Ordering number : ENA2221 LC824204-13YB 4:1 Micro USB Switch with Accessory detection and OVP http://onsemi.com Overview The LC824204-13YB is the IC suitable for use in multi function and high performance switch as well as compatible accessory detector which supports micro USB connector for DSC, DVC and mobile phone. This IC includes low impedance USB supply switch (100 mΩ) which enables high speed battery charge as well as USB2.0-capable switch with low input capacitance, negative input-capable low distortion audio switch, UART, microphone (Mono, Stereo), and various video signal switches. Also, this IC integrates auto detector for accessories which is capable of detecting accessories compliant to CEA936-A automotive kit and ACA standard which includes MCPC standard established in June 2010. In addition, it’s capable of detecting a lot of charger accessories, such as Dedicated (D+/D- short) charger, Apple charger, SONY charger, USB charger and so on. Switching operation is controlled via I2C serial interface. Function WLP25(2.07X2.07) Battery Baseband LDO OVP UVLO OCP VBUS I 2C USB-PHY Audio Codec I2C CTL (LOAD FET) Battery Charger IC VBUS-SW LC824204-13YB ■ Configuration • Audio-SW (Mono/Stereo, Negative signal capable) • USB2.0-SW (LowSpeed/FullSpeed/HighSpeed-capable) • UART-SW • Video-SW (Video + V_Audio-R/L) • MIC-SW (DP/VBUS switch, Mono/Stereo-capable) • VBUS-SW - High speed battery charge –capable (100mΩ) - Integrated OVP, OCP, TSD - DP/DM short-circuit detection, VBUS auto detection - Various charger detection (Dedicated, Apple, SONY, USB) • ID detection function - Integrated 5-bit ADC - I2C Interrupt function ■ Package • WLCSP Pin25, 2.07 mm 2.07 mm, 0.4 mm pitch • Halogen-free, lead-free-capable ■ Operating temperature • 30 to 85C ■ Supply voltage • VDD : 3.0 to 3.6 V • VBUS : 4.5 to 5.5 V ■ ID detection for the accessories • MCPC standard, CEA936-A automotive kit standard, ACA standard-compliant ■ Application • DSC, DVC, mobile phone Charger Detect Switch Array ID Detect ID D+ D- Application Diagram ORDERING INFORMATION See detailed ordering and shipping information on page 14 of this data sheet. Semiconductor Components Industries, LLC, 2013 October, 2013 Ver. 1.0 O2313HK 20130621-S00001 No.A2221-1/14 LC824204-13YB Block Diagram LC824204-13YB Test Circuit VBUS VBUSOUT VDD Over Current Protect Gate control Charge Pump VBUS Detector CHG_DETB B/ B I2C_SCL I2C_SDA INTB ID Detector (5bit ADC) I2C Serial controller OVP UVLO Vref ID Charge Detector RESETB PHY TSD VBUS- SW (LOAD FET) Switch Selector Pullup- Down Reg cont. DP_HOST DP HPR VDD Audio codec MIC_R (V_HPR) VDD RXD Micro-USB connector POWER TEST DM_HOST DM HPL VDD MIC_L (V_HPL) VDD UART VDD TXD VDD MIC Video VIDEO GND No.A2221-2/14 LC824204-13YB Pin Assignment Top Through View A VDD VBUSOUT VBUSOUT VBUS VBUS B I2C_SDA MIC_L (V_HPL) HPL DM_HOST DM C I2C_SCL MIC_R (V_HPR) HPR DP_HOST DP D INTB CHG _DETB MIC VIDEO ID E RXD TXD TEST RESETB GND 1 2 3 4 5 Pin Description Ball No. Name Direction 1A VDD P Power Supply for SW-IC Description 4A,5A VBUS P/I Power Supply for USB and Battery, MIC input 5E GND P Ground 2A,3A VBUSOUT O Output from VBUS 5D ID I/O ID input, Video output 2D CHG_DETB O Charger Detection output* 5C DP I/O USB bath/Audio output, MIC/MIC_R input, UART output* 5B DM I/O USB bath/Audio output, MIC_L input, UART input 4B DM_HOST I/O USB differential data I/O minus 4C DP_HOST I/O USB differential data I/O plus 3C HPR I Audio Right input (Video Audio Right input) 3B HPL I Audio Left input (Video Audio Left input) 1E RXD O UART receive data output* 2E TXD I UART transmission data input 3D MIC O MIC output 4D VIDEO I Video input 2C MIC_R (V_HPR) I/O Stereo MIC R output (Video Audio Right input ) 2B MIC_L (V_HPL) I/O Stereo MIC L output (Video Audio Left input ) 1C I2C_SCL I I2C Serial Clock signal 1B I2C_SDA I/O I2C Serial Data signal* 1D INTB O Interrupt signal* 4E RESETB I Hard Reset input (Low active) 3E TEST I Test pin Notice) If Video function is not needed, please use the port of Video as NC pins. No.A2221-3/14 LC824204-13YB Absolute Maximum Ratings at Ta = 25C Parameter Maximum supply voltage Unit VDD 0.3 to 4.6 V VBUS 0.3 to 28.0 V USB_Path 0.5 to 4.6 V UART_Path 0.3 to 4.6 V AUDIO_Path 1.5 to 4.6 V AUDIO Input Range 3.0 Vpp MIC(DP)_Path 0.5 to 4.6 V MIC(DP) Input Range 2.0 Vpp VBUS ↔ MIC Pin MIC(VBUS)_Path 0.3 to 4.6 V MIC(VBUS) Input Range 2.0 Vpp DP/DM pin ↔ Signal pin Stereo-MIC_Path Stereo-MIC Input Range 0.5 to 4.6 2.0 Vpp DP/DM pin ↔ Signal pin Maximum input /output voltage Ratings VIDEO pin ↔ ID pin Maximum input/output voltage Allowable loss 2) Operating temperature range V VIDEO_Path 1.5 to 4.6 V VIDEO Input Range 3.0 Vpp VBUSOUT (Output Only) 0.3 to 6.0 V Others1) Pd (Ta = 25C) 0.3 to 4.6 690 V mW Topr 30 to +85 C Tstg 55 to +125 C Storage temperature range Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. *1) The Others means I2C_SCL, I2C_SDA, INTB, RESETB, CHG_DETB, and TEST pin. *2) The values were obtained with glass epoxy board of 50 x 40 x 0.9t mm. Recommended Operating Conditions at Ta = 25C Parameter Symbol Min Max Unit VDD voltage VDD 3.0 3.6 V VBUS voltage VBUS 4.5 5.5 V AUDIO input range VSW_AUDIO 1.4 1.4 V MIC(DP) input range VSW_MICDP 0 2.5 V MIC(VBUS) input range VSW_MICVBUS 0 2.5 V Stereo-MIC input range VSW_SMIC 0 2.5 V VIDEO input range VSW_VIDEO 1.4 1.4 V USB input range VUSBin 0 3.6 V Other signal input * Vin 0 VDD V Allowed capacitance of load of accessory ID pin IDcap 300 pF Condition bias < 2.0 V, 1.0 Vpp bias < 2.0 V, 1.0 Vpp bias < 2.0 V, 1.0 Vpp 1.0 Vpp * Other signal input signifies I2C_SCL, I2C_SDA, RESETB, TEST, TXD and RX (DP) pin. No.A2221-4/14 LC824204-13YB Electrical Characteristics at Ta 25C Parameter Symbol Conditions Min Typ Max Unit IDDS2 VBUS = open, RESETB = 0 V → VDD, I2C_SCL = I2C_SDA = VDD, TEST = 0 V, Others_pin = open - 50 60 μA IDD1 AUDIO-mode (288k) VBUS = open, RESETB = VDD, I2C_SCL = I2C_SDA = VDD, TEST = 0 V, Others_pin = open - 80 100 μA IDD2 USB-mode(open) VBUS = 5.0 V, RESETB = VDD, I2C_SCL = I2C_SDA = VDD, TEST = 0 V, Others_pin = open - 80 100 μA 1.4 - 1.4 V - 6.5 12 Ω ■VDD Current Consumption Sleep Mode Current Active Mode Current (Audio + VBUS MIC-mode) Active Mode Current (USB mode) ■AUDIO-SW Signal Range VIN_LR AUDIO_SW ON Resistance RLR Pull Down Resistance RHPLR 30 50 70 kΩ VIN_USB 0 - 3.6 V 3.2 5 Ω HPR/HPL = -10 mA, DP/DM = -1.3 V, Calculated by R = V / 0.01 ■USB-SW Signal Range RONUSB DP/DM = 0 V, DP_HOST/DM_HOST SINK = 10 mA, Calculated by R = V / 0.01 Signal Range VIN_MIC1 Vbias < 2.0 V, VSW_MICDP = 1.0 Vpp 0 - 2.5 V MIC_SW ON Resistance RMIC1 DP = 0.1 V, MIC = -10 mA, Calculated by R = V / 0.01 - 7.5 15 Ω Pull Down Resistance RPUMIC1 1.2 2.2 3.2 kΩ USB_SW ON Resistance ■MIC-SW (DP Input) ■MIC-SW (VBUS Input) Signal Range VIN_MIC2 Vbias < 2.0 V, VSW_MICB = 1.0 Vpp 0 - 2.5 V MIC_SW ON Resistance RMIC2 VBUS = 0.1 V, MIC = -10 mA, Calculated by R = V / 0.01 - 7.5 15 Ω Pull Down Resistance RPUMIC2 1.2 2.2 3.2 kΩ ■StereoMIC-SW (include DP_MIC) Signal Range VIN_MIC3 Vbias < 2.0 V, VSW_SMIC = 1.0 Vpp 0 - 2.5 V MIC_SW ON Resistance RMIC3 DP/DM = 0.1 V, MIC_R/MIC_L = -10 mA, Calculated by R = V / 0.01 - 7.5 15 Ω Pull Down Resistance RPUMIC3 1.2 2.2 3.2 kΩ ■VIDEO-SW Signal Range VIN_V VSW_VIDEO = 1.0 Vpp 1.4 - 1.4 V VIDEO_SW ON Resistance RV Video = -1.4 V, ID = -10 mA, Calculated by R = V / 0.01 - 4 8 Ω No.A2221-5/14 LC824204-13YB Electrical Characteristics at Ta 25C Parameter Symbol Conditions Min Typ Max Unit Low Level Output Voltage VOL_TX SINK = 1 mA - - 0.4 V Pull Up Resistance RTX 5 10 15 kΩ High Level Input Voltage VIHTXD 1.5 - - V Low Level Input Voltage VILTXD - - 0.7 V Pull Up Resistance RTXD 5 10 15 kΩ High Level Input Voltage VIHRX 1.5 - - V Low Level Input Voltage VILRX - - 0.7 V Pull Up Resistance RRX 5 10 15 kΩ ■UART-SW TX (DM) TXD RX (DP) RXD Low Level Output Voltage VOL_RXD SINK = 1 mA - - 0.4 V RVBUS VBUS = 5.0 V, VBUSOUT = -300 mA, Calculated by R = V / 0.3 - 100 250 mΩ VDD = 3.3 V, VBUS = upper 3.8 4.0 4.2 V VDD = 3.3 V, VBUS = lower 3.0 3.2 3.4 V VOVP VDD = 3.3 V, VBUS = upper & lower 5.8 6.0 6.4 V ICL2 VBUS_ILIMIT = Mid 420 - (700) mA ICL3 VBUS_ILIMIT = High 650 - (1050) mA ICL4 VBUS_ILIMIT = Super 1500 - - mA ■VBUS-SW VBUS_SW ON Resistance UVL Cancel Voltage UVL Detect Voltage VVBUSH _DET VVBUSL _DET OVP Threshold Voltage Charging Current ■ I2C_SCL, I2C_SDA High Level Input Voltage VIH_I2C 1.5 - VDD+0.5 V Low Level Input Voltage VIL_I2C 0.3 - 0.3 V Hysteresis of inputs VHYS_I2C 0.05*VDD - - V High Level Input Voltage VIH_IO 1.5 - - V Low Level Input Voltage VIL_IO - - 0.3 V - - 0.4 V ■ RESETB, TEST ■ I2C_SDA, INTB, CHG_DETB Low Level Output Voltage VOL_I2C SINK = 3 mA No.A2221-6/14 LC824204-13YB Function Description Charger Detection By using charger detector circuit including built-in D+/D- short-circuit detector, you can judge the connection of DP pin and DM pin and then detect charger according to USB Charger and Battery Charging Specification Revision 1.1 as well as CEA936-A automotive kit specification. This IC can detect the charger of the following list. Detectable charger list Standard Downstream Port (USB mode) Dedicated Charging Port (D+/D- short ACC) Apple Charger SONY Charger D- High Charger (Basic CarKit Type1,2 ACC) VBUS only ACC (No Charger Detect) Accessory ID Detection Accessory is detected according to CEA936-A automotive kit and ACA standard including MCPC standard using ID detection circuit including built-in 5-bit ADC. Accessories are judged from the resistance value of accessory (RID) connected to ID pin. ID range of RID varies depends on each standard. See Resistance (RID) and Detectable accessory for the further details. Resistance (RID) and Detectable Accessory RID Detectable Accessory Comments Open No Accessory Open AC Adapter (Fast Charger) (D+/D- : Shorted) Open(over 1M ) USB-Mode (D+/D- : Not shorted) 750k + 47k (759k to 835k) Audio with MIC (Mono) 510k + 47k (531k-583k) Audio (Mono Earphone) + Charger (Std Charger) + MIC (D+ in) (D+/D- : Not shorted) Fast Charger (Typ2 Charger) Charger 5Wire/Type2 (D+/D- : Shorted) Carkit (Type2) BasicCarkit 5Wire/type2 also used for Muting (D- : High) 440k (436k-444k) 390k Video-Audio (379k-408k) Video-Audio with VBUS (D+/D- : Not shorted) Audio with MIC (Stereo) 240k + 47k (275k-294k) Audio with VBUS (Stereo) MIC-SW turns off when VBUS Detection. (D+/D- : Not shorted) No.A2221-7/14 LC824204-13YB Table of Resistance (RID) and Detectable Accessory RID 200k (198k-202k) Detectable Accessory Comments Std Charger (Typ1Charger) Charger 5Wire/Type1 (D+/D- : Shorted) Carkit (Type1) BasicCarkit 5Wire/type1 also used for Muting (D- : High) 150k-180k UART 119k-124k-132k RID_A 100k-102k (96k-106k) Audio (Stereo) 65k-68k-72k RID_B 35k-36.5k-39k RID_C 20k Custom Accessory 14k Stereo-MIC with VBUS 11k Stereo-MIC 7k Custom Accessory with VBUS 4k Custom Accessory 3.1k Custom Accessory with VBUS 2.5k Custom Accessory 1.7k Custom Accessory with VBUS ACA A-device (RID_A) Vbus come fm Charger Headset / Stereo Phone Powered Accessory (D+/D- : Not shorted) ACA B-device, no connect (RID_B) Vbus come fm Charger can SRP ACA B-device, no connect (RID_C) Vbus come fm Charger no SRP D+/D- : Not shorted D+/D- : Not shorted D+/D- : Not shorted D+/D- : Not shorted Video 75 0-10 Video with VBUS D+/D- : Not shorted USB-OTG Host No.A2221-8/14 LC824204-13YB Table of Resistance (RID) and Selecting switch. SW Selection RID Detectable Accessory VBUS USB AUDIO _R AUDIO _L UART MIC_ VBUS MIC_ D+ VIDEO Stereo -MIC No Accessory OFF OFF OFF OFF OFF OFF OFF OFF OFF AC Adapter (Fast Charger) ON OFF OFF OFF OFF OFF OFF OFF OFF USB-Mode ON ON OFF OFF OFF OFF OFF OFF OFF 750k + 47k Audio (with MIC) (Mono) OFF OFF OFF ON OFF ON OFF OFF OFF 510k + 47k Audio (Mono Earphone) +Charger (Std Charger) +MIC (D+ in) ON OFF OFF ON OFF OFF ON OFF OFF Fast Charger (Typ2Charger) ON OFF OFF OFF OFF OFF OFF OFF OFF Carkit (Type2) ON OFF OFF OFF OFF OFF OFF OFF OFF Video-Audio OFF OFF ON ON OFF OFF OFF ON OFF Video-Audio with VBUS ON OFF ON ON OFF OFF OFF ON OFF Audio with MIC (Stereo) OFF OFF ON ON OFF ON OFF OFF OFF Audio with VBUS (Stereo) ON OFF ON ON OFF OFF OFF OFF OFF Std Charger (Typ1Chager) ON OFF OFF OFF OFF OFF OFF OFF OFF Carkit (Type1) ON OFF OFF OFF OFF OFF OFF OFF OFF 150k-180k UART OFF OFF OFF OFF ON OFF OFF OFF OFF 119k-124k132k RID_A ON ON OFF OFF OFF OFF OFF OFF OFF Audio (Stereo) :Headset / Stereo OFF OFF ON ON OFF OFF OFF OFF OFF Audio (Stereo) *1) Phone Powered Accessory OFF OFF ON ON OFF OFF OFF OFF OFF 65k-68k-72k RID_B ON OFF OFF OFF OFF OFF OFF OFF OFF 35k-36.5k39k RID_C ON ON OFF OFF OFF OFF OFF OFF OFF - - - - - - - - - Open 440k 390k 240k + 47k 200k 100k-102k 20k *2) Custom Accessory 14k Custom Accessory *2) with VBUS - - - - - - - - - 11k Stereo-MIC OFF OFF OFF OFF OFF OFF OFF OFF ON 7k Custom Accessory *2) with VBUS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Custom Accessory *2) with VBUS - - - - - - - - - VIDEO OFF OFF ON ON OFF OFF OFF ON OFF VIDEO with VBUS ON OFF ON ON OFF OFF OFF ON OFF OFF ON OFF OFF OFF OFF OFF OFF OFF 4k 3.1k 2.5k 1.7k 75 0-10 *2) Custom Accessory Custom Accessory *2) with VBUS *2) Custom Accessory USB-OTG Host *1) Note *1) You can only detect RID (you cannot select SW). Note *2) Custom Accessory : User can define SW selection. No.A2221-9/14 SDA SCL Reading SDA SCL Writing 1 1 MSB Start 0 0 0 0 0 ACK A7 A6 A5 A4 A3 A2 A1 A0 Write ACK 0 Register Address Start (NO2) 1 0 0 1 0 0 Stop Register Data (Read) Stop NO_ACK D7 D6 D5 D4 D3 D2 D1 D0 Read ACK 0 ACK Slave Address I2C Transfer Sequence and Timing when reading command orders 0 1 Slave Address 0 Register Data (Write) D7 D6 D5 D4 D3 D2 D1 D0 ACK A7 A6 A5 A4 A3 A2 A1 A0 Write ACK 0 Register Address I2C Transfer Sequence and Timing when writing command orders 0 1 Slave Address I2C Reading Command Order MSB Start I2C Writing Command Order LC824204-13YB I2Cbus timing (serial I/F) No.A2221-10/14 LC824204-13YB 2 *I Cbus timing tF tHIGH tLOW tR tSP SCL tSU.STA tSU.DAT tHD.STA tHD.DAT tSU.STO tSP SDA tBUF Symbol Parameter Min Max Unit tSCL tBUF tHD:STA tLOW tHIGH tR tF tSU:STA tSU:STO tSU:DAT tHD:DAT SCL clock fr. Bus release period Hold time (Start) SCL_Lo period SCL_Hi period Rise time Fall time Setup time (Start) Setup time (Stop) Setup time (Data) Hold time (Data) Removable spike width 0 1.3 0.6 1.3 0.6 400 kHz μs μs μs μs ns ns μs μs ns ns tSP 300 300 0.6 0.6 100 0 50 ns I2C system reset tRSTL RESETB *2) VDD Symbol tRSTL * 1) Parameter resetLow time Min 5 Max Unit μs * 1) RESETB is the reset signal of the group of register by I2C. Therefore, you need Low period for tRSTL after powering VDD. No.A2221-11/14 LC824204-13YB I/O Equivalent Circuit PortName Cuircuit PortName Cuircuit VDD VBUS VBUSOUT HPL HPR VDD 1.5uA (Normal) ID Ext. Accessory MIC_L (V_HPL) MIC_R (V_HPR) MIC VIDEO VDD (VIDEO) DP DM DP_HOST DM_HOST RXD VDD TXD INTB I2C_SCL I2C_SDA VDD CHG_DETB RESETB VDD TEST No.A2221-12/14 LC824204-13YB Application Circuit Example VDDIO 1kΩ~ 1kΩ~ 10kΩ 10kΩ LC824204-13YB 1kΩ~ 10kΩ Battery Charger-IC VBUSOUT 1uF I2C_SCL VDD I2C_SDA B/B 0.1uF INTB RESETB USBPHY LDO Battery + - 1uF Voltage Supervisor DP_HOST DM_HOST CHG_DETB TEST HPR HPL Audio& Video codec V_HPR (MIC_R) V_HPL (MIC_L) VBUS VBUS 0.1uF DM DP DP MIC VIDEO 1uF DM ID Micro-USB connector ID RXD UART TXD GND GND GND Caution: (1) Connect a capacitor higher than 1 μF to VBUSOUT (2) Pull Up supply for CHG_DETB (open drain) should be the same VDD as the LSI. Since Pch protector diode is connected to CHG_DETB, when VDD is OFF, latch up may occur when the signal level turns high by the pull up. (3) Make sure to connect capacitor (C cut) to VIDEO pin. (4) TEST should be either GND or Open. No.A2221-13/14 LC824204-13YB Package Dimensions WLCSP 25pin 2.07 mm 2.07 mm, 0.4 mm pitch unit : mm WLCSP25 2.07x2.07 / WLP25 CASE 567EF ISSUE O ORDERING INFORMATION Device LC824204-13YB-VH Package WLP25(2.07X2.07) (Pb-Free / Halogen Free) Shipping (Qty / Packing) 4000 / Tape & Reel ON Semiconductor and the ON logo are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of SCILLC’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent-Marking.pdf. SCILLC reserves the right to make changes without further notice to any products herein. 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