy charging currents. This is important in systems with long USB cables where significant voltage drops can occur while fast-charging portable devices. The TP2549 47-m power switch has two selectable, programmable current limits that support port power management by providing a lower current limit that can be used when adjacent ports are experiencing heavy loads. This is important in systems with multiple ports and an upstream supply unable to provide full current to all ports simultaneously. The DCP_Auto scheme detects and selects the proper D+ and D settings to communicate with the attached device, so that it can fast-charge at full current. The integrated CDP detection enables to 1.5-A fast charging of most portable devices with simultaneous data communication. The unique client-mode feature allows software updates to client devices, but avoids power conflicts by turning off the internal power switch while keeping the data line connection. Additionally, the TPS2549 device integrates short-toVBUS protection for D+ and D to prevent damage when D+ and/or D unexpectedly short to VBUS. To save space in the application, the TPS2549 device also integrates ESD protection to pass IEC61000-4-2 without external circuitry on D+ and D. Device Information(1)

USB Ports (Host and Hubs) Wall Charging Adapters Aftermarket Automotive Chargers

The TPS2549 device is a USB charging port controller and power switch with a current-sense output that is able to control an upstream supply. This allows it to maintain V at the USB port even with heavy

(1) For all available packages, see the orderable addendum at the end of the data sheet.

5V Voltage Regulator TPS54340 FB R(G) GND Power S witch EN Mode Select I/O R(FA) C(COMP) R(FAULT) FAULT R(FB) FAULT STATUS CTL2 CTL3 ILIM_LO ILIM_HI DM_OUT DP_OUT R_HI To Host Controller R_LO R(STATUS) IN TPS2549 DM_IN DP_IN GND OUT C(OUT) R(CABLE2)

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA.

Features.................................................................. Applications........................................................... Description............................................................. Revision History..................................................... Pin Configuration and Functions......................... Specifications.........................................................

Absolute Maximum Ratings...................................... ESD Ratings.............................................................. Recommended Operating Conditions....................... Thermal Information.................................................. Electrical Characteristics........................................... Switching Characteristics.......................................... Typical Characteristics..............................................

Documentation Support........................................ Receiving Notification of Documentation Updates Community Resources.......................................... Trademarks........................................................... Electrostatic Discharge Caution............................ Glossary................................................................

DATE September 2016 REVISION * NOTES Initial release.
Submit Documentation Feedback Product Folder Links: TPS2549

PIN NAME CTL2 CTL3 DM_IN DM_OUT DP_IN DP_OUT EN FAULT GND ILIM_HI ILIM_LO IN OUT STATUS Thermal pad (1) NO. TYPE (1) I/O PWR O D data line to downstream connector D data line to upstream USB host controller D+ data line to downstream connector D+ data line to upstream USB host controller Logic-level control input for turning the power switch and the signal switches on/off. When EN is low, the device is disabled, the signal and power switches are OFF. Active-low open-drain output, asserted during overtemperature, overcurrent, and DP_IN and DM_IN overvoltage conditions. See Table 1. Ground connection; should be connected externally to the thermal pad. Connect external resistor to ground to set the high current-limit threshold. Connect external resistor to ground to set the low current-limit threshold and the loaddetection current threshold. Input supply voltage; connect F or greater ceramic capacitor from IN to GND as close to the IC as possible. Power-switch output Active-low open-drain output, asserted when the load exceeds the load-detection threshold Thermal pad on bottom of package. The thermal pad is internally connected to GND and is used to heat-sink the device to the circuit board. Connect the thermal pad to the GND plane. Logic-level control inputs for controlling the charging mode and the signal switches; (see Table 2). These pins tie directly IN or GND without a pullup or pulldown resistor. DESCRIPTION Provide sink current proportional to output current. For cable compensation, connect to the feedback divider of the up-stream voltage regulator.


 

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