PI3USB9281 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| USB 2.0 Port Protection with Charger Detection Features Description USB-device charger detector PI3USB9281 provides external detection for any USB- Can tolerate USB3.0-PD with VBUS = 20V device. The part can detect various chargers available in USB Charging-type detection the market, MHL accessories, OTG accessories, and car- Battery Charging 1.2 (BC1.2) – DCP chargers per the CEA936 spec. It also integrates a power Battery Charging 1.2 (BC1.2) – CDP switch with over-voltage and over-current protections. Battery Charging 1.2 (BC1.2) – SDP The VBUSIN input pin can tolerate voltages up to 28V, Apple 1A, 2A, & 2.4A dedicated chargers which is important for USB3.0-PowerDelivery enabled Samsung-Fast chargers ports. The new USB-3.0-PowerDelivery specification YD/T-1951 dedicated chargers supports voltages up to 20V. CEA-936 Carkit#1 and #2 chargers The PI3USB9281 can operate over a temperature range Integrated Power FET of -40 to +85°C. VBUS Tolerance up to 28V Typical applications involve portable & consumer 1.7A Over-Current Protection (OCP) applications, such as tablet, smart phones, digital VBUS Over-Voltage Protection (OVP) cameras, and notebooks with integrated Li-ion batteries Non-charging Accessory Detection that charge via USB connectors. USB On-The-Go (OTG) detection Mobile HDMI Link (MHL) device detection Block Diagram Wide Supply Voltage Range 3V to 5.5V I2C Programmability Small Package: CSP 1.5x2.0-15L Applications Personal Media Players Mobile Phones Tablet Pin Configuration C VBAT INT CHG VBUS OUT VBUS IN B VDDIO SDA SCL ID D- A ENB DNH DPH GND D+ 4 5 1 2 3 Top View Figure 2. PI3USB9281 Block diagram Figure 1 CSP 1.5x2.0-15L with 0.4mm Pitch 2014-04-0004 PT0502-1 1 04/28/14 PI3USB9281 USB 2.0 Port Protection with Charger Detection ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Pin Descriptions Name Type Default State DPH Signal Path Open DNH Signal Path Open Connector Interface ID Signal Path Open Description USB Interface D+ Signal Path Open DSignal Path VBUSIN Power Path Power Interface Open NA VBAT Power VDDIO Power ENB Input GND Power Charger Interface VBUSOUT Power Path Open-Drain CHG Output I2C Interface SCL Input SDA Open-Drain I/O INTB CMOS Output NA NA Hi-Z NA NA Hi-Z Hi-Z Hi-Z LOW D+ signal switch path, dedicated USB port to be connected to the resident USB transceiver on the device D- signal switch path, dedicated USB port to be connected to the resident USB transceiver on the device Connected to the USB connector ID pin and used for detecting accessories Connected to the USB connector D+ pin; depending on the signaling mode Connected to the USB connector D- pin; depending on the signaling mode Input voltage supply pin to be connected to the VBUS pin of the USB connector Input voltage supply pin to be connected to the device battery output or to an internal regulator Baseband processor interface I/O supply pin System enable for the circuit (Active Low) Ground Output voltage supply pin to be connected to the source voltage pin on the charger IC Open-drain active LOW output, used to signal the charger IC that a charger has been attached I2C serial clock signal to be connected to the phone-based I2C master I2C serial data signal to be connected to the phone-based I2C master Interrupt active LOW output used to prompt the phone baseband processor to read the I2C register bits, indicates a change in ID pin status or accessory attach status Maximum Ratings Storage Temperature ................................................................................... -65oC to +150oC Supply Voltage from Battery/Baseband .....................................................-0.5V to +6.5V Supply Voltage from Micro-USB Connector ........................................ -0.5V to +28.0V Switch I/O Voltage USB................................................................................-1.0V to +5.5V Input Clamp Diode current..............................................................................................50mA Charger Detect CHG Pin Sink current .........................................................................30mA Switch I/O Current (Continuous) USB .......................................................................50mA Switch I/O Switch Peak Current (Pulsed at 1ms Duration, <10% Duty Cycle) USB, and All Other Channels ..................................................................................... 150mA Charger FET.............................................................................................................................2A ESD: HBM .....................................................................................................................2000V HB M (USB connector pins: VBUSIN, D+, D+, ID to GND).................6000V Note: Stresses greater than those listed under MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. Recommended operation conditions Symbol VBAT VBAT_TH VBUSIN VDDIO VSW CID TA Parameter Battery Supply Voltage Battery Supply Voltage Threshold VBUSIN Pin Supply Voltage Processor Supply Voltage Switch I/O Voltage USB Path Active Capacitive Load on ID Pin for Reliable Accessory Detection Operating Temperature 2014-04-0004 Min. 3.0 4.0 1.8 0 0 -40 Max. 5.5 3.0 5.5 5.5 3.6 1.0 85 PT0502-1 2 Units V V V V V nF °C 04/28/14 PI3USB9281 USB 2.0 Port Protection with Charger Detection ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Switch Path DC Electrical Characteristics Min and Max apply for T A between -40°C to 85°C and TJ up to +125°C (unless otherwise noted). Typical values are referenced to T A=+25°C Symbol Parameter Test Conditions Min. Typ. Max. USB Data Switches (D+, D-) RONUSB USB Switch On-Resistance ILOAD = 8mA, VD+ / D-= 0V, 0.4V 2.5 3.1 USB Analog Signal Voltage Range VBAT=3.0 to 4.4V 0 3.6 Charging FET Switch VOVP Over-Voltage Protection (OVP) Threshold Voltage RONCHG Charging FET On-Resistance VBUSIN=4.2V-5.0V, ILOAD=1A Over-Current Protection (OCP) IOCP VBUSIN=5V Threshold Current(2) Host Interface Pins (INTB, CHG) VOH Output High Voltage VOL Output Low Voltage Current Consumption ICC ISTANDBY Battery Supply Current Battery Supply Standby Current Power-Off Leakage Current Off Leakage Current Short-Circuit Current(2) IOH=2mA, VBAT=3.0 to 4.4V IOL=10mA, VBAT=3.0 to 4.4V No Accessory Static Current, VBAT=3.6V,VBUSIN=0V With Accessory Static Current, VBAT=3.6V,VBUSIN=0V With Accessory Static Current, VBAT=3.6V,VBUSIN=5V VBAT=3.6V,VBUSIN=0V,ENB=3.6V Test Conditions VBAT=3.8V , f=1MHz 2014-04-0004 6.8 7.2 V - 100 150 mΩ 1.5 1.7 1.9 A - - V - 0.4 V - 20 30 µA - 50 80 µA - - 1 µA - - 1 µA 10 0.1 - µA µA mA Max. - Units pF 0.7× VDDIO - Min. - Typ. 4.0 PT0502-1 3 Ω V 6.2 IOFF VBAT=0V, VSW=0 to 4.4V ION(OFF) VBAT=3.0 to 4.4V, I/O pins=0.3V, 4.1V -0.1 0.001 IIDSHORT VBAT=3.0 to 4.4V, ID=0V 5 Note: 1. On-resistance is the voltage drop between the two terminals at the indicated current through the switch. 2. Limits based on electrical characterization data. Capacitance (TA = -40°C to 85°C) Symbol Parameter CONUSB D+, D- On Capacitance (USB Mode) Units 04/28/14 PI3USB9281 USB 2.0 Port Protection with Charger Detection ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Switch AC Electrical Characteristics Min and Max apply for T A between -40°C to 85°C and TJ up to +125°C (unless otherwise noted). Typical values are referenced to T A=+25°C, VBAT=3.8V. Symbol Parameter Test Conditions Min. Typ. Max. BWUSB -3dB Bandwidth of USB channel 1300 OIRR OFF-Isolation USB Mode f=1MHz, RS=50Ω, CL=0 -70 f=1MHz, RS=50Ω, CL=0 -70 Active Channel XTALK USB Mode Crosstalk D+ to Df=240MHz, RS=50Ω, CL=0 -30 Skew of Opposite Transitions of the Same tr=tf=750ps (10-90%) at tSK(P) 30 Output (USB Mode) 240MHz, CL=0pF, RL=50Ω 2 2 Time When I C_SDA and I C_SCL Both tI2CRST 15 LOW to Cause a Reset Time after INT Mask Cleared to “0” until INTB Goes LOW to Signal the Interrupt tINTMASK 25 after Interruptible Event while INT Mask Bit Set to “1” Time from VBUSIN Valid to VBUSOUT Valid with Charger FET Closed and USB tSDPDET See Figure 6 200 Switches Closed for USB Standard Downstream Port Time from VBUSIN Valid to VBUSOUT Valid tCHGOUT with Charger FET Closed for USB See Figure 4 and Figure 5 200 Charging Ports(CDP and DCP) Time from VBUSIN Valid to Car Kit Type 1 tCARKIT See Figure 8 130 or Type 2 Charger Detected Time from ID Not Floating to INTB LOW tIDDET to Signal Accessory Attached that is ID See Figure 9 100 Resistance-Based Only (VBUSIN Not Valid) Units MHz dB dB ps ms ms ms ms ms ms I2C Controller DC Electrical Characteristics Symbol VIL VIH VHYS VOL1 II2C CI Parameter Low-Level Input Voltage High-Level Input Voltage VDDIO>2V VDDIO<2V Low-Level Output Voltage at 3mA Sink Current (Open- VDDIO>2V Drain) VDDIO<2V Input Current of I2C SDA and SCL Pins, Input Voltage 0.26V to2.34V Capacitance for Each I/O Pin Hysteresis of Schmitt Trigger Inputs Fast Mode (400kHz) Min. Max. -0.5 0.3VDDIO 0.7VDDIO 0.05VDDIO 0.1VDDIO 0 0.4 0.2VDDIO -10 10 10 Units V V V V µA pF I2C AC Electrical Characteristics Symbol fSCL Parameter SCL Clock Frequency Hold Time (Repeated) START Condition LOW Period of SCL Clock HIGH Period of SCL Clock Set-up Time for Repeated START Condition Data Hold Time Data Set-up Time(1) Rsie Time of SDA and SCL Signals(2) Fall Time of SDA and SCL Signals(2) Set-up Time for STOP Condition Bus-Free Time between STOP and START Conditions Pulse Width of Spikes that Must Be Suppressed by the Input Filter Fast Mode (400kHz) Min. Max. 0 400 0.6 1.3 0.6 0.6 0 0.9 100 20+0.1Cb 300 20+0.1Cb 300 0.6 1.3 0 50 Units kHz µs µs µs µs µs ns tHDSTA tLOW tHIGH tSETSTA tHDDAT tSETDAT tr ns tf tSETSTO µs tBUF µs tSP ns Notes: 1. A fast-mode I2C-bus device can be used in a standard-mode I2C-bus system, but the requirement t SETDAT ≥ 250ns must be met. 2014-04-0004 PT0502-1 4 04/28/14 PI3USB9281 USB 2.0 Port Protection with Charger Detection ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| This is automatically the case if the device does not stretch the LOW period of the SCL signal. If such a device does stretch the LOW period of the SCL signal, it must output the next data bit to the SDA line tr_max + tSETDAT = 1000 + 250 = 1250ns (according to the standard-mode I2C bus specification) before the SCL line is released. 2. Cb equals the total capacitance of one BUS line in pF. If mixed with high-speed devices, faster fall times are allowed according to the I2C specification. Definition of Timing for Full-Speed Mode Devices on the I2C Bus Name Slave Address Size (Bits) 8 Table 2. I2C Slave Address Bit 7 Bit 6 Bit 5 Bit 4 0 1 0 0 Bit 3 1 Bit 2 0 Bit 1 1 Bit 0 R/W Table 3 Register Map Address Register Type 01H Device ID Reset Value Bit 7 Read 00000000 Bit 6 Bit 5 Bit 4 Control Bit 2 Version ID : 00010 Reserved: -Read xxx -Write 000 Read/ 00011111 Write Manual Switch 0: Open all 0: Manual Reserved: switches configuration 1: Switch based on detection 03H 05H OVP&OCP OCP Event OVP Event Recovery 0: OVP and/or 0: No OCP 0: No OVP Read/ Interrupt 00000000 OCP event not event event Clear recovered 1: OVP and/or 1: OCP 1: OVP OCP event event event recovered OVP&OCP OCP OVP Interrupt Read/ 00000000 Mask Write 1: Mask OVP&OCP Recovery interrupt Bit 1 1: Mask 1: Mask OCP Event OVP Event interrupt interrupt Bit 0 Vendor ID(Pericom): 000 Switch Open 02H Bit 3 Reserved 1: Automatic configuration Global Interrupt Mask 0: Does not Mask Interrupts 1: Mask Interrupts Reserved Detach Attach 0: No Interrupt Reserved:-Read xxx, -Write 000 Reserved 0: No Interrupt Mask Reserved:-Read xxx, -Write 000 1: accessory 1: accessory detached attached Detach Attach 1: Mask Detach interrupt 1: Mask Attach interrupt To be continued. 2014-04-0004 PT0502-1 5 04/28/14 PI3USB9281 USB 2.0 Port Protection with Charger Detection ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Register Map (Continuously.) Address Register Type Reset Value Device Type 0EH Charger Read 00000000 Status 1BH 1DH Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Reserved USB Charging (DCP) USB Charging (CDP) Car Kit Charger Reserved USB Data (SDP) OTG MHL 0: No Detect 0AH 13H Bit 7 Read 00000000 1: USB 1: USB dedicated charging Reserved charging port downstream (DCP) port (CDP) detected detected Reserved: -Read xxx -Write 000 1: USB standard 1: USB OTG or 1: MHL Reserved downstream Unidentified detected port (SDP) Devices detected detected Apple Charger Type Charger Type 0: No Detect 00: No connection 1: 2.4A 1: 2A 1: 1A 01: Reserved Charger Apple Apple Apple 10: Car Kit charger type1 charger charger charger 11: Car Kit charger Type 2 detected detected detected D+ Connection VBUS Connection 1: USB Car Kit Charger detected D- Connection Manual Read/ 00000000 000: Open D- switch 000: Open D+ switch 00: Open VBUS switch Switch Write 001: D- connected to DNH of USB port 001: D+ connected to DPH of USB port 11: VBUSOUT connected to VBUSIN Reset 0: No Reset Read/ Reset x0001000 Reserved: -Read xxxxxxx, -Write 0000000 1: Reset Write (Always reads 0) VBUSIN Valid Reserved: 0: VBUSIN Not VBUS Read 00000000 Reserved: -Read xxxxxx, -Write 000000 -Read x, Valid -Write 0 1: VBUSIN Valid Note: Register address 04H, 06H, 07H, 08H, 09H, 0BH, 0CH, 0DH, 0FH, 10H, 11H, 12H, 14H, 15H, 16H, 17H, 18H, 19H, 1AH, 1CH, 1EH, 1FH, 20H and 21H are reserved 2014-04-0004 PT0502-1 6 04/28/14 PI3USB9281 USB 2.0 Port Protection with Charger Detection ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Functional Description USB Port Accessory Detection List Summarized below in Table 1 are the types of USB2.0 ports that PI3USB9281 can detect. Table 1. ID and VBUSIN Detection for USB Devices ID Resistance to GND (5) USB VBUS D+ Dswitch Min. Typ. Max. x x x Enable GND GND GND x x x Disable 950Ω 1kΩ 1.05Ω 5V x x Enable 190kΩ 200kΩ 210kΩ 5V x x Enable 419.9kΩ 442kΩ 464kΩ 5V 2V 2.7V Enable 3MΩ Open Open 5V 2.7V 2V Enable 3MΩ Open Open 5V 2.7V 2.7V Enable 3MΩ Open Open 5V (3) (3) Enable 3MΩ Open Open CHG Accessory Detected(1) Hi-z Hi-z LOW LOW LOW LOW LOW OTG MHL Car Kit Type 1 Charger(2) Car Kit Type 2 Charger(2) 1A Apple Charger 2A Apple Charger 2.4A Apple Charger USBBC1.2 DCP mode or Samsung FAST Charger (4) USB BC1.2 CDP Mode USB BC1.2 SDP Mode LOW 5V (3) (3) Enable 3MΩ Open Open LOW 5V (3) (3) Enable 3MΩ Open Open Hi-z Notes: 1. The accessory type is reported in the Device Type 1 (0Ah) and Charger Status (0Eh) registers with each valid accessory detection. 2. Follows the ANSI/CEA-936-A USB Car Kit specification. 3. The PI3USB9281 follows the Battery Charging 1.2 specification, which uses D+ and D- to determine what USB accessory is attached. 4. Samsung 1.2V fast charger will recognize as DCP attachment and enable the fast charging operation. 5. For devices with ID resistance other than those listed in Table 1, PI3USB9281 reports device attachment through I2C to the embedded controller. The Unknown devices are mapped to OTG such that data switches are turned on to allow embedded controller to communicate and identify the unknown devices through USB protocols. 2014-04-0004 PT0502-1 7 04/28/14 PI3USB9281 USB 2.0 Port Protection with Charger Detection ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| USB Port Detection Flowchart Yes ID = GND Standby No No Yes ID = 200kΩ Yes OTG VBUS > 3.4 No ID = 1kΩ Yes MHL No ID = 442kΩ Yes CarKit1 No D+ > 2.35V Yes No D- > 2.35V Yes No 2.4 A Apple Charger CarKit2 2A Apple Charger 1A Apple Charger Yes D- > 2.35V No Primary detect D- = 0.6V Yes Secondary detect D+ = 0.6V No SDP No Yes DCP CDP Figure 3. Accessory detection flowchart 2014-04-0004 PT0502-1 8 04/28/14 PI3USB9281 USB 2.0 Port Protection with Charger Detection ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| USB Port Detection Timing The following figures show the attach timing of the USB after insertion of accessories and the relationship between the INTB assertion and the CHG assertion. PI3USB9281 has incorporated a VBUS de-bounce circuit that waits a settle time of the USB cable. Charger FET closed, INTB asserted and registers written VBUSIN>4.0V VBUSIN Voltage ID Floating VBUSIN Valid 130mS 250ms VBUSOUT Closed Open USB switch INTB Pin CHG Pin CHG detection 70ms 200ms 50ms Figure 4. USB Charging Downstream Port (CDP) Attach Timing Charger FET closed, INTB asserted and registers written VBUSIN>4.0V VBUSIN Voltage ID Floating 200ms VBUSOUT USB switch INTB Pin Closed Open 200ms CHG Pin 50ms Figure 5. USB Dedicated Charging Port (DCP) Attach Timing 2014-04-0004 PT0502-1 9 04/28/14 PI3USB9281 USB 2.0 Port Protection with Charger Detection ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Charger FET closed, INTB asserted and registers written VBUSIN>4.0V VBUSIN Voltage ID Floating 200ms VBUSOUT USB switch Closed Open INTB Pin 200ms CHG Pin Figure 6. USB Standard Downstream Port (SDP) Attach Timing Charger FET closed, INTB asserted and registers written VBUSIN>4.0V VBUSIN Voltage ID Floating 200ms VBUSOUT USB switch Closed Open INTB Pin 200ms CHG Pin Figure 7. Apple Chargers (1A/2A/2.4A) Attach Timing Charger FET closed, INTB asserted and registers written VBUSIN>4.0V VBUSIN Voltage ID Floating 130ms VBUSOUT Switch State INTB Pin Closed Open 130ms CHG Pin 50ms Figure 8. Car Kit Type 1 and 2 Timing 2014-04-0004 PT0502-1 10 04/28/14 PI3USB9281 USB 2.0 Port Protection with Charger Detection ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ID Floating 10ms 90ms PI3USB9281 remains silent for PD chip to do detection first PI3USB9281 performs ID Detection INTB Pin Figure 9. USB Power Delivery (PD) Cables and Other Accessories Detection Timing 2014-04-0004 PT0502-1 11 04/28/14 PI3USB9281 USB 2.0 Port Protection with Charger Detection ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| TYPICAL CHARACTERISTICS Frequency response curve for USB switch channel (D+ to DPH,3db BW=1.3G)) Eye diagram for USB 2.0 High Speed 2014-04-0004 PT0502-1 12 04/28/14 PI3USB9281 USB 2.0 Port Protection with Charger Detection ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Mechanical Information CSP 1.5 x 2.0-15L Ordering Information Part No. Package Code Package PI3USB9281GEE GE 15-Pin CSP 1.5 x 2.0 Note: E = Pb-free or Pb-free and Green Adding X Suffix= Tape/Reel Pericom Semiconductor Corporation 1-800-435-2336 www.pericom.com Pericom reserves the right to make changes to its products or specifications at any time, without notice, in order to improve design or performance and to supply the best possible product. Pericom does not assume any responsibility for use of any circuitry described other than the circuitry embodied in Pericom product. The company makes no representations that circuitry described herein is free from patent infringement or other rights, of Pericom. 2014-04-0004 PT0502-1 13 04/28/14