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STCCUSB charge controller
COMPATIBLE WITH A LARGE VARIETY OF PROPRIETARY MODES• USB2.0and3.0
• BC1.2
• YD/T1591-2009spec
• Apple1A/2A
• Blackberry
• HTC
• Lenovo
• LG
• Motorola
• Nokia
• Samsung
• Sony
• Xiaomi
Testedandvalidatedwithmorethan150ofthelatestphonesandtablets
Charge fast, save power
STCC FEATURES• Integrated2.5A/65mΩpowerswitch
• 1.1GHzlowlossUSB2.0dataswitch
• Portsafety:reversevoltage,reversecurrent,short-circuit,thermal,undervoltage,controlledsoft-startandoutputcircuitdischargeprotections
• 3hourssafetytimer
• Deviceattachandend-of-chargedetectors
• Operatingrange:5V±10%
• SupportIEC61000-4-2±8kVESDcontactdischargeonD+,D-andV
BUS
• Automotivegradeversionavailable
KEY BENEFIT• Fastchargingforsmartphones,tabletsandportableplayers(upto2.5AinsteadofstandardUSB500mA)
• Savepower–noOSneeded:patentedattachdetectfeatureallowSTCCwake-upandchargewhenhostisshutdown,reducingpowerconsumption.Otherchargeremulatorsrequirethehosttobeinworkingorsleepmodetochargethedevice,whichconsumesmorepowerthanwhenthehostisinshutdownmode.
• Easytointegrate:plug-and-playSTCCarchitecture
• Accurateend-of-chargecontrol
• Best-in-classstandbymodeconsumption:10timesbetterthanavailablesolutions
© STMicroelectronics - December 2014 - Printed in United Kingdom - All rights reservedThe STMicroelectronics corporate logo is a registered trademark of the STMicroelectronics group of companies
All other names are the property of their respective owners
For more information on ST products and solutions, visit www.st.comOrder code: FLSTCCUSB1214
AsUSBcharginghasgainedpopularity,the500mAminimumdefinedbytheUSB2.0specificationand900mAdefinedintheUSB3.0specificationhavebecomeinadequateformanyhandsets,tabletsandpersonalmediaplayers(PMP)thathaveahigherratedchargingcurrent.Severalnewstandardshavebeenintroduceddefiningprotocolhandshakingmethodsthatallowhostandclientdevicestoacknowledgeanddrawadditionalcurrentbeyondthe500mA.TheSTCCinternalchargeremulatorallowshighercurrentchargingprofilesbetweenhostandclient,enablingchargecurrentsupto2.5Aandincreasesthechargespeedby5times.Withoutit,thechargewouldfollowstandard500mAUSB2.0requirementsresultinginamuchlongerchargingtimeformostadvancedportableequipment.
Moreover,theSTCC’sintegratedcircuitarchitecturehasbeencustomizedtoallowremoteitsownwake-upwhenthehostisinoffstate.ThisallowstheclienttobechargedwithoutactiveOSandatthesametimeprovidesoptimizedsystemefficiency.Finally,theSTCCenablestheUSBporttoactasachargingportwhilestillfunctioningasadatatransferport.
ST’S CHARGE CONTROLLERS
Product numberEnd-of-charge
detectorSecurity timer Current capability Attach detector Automotive grade Package
STCC2540IQTR Yes No 2.5 A No NoQFN16
3 x 3 x 0.8 mm
STCC5021IQTR Yes Yes 2.5 A Yes No QFN16
3 x 3 x 0.8 mm
ScanthisQR-codetoaccessdocumentationandapplicationnotes
65 mΩpower switch
DC-DC converter
VBUS
USB port
D+
D-
USBtransceiver
Securitytimer
End-of-charge detector
USB portprotection
Attach/detach detector
Chargeemulator
ATTACH_EN CHARGING/ATTACH
DP_IN
DM_IN
OUT
DP_OUT
EN
CTL1
I LIM
V DD
GND
FAUL
T
CTL2
CTL3
DM_OUT
INExposed
thermal padGND
1
2
3
4
12
11
10
9
5 6 7 8
16 15 14 13
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