BL1530—DPDT USB2.0 Analog Switch Low-Power, Two-Port, High-Speed, USB2.0 (480Mbps) DPDT Analog Switch BL1530 Description The BL1530 is a Low-Power, Two-Port, High-Speed, USB2.0 (480Mbps) double –pole double-throw (DPDT) Analog Switch featuring an On-Resistance of 4.5 ohm at VCC=3V and a Low On Capacitance 3.7pf Typical. The BL1530 is compatible with the requirements of USB2.0 and the wide bandwidth needed to pass the third harmonic, resulting in signals with minimum edge and phase distortion. Superior channel-to channel crosstalk also minimizes interference. Break-before-make function for both parts eliminates signal disruption during switching from preventing both switches being enabled simultaneously. The BL1530 contains special circuitry on the switch I/O pins for applications where the VCC supply is powered-off (VCC=0), which allows the device to withstand an over-voltage condition. This device is designed to minimize current consumption even when the control voltage applied to the Sel pin is lower than the supply voltage (VCC). This feature is especially valuable to ultra-portable applications, such as cell phones, allowing for direct interface with the general purpose I/Os of the baseband processor. Other applications include switching and connector sharing in portable cell phones, PDAs, digital cameras, printers, and notebook computers. Pin Configuration OEb 8 VCC 9 Sel 10 Dn1 Dn2 7 6 BL1530 1 2 Dp1 Dp2 5 Dn 4 GND 3 Dp UTQFN1.8×1.4-10L http://www.belling.com.cn MSOP10L -1- Total 12 Pages BL1530—DPDT USB2.0 Analog Switch Features Wide Power Supply Range: 2.3V to 5V Low On Capacitance 3.7pf Typical Low On Resistance 4.5Ω (typ) at 3V VDD when VSW=0.4V High Bandwidth (-3db): >720MHz without CL and >550MHz with CL=5pF Low Power Consumption: 1uA Maximum ESD: pass 8kV HBM test Over voltage tolerance (OVT) on all USB ports up to 5.25V without external components TTL/CMOS Compatible Break-Before-Make Switching Operation Temperature Range: -40℃ to 85℃ UTQFN1.8×1.4-10L and MSOP10L Package Applications Cell phone, PDAs, Digital camera, Notebook, LCD Monitor, TV, SET-TOP BOX Block Diagram VCC Dp1 Dp Dp2 OEb logic Sel Dn1 Dn Dn2 GND Function Table OEb Sel Function 1 X Disconnect 0 0 Dp, Dn=Dp1, Dn1 0 1 Dp, Dn=Dp2, Dn2 http://www.belling.com.cn -2- Total 12 Pages BL1530—DPDT USB2.0 Analog Switch Pin Description PIN num Pin Name Type Description 2 Dp1 Input/Output Data Port 2 3 Dp2 Input/Output Data Port 3 4 Dp Input/Output USB Data BUS 4 5 GND Ground Ground 5 6 Dn Input/Output USB Data BUS 6 7 Dn2 Input/Output Data Port 7 8 Dn1 Input/Output Data Port 8 9 OEb Input Switch enable 9 10 VCC PWR Power Supply 10 1 Sel Input Switch select UTQFN10L MSOP10L 1 ABSOLUTE MAXIMUM RATINGS Parameter Symbol Min Max Units DC Supply Voltage VCC -0.5 5.5 V DC Switch Voltage Dpn / Dnn / Dp / Dn -0.5 VCC+ 0.3 V DC Input Voltage VOeb / VSel -0.5 VCC V Continuous Current I(Dpn/Dnn/Dp/Dn) -50 +50 mA Peak Current(1) IPEAK(Dpn/Dnn/Dp/Dn) -100 +100 mA TA -40 85 ℃ Operating Temperature Range Notes: (1) Pulsed at 1ms, 50% duty circle (2) Stress beyond above listed “Absolute Maximum Ratings” may lead permanent damage to the device. These are stress ratings only and operations of the device at these or any other conditions beyond those indicated in the operational sections of the specifications are not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. http://www.belling.com.cn -3- Total 12 Pages BL1530—DPDT USB2.0 Analog Switch ORDERING INFORMATION SPECIFIED MODEL PIN- PACKAGE TEMPERATURE RANGE BL1530TQFN BL1530MSOP UTQFN1.8×1.4- - 40°C to +85°C 10L MSOP10L - 40°C to +85°C PACKAGE PACKAGE OPTION MARKING IYW(1) Tape and Reel, 3000 I1G Tape and Reel, YWW 3000 WHERE(1): “IYW” IS 3 DIGITS PRODUCTION ID COLOUR: LASER MARKING “I” stands for the product BL1530. “Y”stands for the product year, for example, “1” stands for the year 2011. “W” stands for the product week, for example, “a” stands for the first week, “A” stands for the 27th week. http://www.belling.com.cn -4- Total 12 Pages BL1530—DPDT USB2.0 Analog Switch DC ELECTRICAL CHARACTERISTICS Guaranteed Limit Parameter Symbol Conditions Min. Typ.(1) Max. Unit Analog Switch Analog Signal Range VPn/VNn/Vp/Vn On-Resistance(2) RON On-Resistance Match Between Channels(3) 0 VCC = 3V,VSW=0.4V, ION=-8mA VCC = 3V,VSW=0.4V, △ RON ION=-8mA VCC V 4.5 Ω 0.1 Ω Current Source Off Leakage Current IPn / Nn (OFF) Channel on Leakage Current IPn / Nn (ON) POWER OFF leakage current IOFF Quiescent supply current ICC Increase in ICC current per VCC=3.6V,Vp/Vn= 3.6/0.3V, VPn/VNn=0.3/3.6V VCC=3.6V,Vp/Vn= 3.6/0.3V, VPn/VNn=3.6/0.3V VCC = 0V,VSW=0V to 3.6V, Vcontrol=0 or VCC -1 1 uA -1 1 uA -1 1 uA 1 uA VCC=3V, Vcontrol=0 or VCC, Iout=0 ICCT VCC=3.6V, Vcontrol=2.6V 4 uA IOEb /Sel VOEb / Sel = 0 or VCC 1 uA Input Voltage High VIH VCC = 3.0-3.6V Input Voltage Low VIL VCC = 3.0-3.6V control voltage and VCC Input Leakage Current Digital I/O 1.6 V 0.5 Note: (1) Typical characteristics are at +25°C (2) Measured by the voltage drop between Dpn/Dnn and Dp/Dn pins at the indicated current through the switch. On resistance is determined by the lower of the voltage on the two (Dpn/Dnn and Dp/Dn ports). (3) △ RON= RON(MAX) – RON(MIN), between Dp and Dn . http://www.belling.com.cn -5- Total 12 Pages V BL1530—DPDT USB2.0 Analog Switch DYNAMIC CHARACTERISTICS Guaranteed Limit Parameter Symbol Conditions Min. Typ. (1) Unit Max. DRIVER CHARACTERISTICS Turn-On Time tON VCC=3.3V, RL=50omh， 10 30 ns 20 25 ns 3 6.5 ns CL=5pF, VSW=0.8V Turn-Off Time tOFF VCC=3.3V, RL=50omh， CL=5pF,VSW=0.8V Break-Before-Make Time tBBM VCC=3.3V, RL=50omh， 2.0 CL=5pF,VSW1,2=0.8V Propagation Dalay tPD VCC=3.3V, RL=50omh， 0.2 ns 1.5 pF 3.7 pF 2.0 pF VCC = 3.3V,RL=50omh,CL=0pF 720 MHz VCC = 3.3V,RL=50omh,CL=5pF 550 MHz -30 dB -35 dB CL=5pF CAPACITANCE Control Capacitance CIN ON Capacitance CON OFF Capacitance COFF VCC=0V VCC = 3.3V,OE=0V, f=240MHz VCC = 3.3V,OE=3.3V, f=240MHz APPLICATION CHARACTERISTICS 3dB Bandwidth Off Isolation(2) Channel crosstalk f3dB VIso XTALK VCC = 3.3V, RL=50omh,f=250MHz VCC = 3.3V, RL=50omh,f=250MHz Note: (1) Typical characteristics are at 25°C (2) Off Channel Isolation = 20log10 [(VP1\P2)/VP] or 20log10 [(VN1\N2)/VN] http://www.belling.com.cn -6- Total 12 Pages BL1530—DPDT USB2.0 Analog Switch TEST SETUP CIRCUITS V1 VCC BL1530 VDp1/ VDn1 VDp/ VDn VDp2/ VDn2 Ron=V1/8mA 8mA GND Figure1. Test Circuit for On Resister VCC VDp1/ VDn1/ VDp2/ VDn2 AC=1 BL1530 VDp/ VDn Sel=0 or VCC 50 ohm 5pF GND Figure2. Test Circuit for Bandwidth VCC VDp1/ VDn1/ VDp2/ VDn2 AC=1 BL1530 VDp/ VDn Sel=0 or VCC 50 ohm GND Figure3. Test Circuit for Off Isolation http://www.belling.com.cn -7- Total 12 Pages BL1530—DPDT USB2.0 Analog Switch VCC AC=1 VDp1/ VDp2/ VDp VDn1/ VDn2 VDn 50 ohm 50 ohm BL1530 Sel=0 or VCC GND Figure4. Test Circuit for Crosstalk VDp1/ VDn1 VSW VCC BL1530 VDp/ VDn VDp2/ VDn2 50 ohm 5pF Sel=0 or VCC GND Trise = Tfall = 2.5ns VOEb/VSel 50% 50% 90% 90% VOUT tON tOFF Test Circuit 5. Test Circuit for Switch Times http://www.belling.com.cn -8- Total 12 Pages BL1530—DPDT USB2.0 Analog Switch VDp1/ VDn1 VSW VSW VCC BL1530 VDp/ VDn VDp2/ VDn2 50 ohm 5pF Sel=0 or VCC GND Trise = Tfall = 2.5ns VSel 50% VOUT 90% 90% tBBM Test Circuit 5. Test Circuit for Break-Before-Make Time Delay, tBBM BL1530 VDp1/ Trise = Tfall = 2.5ns VDn1/ VDp2/ VDn2 VCC VDp/ VDn 50 ohm 5pF Sel=0 or VCC GND 400mV 50% VIN 50% 0V 50% 50% VOUT t PDH tPDL Test Circuit 6. Test Circuit for Propagation Delay, Tpd http://www.belling.com.cn -9- Total 12 Pages BL1530—DPDT USB2.0 Analog Switch APPLICATION NOTE Meeting USB 2.0 VBUS Short Requirements (1) Power-Off Protection For a VBUS short circuit the switch is expected to withstand such a condition for at least 24 hours. The BL1530 has the specially designed circuit which prevents unintended signal bleed through as well as guaranteed system reliability during a power-down, over-voltage condition. The protection has been added to the common pins (Dp, Dn). (2) Power-On Protection The USB 2.0 specification also notes that the USB device should be capable of withstanding a VBUS short during transmission of data. This modification works by limiting current flow back into the VCC rail during the over-voltage event so current remains within the safe operating range. http://www.belling.com.cn - 10 - Total 12 Pages BL1530—DPDT USB2.0 Analog Switch PACKAGE OUTLINE DIMENSIONS (UTQFN1.8×1.4-10L) UTQFN1.8×1.4-10L 1.400+/-0.050 1.800+/-0.050 PIN #1 DOT BY MARKING TOP VIEW 0.400+/-0.050 0.400TYP (*9) PIN #1 DEFINITION CHAMFER 0.100*45。 0.550+/-0.050 0.500+/-0.050 0.8REF 0.200+/-0.050 BOTTOM VIEW 0.152REF 0.000-0.050 SIDE VIEW NOTE: All linear dimensions are in millimeters. http://www.belling.com.cn - 11 - Total 12 Pages BL1530—DPDT USB2.0 Analog Switch MSOP10L http://www.belling.com.cn - 12 - Total 12 Pages