INTEGRATED CIRCUITS DATA SHEET TJA1050 High speed CAN transceiver Product specification Supersedes data of 2002 May 16 2003 Oct 22
Philips Semiconductors Product specification High speed CAN transceiver TJA1050 FEATURES GENERAL DESCRIPTION • Fully compatible with the “ISO 11898” standard The TJA1050 is the interface between the Controller Area Network (CAN) protocol controller and the physical bus. The device provides differential transmit capability to the bus and differential receive capability to the CAN controller.
Philips Semiconductors Product specification High speed CAN transceiver TJA1050 BLOCK DIAGRAM VCC handbook, full pagewidth S 3 8 30 µA VCC GND TEMPERATURE PROTECTION 200 µA TXD TXD DOMINANT TIME-OUT TIMER 1 DRIVER 7 VCC RXD CANH 25 kΩ 4 RECEIVER 0.5VCC 25 kΩ GND GND CANL 6 Vref 5 REFERENCE VOLTAGE TJA1050 2 MGS374 GND Fig.1 Block diagram.
Philips Semiconductors Product specification High speed CAN transceiver TJA1050 Control pin S allows two operating modes to be selected: high-speed mode or silent mode. FUNCTIONAL DESCRIPTION The TJA1050 is the interface between the CAN protocol controller and the physical bus. It is primarily intended for high-speed automotive applications using baud rates from 60 kbaud up to 1 Mbaud.
Philips Semiconductors Product specification High speed CAN transceiver TJA1050 LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 60134). All voltages are referenced to GND (pin 2). Positive currents flow into the IC. SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT −0.3 +6 V 0 < VCC < 5.25 V; no time limit −27 +40 V 0 < VCC < 5.25 V; no time limit −27 +40 V DC voltage at pin TXD −0.3 VCC + 0.3 V VRXD DC voltage at pin RXD −0.3 VCC + 0.
Philips Semiconductors Product specification High speed CAN transceiver TJA1050 CHARACTERISTICS VCC = 4.75 V to 5.25 V; Tvj = −40 °C to +150 °C; RL = 60 Ω unless specified otherwise; all voltages are referenced to GND (pin 2); positive currents flow into the IC; see notes 1 and 2. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Supply (pin VCC) ICC supply current dominant; VTXD = 0 V 25 50 75 mA recessive; VTXD = VCC 2.
Philips Semiconductors Product specification High speed CAN transceiver SYMBOL PARAMETER TJA1050 CONDITIONS MIN. TYP. MAX. UNIT Io(sc)(CANH) short-circuit output current at VCANH = 0 V; VTXD = 0 V −45 pin CANH −70 −95 mA Io(sc)(CANL) short-circuit output current at VCANL = 36 V; pin CANL VTXD = 0 V 45 70 100 mA Vi(dif)(th) differential receiver threshold −12 V < VCANL < +12 V; 0.5 voltage −12 V < VCANH < +12 V; see Fig.5 0.7 0.
Philips Semiconductors Product specification High speed CAN transceiver TJA1050 APPLICATION AND TEST INFORMATION handbook, full pagewidth +5 V 47 nF 100 nF 60 Ω 60 Ω VCC 3 TXD TX0 1 7 SJA1000 Vref CAN CONTROLLER 5 CAN BUS LINE TJA1050 6 RXD RX0 CANH CANL 4 2 8 GND S 60 Ω 60 Ω MICROCONTROLLER 47 nF MGS380 Fig.3 Application information.
Philips Semiconductors Product specification High speed CAN transceiver TJA1050 handbook, full pagewidth MGS378 VRXD HIGH LOW hysteresis 0.5 0.9 Vi(dif)(bus) (V) Fig.5 Hysteresis of the receiver. +5 V handbook, halfpage 100 nF VCC TXD Vref RXD 3 1 5 7 RL 60 Ω TJA1050 6 4 2 15 pF CANH CL 100 pF CANL 8 GND S MGS376 Fig.6 Test circuit for timing characteristics.
Philips Semiconductors Product specification High speed CAN transceiver TJA1050 HIGH handbook, full pagewidth TXD LOW CANH CANL dominant (BUS on) 0.9 V Vi(dif)(bus)(1) 0.5 V recessive (BUS off) HIGH RXD 0.7VCC 0.3VCC LOW t d(TXD-BUSon) t d(TXD-BUSoff) t d(BUSon-RXD) t d(BUSoff-RXD) t PD(TXD-RXD) t PD(TXD-RXD) MGS377 (1) Vi(dif)(bus) = VCANH − VCANL. Fig.7 Timing diagram for AC characteristics. handbook, full pagewidth TX CANL 6.2 kΩ TJA1050 CANH 6.
Philips Semiconductors Product specification High speed CAN transceiver TJA1050 MGT231 80 handbook, full pagewidth A (dBµV) 60 40 20 0 0 10 20 30 40 f (MHz) 50 Data rate of 500 kbits/s. Fig.9 Typical electromagnetic emission up to 50 MHz (peak amplitude measurement). MGT233 80 handbook, full pagewidth A (dBµV) 60 40 20 0 0 2 4 6 8 f (MHz) 10 Data rate of 500 kbits/s. Fig.
Philips Semiconductors Product specification High speed CAN transceiver TJA1050 handbook, full pagewidth TX TJA1050 CANL 30 Ω CANH 30 Ω 4.7 nF RF VOLTMETER AND POWER AMPLIFIER 50 Ω RX RF SIGNAL GENERATOR TJA1050 GND test PCB MGT230 Fig.11 Basic test set-up for electromagnetic immunity measurement (see Fig.12). MGT232 30 handbook, full pagewidth VRF(rms) (V) max RF voltage reached with no errors 20 10 0 10−1 1 10 Data rate of 500 kbits/s. Fig.12 Typical electromagnetic immunity.
Philips Semiconductors Product specification High speed CAN transceiver TJA1050 BONDING PAD LOCATIONS COORDINATES(1) SYMBOL PAD x y 103 103 TXD 1 GND 2 740 85 VCC 3 886.5 111 RXD 4 1371.5 111 Vref 5 1394 1094 CANL 6 998 1115 CANH 7 538.5 1115 S 8 103 7 6 5 TJA1050U test pad x 0 1 0 y 1097 Note 2 3 4 MGS381 The backside of the bare die must be connected to ground. 1.
Philips Semiconductors Product specification High speed CAN transceiver TJA1050 PACKAGE OUTLINE SO8: plastic small outline package; 8 leads; body width 3.9 mm SOT96-1 D E A X c y HE v M A Z 5 8 Q A2 A (A 3) A1 pin 1 index θ Lp 1 L 4 e detail X w M bp 0 2.5 5 mm scale DIMENSIONS (inch dimensions are derived from the original mm dimensions) UNIT A max. A1 A2 A3 bp c D (1) E (2) e HE L Lp Q v w y Z (1) mm 1.75 0.25 0.10 1.45 1.25 0.25 0.49 0.36 0.25 0.19 5.
Philips Semiconductors Product specification High speed CAN transceiver TJA1050 If wave soldering is used the following conditions must be observed for optimal results: SOLDERING Introduction to soldering surface mount packages • Use a double-wave soldering method comprising a turbulent wave with high upward pressure followed by a smooth laminar wave. This text gives a very brief insight to a complex technology.
Philips Semiconductors Product specification High speed CAN transceiver TJA1050 Suitability of surface mount IC packages for wave and reflow soldering methods SOLDERING METHOD PACKAGE(1) WAVE BGA, LBGA, LFBGA, SQFP, SSOP-T(3), TFBGA, VFBGA not suitable suitable(4) DHVQFN, HBCC, HBGA, HLQFP, HSQFP, HSOP, HTQFP, HTSSOP, HVQFN, HVSON, SMS not PLCC(5), SO, SOJ suitable REFLOW(2) suitable suitable suitable not recommended(5)(6) suitable SSOP, TSSOP, VSO, VSSOP not recommended(7) suitable PMFP
Philips Semiconductors Product specification High speed CAN transceiver TJA1050 DATA SHEET STATUS LEVEL DATA SHEET STATUS(1) PRODUCT STATUS(2)(3) Development DEFINITION I Objective data II Preliminary data Qualification This data sheet contains data from the preliminary specification. Supplementary data will be published at a later date. Philips Semiconductors reserves the right to change the specification without notice, in order to improve the design and supply the best possible product.
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