TFBS4650 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 for extended low power spec to > 50 cm 20206 • Typical transmission distance to standard device: 50 cm DESCRIPTION The TFBS4650 is one of the smallest IrDA® 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. • Small package (L x W x H in mm): 6.8 x 2.8 x 1.6 • Low current consumption 75 µA idle at 3.6 V • Shutdown current 10 nA typical at 25 °C • Operates from 2.4 V to 3.6 V within specification over full temperature range from - 25 °C to + 85 °C • Split power supply, emitter can be driven by a separate power supply not loading the regulated. U.S. pat. no. 6,157,476 • Qualified for lead (Pb)-free and Sn/Pb processing (MSL4) • Compliant to RoHS directive 2002/95/EC accordance to WEEE 2002/96/EC and in APPLICATIONS • Mobile phone • PDAs PRODUCT SUMMARY PART NUMBER TFBS4650 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 TFBS4650-TR1 Oriented in carrier tape for side view surface mounting 1000 pcs TFBS4650-TR3 Oriented in carrier tape for side view surface mounting 2500 pcs TFBS4650-TR4 Oriented in carrier tape for side view surface mounting 6000 pcs TFBS4650-TT3 Oriented in carrier tape for top view surface mounting 2500 pcs Document Number: 84672 For technical questions within your region, please contact one of the following: [email protected], [email protected], [email protected] Rev. 1.5,16-Sep-09 www.vishay.com 1 TFBS4650 Vishay Semiconductors Infrared Transceiver, 9.6 kbit/s to 115.2 kbit/s (SIR) FUNCTIONAL BLOCK DIAGRAM VCC Tri-State Driver PD Amplifier RXD Comparator IREDA SD IRED Driver Mode Control IRED IREDC TXD ASIC GND 19283 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 IREDC 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. IRED cathode, do not connect for standard operation. 3 I High 4 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 VCC. Receiver echoes transmitter output. O Low 5 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 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 TFBS4650, bottom view weight 0.05 g 19284 www.vishay.com 2 Definitions: In the Vishay transceiver datasheets the following nomenclature is used for defining the IrDA operating modes: 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. Document Number: 84672 For technical questions within your region, please contact one of the following: Rev. 1.5,16-Sep-09 [email protected], [email protected], [email protected] TFBS4650 Infrared Transceiver, 9.6 kbit/s to 115.2 kbit/s (SIR) Vishay Semiconductors ABSOLUTE MAXIMUM RATINGS PARAMETER TEST CONDITIONS SYMBOL MIN. Supply voltage range, transceiver 0 V < VCC2 < 6 V VCC1 Supply voltage range, transmitter 0 V < VCC1 < 3.6 V MAX. UNIT - 0.5 6 V VCC2 - 0.5 6 V All states VIN - 0.5 VCC + 0.5 V Independent of VCC1 or VCC2 VIN - 0.5 6 V - 40 40 mA Voltage at RXD Input voltage range, transmitter TXD Input currents For all pins, except IRED anode pin TYP. 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 range Tstg - 40 + 100 °C Soldering temperature (1) Repetitive pulse output current See section “Recommended Solder Profile” < 90 µs, ton < 20 % Average output current (transmitter) °C IIRED (RP) 500 mA IIRED (DC) 100 mA Note Reference point pin, ground 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. 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. Document Number: 84672 For technical questions within your region, please contact one of the following: [email protected], [email protected], [email protected] Rev. 1.5,16-Sep-09 www.vishay.com 3 TFBS4650 Vishay Semiconductors Infrared Transceiver, 9.6 kbit/s to 115.2 kbit/s (SIR) ELECTRICAL CHARACTERISTICS 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 Peak supply current during transmission SD = low, TXD = high Iccpk 2 Shutdown supply current dark ambient SD = high (> VCC - 0.5 V), T = 25 °C, Ee = 0 klx Shutdown supply current, dark ambient SD = high (> VCC - 0.5 V), - 25 °C ≤ T ≤ + 85 °C µA 3 mA ISD 0.1 µA ISD 1 µA Operating temperature range TA - 25 + 85 °C Input voltage low (TXD, SD) VIL - 0.5 0.5 V VIH VCC - 0.5 6 V 1.8 V Input voltage high VCC = 2.4 V to 3.6 V Input voltage threshold SD VCC = 2.4 V to 3.6 V Output voltage low VCC = 2.4 V to 3.6 V CLOAD = 15 pF VOL - 0.5 VCC x 0.15 V Output voltage high VCC = 2.4 V to 3.6 V CLOAD = 15 pF VOH VCC x 0.8 VCC + 0.5 V SD = VCC VCC = 2.4 V to 5 V RRXD RXD to VCC pull-up impedance Input capacitance (TXD, SD) 0.9 CI 1.35 500 kΩ 6 pF 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. www.vishay.com 4 Document Number: 84672 For technical questions within your region, please contact one of the following: Rev. 1.5,16-Sep-09 [email protected], [email protected], [email protected] TFBS4650 Infrared Transceiver, 9.6 kbit/s to 115.2 kbit/s (SIR) Vishay Semiconductors OPTOELECTRONIC CHARACTERISTICS PARAMETER (1) TEST CONDITIONS SYMBOL MIN. TYP. MAX. UNIT Sensitivity: minimum irradiance Ee in angular range (2)(3) 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 λ = 850 nm to 900 nm Ee 5 (500) kW/m2 (mW/cm2) No receiver output input irradiance (4) 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 2.9 µs 100 150 µs 50 200 µs 400 mA 1 µA 150 mW/sr RECEIVER RXD pulse width of output signal, 50 % (5) Receiver start up time Power on delay Latency tL TRANSMITTER The IRED current is internally IRED operating current, current controlled but also can be reduced controlled by an external resistor R1 Output leakage IRED current ID Tamb = 85 °C IIRED Output radiant intensity (6) α = 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 (6) α = 0°, 15°, TXD = high, SD = low, VCC1 = 3 V, VCC2 = 3 V, R1 = 0 Ω, IF = 300 mA Ie VCC1 = 5 V, α = 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 (6) Saturation voltage of IRED driver Peak - emission wavelength Optical rise time, optical fall time 200 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 (1) T amb = 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. (2) This parameter reflects the backlight test of the IrDA physical layer specification to guarantee immunity against light from fluorescent lamps. (3) 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. (4) 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. (5) 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. (6) 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. Document Number: 84672 For technical questions within your region, please contact one of the following: [email protected], [email protected], [email protected] Rev. 1.5,16-Sep-09 www.vishay.com 5 TFBS4650 Vishay Semiconductors Infrared Transceiver, 9.6 kbit/s to 115.2 kbit/s (SIR) TABLE 1 - TRUTH TABLE INPUTS SD High OUTPUTS OPTICAL INPUT IRRADIANCE mW/m2 RXD TRANSMITTER x x Tri-state floating with a weak pull-up to the supply voltage 0 TXD Low High x Low (echo on) Ie Low High > 50 µs x High 0 Low Low <4 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 TFBS4650 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. However, depending on the entire system design and board layout, additional components may be required (see fig. 1). When long wires are used for bench tests, the capacitors are mandatory for testing rise/fall time correctly. VCC2 IRED anode R1 IRED cathode VCC1 GND VCC R2 C1 C2 Ground SD SD TXD TXD RXD RXD 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. 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 able 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 C1, C2 0.1 µF, Ceramic Vishay part# VJ 1206 Y 104 J XXMT 19286 Fig. 1 - Recommended Application Circuit R1 See table 3 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. 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. 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 R2 47 Ω, 0.125 W (VCC1 = 3 V) www.vishay.com 6 TABLE 3 - RECOMMENDED RESISTOR R1 (Ω) VCC2 (V) MINIMIZED CURRENT CONSUMPTION, IrDA LOW POWER COMPLIANT 2.7 24 3 30 3.3 36 Document Number: 84672 For technical questions within your region, please contact one of the following: Rev. 1.5,16-Sep-09 [email protected], [email protected], [email protected] TFBS4650 Infrared Transceiver, 9.6 kbit/s to 115.2 kbit/s (SIR) Vishay Semiconductors RECOMMENDED SOLDER PROFILES Solder Profile for Sn/Pb Soldering 280 260 10 s max. at 230 °C T ≥ 255 °C for 20 s max 260 240 °C max. 240 T peak = 260 °C max. 240 220 T ≥ 217 °C for 50 s max 220 2 °C/s to 4 °C/s 200 200 160 °C max. 180 160 Temperature/°C Temperature (°C) 180 140 120 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 2 °C...4 °C/s 40 40 20 20 0 0 50 19431 100 150 200 250 300 350 0 0 Time (s) 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 TFBS4650 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 3 is Vishay’s recommended profiles for use with the TFBS4650 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”. Document Number: 84672 For technical questions within your region, please contact one of the following: [email protected], [email protected], [email protected] Rev. 1.5,16-Sep-09 www.vishay.com 7 TFBS4650 Vishay Semiconductors Infrared Transceiver, 9.6 kbit/s to 115.2 kbit/s (SIR) 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 www.vishay.com 8 Document Number: 84672 For technical questions within your region, please contact one of the following: Rev. 1.5,16-Sep-09 [email protected], [email protected], [email protected] TFBS4650 Infrared Transceiver, 9.6 kbit/s to 115.2 kbit/s (SIR) 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) 16 330 50 16.4 22.4 15.9 19.4 Document Number: 84672 For technical questions within your region, please contact one of the following: [email protected], [email protected], [email protected] Rev. 1.5,16-Sep-09 www.vishay.com 9 TFBS4650 Vishay Semiconductors Infrared Transceiver, 9.6 kbit/s to 115.2 kbit/s (SIR) TAPE DIMENSIONS FOR TR1 AND TR3 in millimeters 19783 www.vishay.com 10 Document Number: 84672 For technical questions within your region, please contact one of the following: Rev. 1.5,16-Sep-09 [email protected], [email protected], [email protected] TFBS4650 Infrared Transceiver, 9.6 kbit/s to 115.2 kbit/s (SIR) Vishay Semiconductors TAPE DIMENSIONS FOR TR4 in millimeters 20872 Document Number: 84672 For technical questions within your region, please contact one of the following: [email protected], [email protected], [email protected] Rev. 1.5,16-Sep-09 www.vishay.com 11 TFBS4650 Vishay Semiconductors Infrared Transceiver, 9.6 kbit/s to 115.2 kbit/s (SIR) TAPE DIMENSIONS FOR TT3 in millimeters 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 www.vishay.com 12 Document Number: 84672 For technical questions within your region, please contact one of the following: Rev. 1.5,16-Sep-09 [email protected], [email protected], [email protected] Legal Disclaimer Notice Vishay Disclaimer ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other disclosure relating to any product. Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special, consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular purpose, non-infringement and merchantability. Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular product with the properties described in the product specification is suitable for use in a particular application. Parameters provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed therein. Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining applications or for any other application in which the failure of the Vishay product could result in personal injury or death. Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk and agree to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay or its distributor was negligent regarding the design or manufacture of the part. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners. Document Number: 91000 Revision: 11-Mar-11 www.vishay.com 1