TFBS4652 www.vishay.com Vishay Semiconductors Infrared Transceiver, 9.6 kbit/s to 115.2 kbit/s (SIR) FEATURES • Compliant with the IrDA physical layer IrPHY 1.4 (low power specification, 9.6 kbit/s to 115.2 kbit/s) • Link distance: 30 cm/20 cm full 15° cone with standard or low power IrDA, respectively. Emission intensity can be set by an external resistor to increase the range to > 50 cm • Typical transmission distance to standard device: 50 cm 20206 • Small package (L x W x H in mm): 6.8 x 2.8 x 1.6 DESCRIPTION • Low current consumption 75 μA idle at 3.6 V • Operates from 2.4 V to 3.6 V within specification over full temperature range from -25 °C to +85 °C IrDA® The TFBS4652 is one of the smallest compliant transceivers available. It supports data rates up to 115 kbit/s. The transceiver consists of a PIN photodiode, infrared emitter, and control IC in a single package. • Split power supply, emitter can be driven by a separate power supply not loading the regulated. U.S. pat. no. 6,157,476 • Adjustable to logic I/O voltage swing from 1.5 V to 5.5 V • Qualified for lead (Pb)-free and Sn/Pb processing (MSL4) • Material categorization: For definitions of compliance please see www.vishay.com/doc?99912 APPLICATIONS • Mobile phone • PDAs PRODUCT SUMMARY PART NUMBER TFBS4652 DATA RATE (kbit/s) DIMENSIONS HxLxW (mm x mm x mm) LINK DISTANCE (m) OPERATING VOLTAGE (V) IDLE SUPPLY CURRENT (mA) 115.2 1.6 x 6.8 x 2.8 0 to ≥ 0.3 2.4 to 3.6 0.075 PARTS TABLE PART DESCRIPTION QTY/REEL TFBS4652-TR1 Oriented in carrier tape for side view surface mounting 1000 pcs TFBS4652-TR3 Oriented in carrier tape for side view surface mounting 2500 pcs TFBS4652-TT1 Oriented in carrier tape for top view surface mounting 1000 pcs FUNCTIONAL BLOCK DIAGRAM VCC Vlog Tri-State Driver PD Amplifier RXD Comparator IREDA SD Mode Control IRED Driver IRED TXD ASIC 19288 GND Rev. 1.4, 28-Jan-14 Document Number: 84671 1 For technical questions within your region: [email protected], [email protected], [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 TFBS4652 www.vishay.com Vishay Semiconductors PIN DESCRIPTION PIN NUMBER SYMBOL DESCRIPTION 1 IREDA IRED anode, connected via a current limiting resistor to VCC2. A separate unregulated power supply can be used. I/O ACTIVE 2 RXD Receiver output. Normally high, goes low for a defined pulse duration with the rising edge of the optical input signal. Output is a CMOS tri-state driver, which swings between ground and Vlogic. Receiver echoes transmitter output. O Low 3 TXD Transmitter data input. Setting this input above the threshold turns on the transmitter. This input switches the IRED with the maximum transmit pulse width of about 100 μs. I High 4 SD Shutdown. Logic low at this input enables the receiver, enables the transmitter, and un-tri-states the receiver output. It must be driven high for shutting down the transceiver. I High 5 Vlogic Reference for the logic swing of the output and the input logic levels. I 6 VCC Power supply, 2.4 V to 3.6 V. This pin provides power for the receiver and transmitter drive section. Connect VCC1 via an optional filter. 7 GND Ground PINOUT Definitions: In the Vishay transceiver datasheets the following nomenclature is used for defining the IrDA operating modes: TFBS4652, bottom view weight 0.05 g • SIR: 2.4 kbit/s to 115.2 kbit/s, equivalent to the basic serial infrared standard with the physical layer version IrPhy 1.0 • MIR: 576 kbit/s to 1152 kbit/s • FIR: 4 Mbit/s • VFIR: 16 Mbit/s MIR and FIR were implemented with IrPhy 1.1, followed by IrPhy 1.2, adding the SIR Low Power Standard. IrPhy 1.3 extended the low power option to MIR and FIR and VFIR was added with IrPhy 1.4. A new version of the standard in any case obsoletes the former version. 19284 ABSOLUTE MAXIMUM RATINGS PARAMETER TEST CONDITIONS SYMBOL MIN. MAX. UNIT Supply voltage range, transceiver 0 V < VCC2 < 6 V VCC1 -0.5 6 V Supply voltage range, transmitter 0 V < VCC1 < 3.6 V VCC2 -0.5 6 V Supply voltage range, digital supply 0 V < VCC1 < 3.6 V Vlogic -0.5 6 V All states VIN -0.5 Vlogic + 0.5 V Independent of Vdd or Vlogic VIN -0.5 6 V 40 mA Voltage at RXD Input voltage range, transmitter TXD Input currents For all pins, except IRED anode pin TYP. -40 Output sinking current 20 mA Power dissipation PD 250 mW Junction temperature TJ 125 °C Ambient temperature range (operating) Tamb -25 +85 °C Storage temperature Tstg -40 +100 °C 260 °C Soldering temperature (1) Repetitive pulse output current Average output current (transmitter) See section “Recommended Solder Profile” < 90 μs, ton < 20 % IIRED (RP) 500 mA IIRED (DC) 100 mA Notes • Reference point pin, GND unless otherwise noted. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing. (1) Sn/lead (Pb)-free soldering. The product passed Vishay’s standard convection reflow profile soldering test. Rev. 1.4, 28-Jan-14 Document Number: 84671 2 For technical questions within your region: [email protected], [email protected], [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 TFBS4652 www.vishay.com Vishay Semiconductors EYE SAFETY INFORMATION STANDARD CLASSIFICATION IEC/EN 60825-1 (2007-03), DIN EN 60825-1 (2008-05) “SAFETY OF LASER PRODUCTS Part 1: equipment classification and requirements”, simplified method Class 1 IEC 62471 (2006), CIE S009 (2002) “Photobiological Safety of Lamps and Lamp Systems” Exempt DIRECTIVE 2006/25/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 5th April 2006 on the minimum health and safety requirements regarding the exposure of workers to risks arising from physical agents (artificial optical radiation) (19th individual directive within the meaning of article 16(1) of directive 89/391/EEC) Exempt Note • Vishay transceivers operating inside the absolute maximum ratings are classified as eye safe according the above table. ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, VCC = 2.4 V to 3.6 V unless otherwise noted) PARAMETER TEST CONDITIONS SYMBOL MIN. VCC 2.4 TYP. MAX. UNIT 3.6 V 130 μA TRANSCEIVER Supply voltage range Dynamic supply current Idle, dark ambient SD = low (< 0.8 V), Eeamb = 0 klx, Ee < 4 mW/m2, -25 °C ≤ T ≤ +85 °C ICC 90 Idle, dark ambient SD = low (< 0.8 V), Eeamb = 0 klx, Ee < 4 mW/m2, T = +25 °C ICC 75 SD = low, TXD = high Iccpk 2 SD = low (< 0.8 V), Eeamb = 0 klx, Ee < 4 mW/m2 Peak supply current during transmission Idle, dark ambient at Vlogic - pin Shutdown supply current, dark ambient 3 mA Ilogic 1 μA SD = high (> Vlogic - 0.5 V), T = 25 °C, Ee = 0 klx ISD 0.1 μA SD = high (> Vlogic - 0.5 V), T = 70 °C, Ee = 0 klx ISD 2 μA SD = high (> Vlogic - 0.5 V), T = 85 °C, Ee = 0 klx ISD 3 μA +85 °C Operating temperature range Tamb Output voltage low IOL = 0.2 mA, VCC = 2.4 V, Cload = 15 pF VOL Output voltage high IOL = 0.2 mA, VCC = 2.4 V, Cload = 15 pF VOH SD = VCC, VCC = 2.4 V to 5 V RRXD RXD to VCC pull-up impedance Input voltage low (TXD, SD) Input voltage high (TXD, SD) VCC = 2.4 V to 3.6 V Input voltage threshold SD VCC = 2.4 V to 3.6 V Input capacitance (TXD, SD) μA -25 0.3 Vlogic - 0.5 V Vlogic 500 VIL -0.5 VIH Vlogic - 0.5 0.9 CI kΩ 0.5 0.5 x Vlogic V V Vlogic + 0.5 V 0.66 x Vlogic V 6 pF Note • Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing. Rev. 1.4, 28-Jan-14 Document Number: 84671 3 For technical questions within your region: [email protected], [email protected], [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 TFBS4652 www.vishay.com Vishay Semiconductors OPTOELECTRONIC CHARACTERISTICS PARAMETER TEST CONDITIONS SYMBOL MIN. TYP. MAX. UNIT Sensitivity: minimum irradiance Ee in angular range (1)(2) 9.6 kbit/s to 115.2 kbit/s λ = 850 nm to 900 nm Ee 40 (4) 81 (8.1) mW/m2 (μW/cm2) Maximum irradiance Ee in angular range (3) λ = 850 nm to 900 nm Ee 5 (500) kW/m2 (mW/cm2) According to IrDA IrPHY 1.4, appendix A1, fluorescent light specification Ee 4 (0.4) mW/m2 (μW/cm2) Rise time of output signal 10 % to 90 %, CL = 15 pF tr (RXD) 20 100 ns Fall time of output signal 90 % to 10 %, CL = 15 pF tf (RXD) 20 100 ns Input pulse width 1.63 μs tPW 1.7 2.9 μs 100 150 μs tL 30 50 100 μs The IRED current is internally controlled but also can be reduced by an external resistor R1 ID 200 400 mA 1 μA 150 mW/sr RECEIVER No output receiver input irradiance RXD pulse width of output signal, 50 % (4) Receiver start up time Power on delay Latency TRANSMITTER IRED operating current, current controlled Output leakage IRED current Tamb = 85°C IIRED Output radiant intensity (5) a = 0°, 15°, TXD = high, SD = low, VCC1 = 3 V, VCC2 = 3 V, R1 = 30 Ω (resulting in about 50 mA drive current) Ie Output radiant intensity (5) a = 0°, 15°, TXD = high, SD = low, VCC1 = 3 V, VCC2 = 3 V, R1 = 0 Ω, IF = 300 mA Ie VCC1 = 5 V, a = 0°, 15° TXD = low or SD = high (receiver is inactive as long as SD = high) Ie VCC = 3 V, IF = 50 mA VCEsat Output radiant intensity (5) Saturation voltage of IRED driver Peak - emission wavelength Optical rise time, optical fall time 4 25 mW/sr 0.04 0.4 λp 880 tropt, tfopt 20 886 mW/sr V 900 nm 100 ns Optical output pulse duration Input pulse width t < 30 μs Input pulse width t ≥ 30 μs topt topt 30 t 50 300 μs μs Optical output pulse duration Input pulse width t = 1.63 μs topt 1.45 1.61 2.2 μs 20 % Optical overshoot Notes • Tamb = 25 °C, VCC = 2.4 V to 3.6 V unless otherwise noted. Typical values are for design aid only, not guaranteed nor subject to production testing. (1) This parameter reflects the backlight test of the IrDA physical layer specification to guarantee immunity against light from fluorescent lamps. (2) IrDA sensitivity definition: minimum irradiance E in angular range, power per unit area. The receiver must meet the BER specification while e the source is operating at the minimum intensity in angular range into the minimum half-angular range at the maximum link length. (3) Maximum irradiance E in angular range, power per unit area. The optical delivered to the detector by a source operating at the maximum e intensity in angular range at minimum link length must not cause receiver overdrive distortion and possible related link errors. If placed at the active output interface reference plane of the transmitter, the receiver must meet its bit error ratio (BER) specification. For more definitions see the document “Symbols and Terminology” on the Vishay website (4) RXD output is edge triggered by the rising edge of the optical input signal. The output pulse duration is independent of the input pulse duration. (5) The radiant intensity can be adjusted by the external current limiting resistor to adapt the intensity to the desired value. The given value is for minimum current consumption. This transceiver can be adapted to > 50 cm operation by increasing the current to > 200 mA, e.g. operating the transceiver without current control resistor (i.e. R1 = 0 Ω) and using the internal current control. Rev. 1.4, 28-Jan-14 Document Number: 84671 4 For technical questions within your region: [email protected], [email protected], [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 TFBS4652 www.vishay.com Vishay Semiconductors TABLE 1 - TRUTH TABLE INPUTS OUTPUTS SD TXD OPTICAL INPUT IRRADIANCE mW/m2 RXD TRANSMITTER High x x Tri-state floating with a weak pull-up to the supply voltage 0 Low High x Low (echo on) Ie Low High > 100 μs x High 0 Low Low <2 High 0 Low Low > min. irradiance Ee < max. irradiance Ee Low (active) 0 Low Low > max. irradiance Ee x 0 RECOMMENDED CIRCUIT DIAGRAM Operated at a clean low impedance power supply the TFBS4652 needs only one additional external component when the IRED drive current should be minimized for minimum current consumption according the low power IrDA standard. When combined operation in IrDA and remote control is intended no current limiting resistor is recommended. When long wires are used for bench tests, the capacitors are mandatory for testing rise/fall time correctly. VCC2 IRED Anode R1 Vlogic VCC1 GND Vlogic VCC R2 C1 C2 Ground SD SD TXD TXD RXD RXD The placement of these parts is critical. It is strongly recommended to position C2 as close as possible to the transceiver power supply pins. When connecting the described circuit to the power supply, low impedance wiring should be used. In case of extended wiring the inductance of the power supply can cause dynamically a voltage drop at VCC2. Often some power supplies are not apply to follow the fast current is rise time. In that case another 10 μF cap at VCC2 will be helpful. Keep in mind that basic RF-design rules for circuit design should be taken into account. Especially longer signal lines should not be used without termination. See e.g. “The Art of Electronics” Paul Horowitz, Wienfield Hill, 1989, Cambridge University Press, ISBN: 0521370957. TABLE 2 - RECOMMENDED APPLICATION CIRCUIT COMPONENTS COMPONENT RECOMMENDED VALUE Fig. 1 - Recommended Application Circuit C1, C2 0.1 μF, ceramic Vishay part# VJ 1206 Y 104 J XXMT The capacitor C1 is buffering the supply voltage VCC2 and eliminates the inductance of the power supply line. This one should be a small ceramic version or other fast capacitor to guarantee the fast rise time of the IRED current. The resistor R1 is necessary for controlling the IRED drive current when the internally controlled current is too high for the application. R1 See table 3 R2 47 Ω, 0.125 W (VCC1 = 3 V) 19289 Vishay transceivers integrate a sensitive receiver and a built-in power driver. The combination of both needs a careful circuit board layout. The use of thin, long, resistive and inductive wiring should be avoided. The inputs (TXD, SD) and the output RXD should be directly (DC) coupled to the I/O circuit. TABLE 3 - RECOMMENDED RESISTOR R1 (Ω) VCC2 (V) MINIMIZED CURRENT CONSUMPTION, IrDA LOW POWER COMPLIANT 2.7 24 3 30 3.3 36 The capacitor C2 combined with the resistor R2 is the low pass filter for smoothing the supply voltage. As already stated above R2, C1 and C2 are optional and depend on the quality of the supply voltages VCCx and injected noise. An unstable power supply with dropping voltage during transmission may reduce the sensitivity (and transmission range) of the transceiver. Rev. 1.4, 28-Jan-14 Document Number: 84671 5 For technical questions within your region: [email protected], [email protected], [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 TFBS4652 www.vishay.com Vishay Semiconductors RECOMMENDED SOLDER PROFILES Solder Profile for Sn/Pb Soldering 280 260 10 s max. at 230 °C T peak = 260 °C max. 240 220 T ≥ 217 °C for 50 s max 220 2 °C/s to 4 °C/s 200 200 180 160 °C max. 180 160 Temperature (°C) Temperature (°C) T ≥ 255 °C for 20 s max 260 240 °C max. 240 140 120 s to 180 s 120 90 s max. 100 80 2 °C/s to 4 °C/s 160 20 s 140 120 90 s...120 s 100 50 s max. 2 °C...4 °C/s 80 60 60 40 40 20 20 0 2 °C...4 °C/s 0 0 50 19431 100 150 200 250 300 350 Time (s) 0 50 100 150 200 250 300 350 19261 Time (s) Fig. 2 - Recommended Solder Profile for Sn/Pb Soldering Fig. 3 - Solder Profile, RSS Recommendation Lead (Pb)-free, Recommended Solder Profile The TFBS4652 is a lead (Pb)-free transceiver and qualified for lead (Pb)-free processing. For lead (Pb)-free solder paste like Sn(3.0 - 4.0)Ag(0.5 - 0.9)Cu, there are two standard reflow profiles: Ramp-Soak-Spike (RSS) and Ramp-To-Spike (RTS). The Ramp-Soak-Spike profile was developed primarily for reflow ovens heated by infrared radiation. With widespread use of forced convection reflow ovens the Ramp-To-Spike profile is used increasingly. Shown in figure 2 is Vishay’s recommended profiles for use with the TFBS4652 transceivers. For more details please refer to the application note “SMD Assembly Instructions”. Wave Soldering For TFDUxxxx and TFBSxxxx transceiver devices wave soldering is not recommended. Manual Soldering Manual soldering is the standard method for lab use. However, for a production process it cannot be recommended because the risk of damage is highly dependent on the experience of the operator. Nevertheless, we added a chapter to the above mentioned application note, describing manual soldering and desoldering. Storage The storage and drying processes for all Vishay transceivers (TFDUxxxx and TFBSxxx) are equivalent to MSL4. The data for the drying procedure is given on labels on the packing and also in the application note "Taping, Labeling, Storage and Packing". Rev. 1.4, 28-Jan-14 Document Number: 84671 6 For technical questions within your region: [email protected], [email protected], [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 TFBS4652 www.vishay.com Vishay Semiconductors PACKAGE DIMENSIONS in millimeters 19322 Fig. 4 - TFBS4650 Mechanical Dimensions, Tolerance ± 0.2 mm, if not otherwise mentioned 19729 Fig. 5 - TFBS4650 Soldering Footprint, Tolerance ± 0.2 mm, if not otherwise mentioned Rev. 1.4, 28-Jan-14 Document Number: 84671 7 For technical questions within your region: [email protected], [email protected], [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 TFBS4652 www.vishay.com Vishay Semiconductors REEL DIMENSIONS in millimeters Drawing-No.: 9.800-5090.01-4 Issue: 1; 29.11.05 14017 TAPE WIDTH (mm) A MAX. (mm) N (mm) W1 MIN. (mm) W2 MAX. (mm) W3 MIN. (mm) W3 MAX. (mm) 16 180 60 16.4 22.4 15.9 19.4 16 330 50 16.4 22.4 15.9 19.4 Rev. 1.4, 28-Jan-14 Document Number: 84671 8 For technical questions within your region: [email protected], [email protected], [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 TFBS4652 www.vishay.com Vishay Semiconductors TAPE DIMENSIONS in millimeters Tape for Side View Oriented Parts: 19285 Rev. 1.4, 28-Jan-14 Document Number: 84671 9 For technical questions within your region: [email protected], [email protected], [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 TFBS4652 www.vishay.com Vishay Semiconductors Tape for Top View Oriented Parts: 7.1 4° max 3.1 0.32 . Emitter 2 Detector 8° ma x. 4 2 Progressive direction 8 technical drawings according to DIN specifications 2 Ø 1.5 Ø 1.5 7.5 1.75 16 Drawing-No.: 9.700-5340.01-4 Issue: 1; 15.01.09 21663 Rev. 1.4, 28-Jan-14 Document Number: 84671 10 For technical questions within your region: [email protected], [email protected], [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 Legal Disclaimer Notice www.vishay.com Vishay Disclaimer ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. 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Material Category Policy Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment (EEE) - recast, unless otherwise specified as non-compliant. Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU. Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21 conform to JEDEC JS709A standards. Revision: 02-Oct-12 1 Document Number: 91000