tja1042 NXP Semiconductors, tja1042 Datasheet

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tja1042

Manufacturer Part Number
tja1042
Description
High-speed Can Transceiver With Standby Mode
Manufacturer
NXP Semiconductors
Datasheet

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1. General description
2. Features
2.1 General
2.2 Low-power management
2.3 Protections
The TJA1042 is a high-speed CAN transceiver that provides an interface between a
Controller Area Network (CAN) protocol controller and the physical two-wire CAN bus.
The transceiver is designed for high-speed (up to 1 Mbit/s) CAN applications in the
automotive industry, providing the differential transmit and receive capability to (a
microcontroller with) a CAN protocol controller.
The TJA1042 is a step up from the TJA1040, PCA82C250 and PCA82C251 high-speed
CAN transceivers. It offers improved ElectroMagnetic Compatibility (EMC) and
ElectroStatic Discharge (ESD) performance, and also features:
These features make the TJA1042 an excellent choice for all types of HS-CAN networks,
in nodes that require a low-power mode with wake-up capability via the CAN bus.
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TJA1042
High-speed CAN transceiver with Standby mode
Rev. 01 — 9 March 2009
Fully ISO 11898-2 and ISO 11898-5 compliant
Suitable for 12 V and 24 V systems
Low ElectroMagnetic Emission (EME) and high ElectroMagnetic Immunity (EMI)
V
microcontrollers (available in SO8 and very small HVSON8 packages respectively)
SPLIT voltage output on TJA1042T for stabilizing the recessive bus level (available in
SO8 package only)
Very low-current Standby mode with host and bus wake-up capability
Functional behavior predictable under all supply conditions
Transceiver in unpowered state disengages from the bus (zero load)
High ESD handling capability on the bus pins
Bus pins protected against transients in automotive environments
Ideal passive behavior to the CAN bus when the supply voltage is off
A very low-current Standby mode with bus wake-up capability
Direct interfacing to microcontrollers with 3 V to 5 V supply voltages on TJA1042T/3
and TJA1042TK/3
IO
input on TJA1042T/3 and TJA1042TK/3 allows for direct interfacing with 3 V to 5 V
Product data sheet

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tja1042 Summary of contents

Page 1

... Functional behavior predictable under all supply conditions I Transceiver in unpowered state disengages from the bus (zero load) 2.3 Protections I High ESD handling capability on the bus pins I Bus pins protected against transients in automotive environments input on TJA1042T/3 and TJA1042TK/3 allows for direct interfacing with Product data sheet ...

Page 2

... Name TJA1042T SO8 TJA1042T/3 SO8 TJA1042TK/3 HVSON8 [1] TJA1042T with SPLIT pin; TJA1042T/3 and TJA1042TK/3 with V TJA1042_1 Product data sheet High-speed CAN transceiver with Standby mode and V CC Description plastic small outline package; 8 leads; body width 3.9 mm plastic small outline package; 8 leads; body width 3.9 mm plastic thermal enhanced very small outline package ...

Page 3

... MODE CONTROL 8 4 MUX AND DRIVER Block diagram Rev. 01 — 9 March 2009 TJA1042 CC SLOPE CONTROL AND DRIVER SPLIT WAKE-UP FILTER 2 015aaa017 GND input is internally connected © NXP B.V. 2009. All rights reserved. TJA1042 7 CANH 6 CANL 5 (1) SPLIT ...

Page 4

... TJA1042T version only 5 supply voltage for I/O level adapter; in TJA1042T/3 and TJA1042TK/3 versions only 6 LOW-level CAN bus line 7 HIGH-level CAN bus line 8 Standby mode control input Rev. 01 — ...

Page 5

... EMC and ESD handling capability and quiescent current performance. Improved slope control and high DC handling capability on the bus pins provide additional application flexibility. The TJA1042 is available in two versions, distinguished only by the function of pin 5: • The version with a SPLIT output is 100 % backwards compatible with the TJA1040, and also covers existing PCA82C250 and PCA82C251 applications • ...

Page 6

... Including the TXD condition ensures that output driver oscillation due to temperature drift is avoided. 6.3 SPLIT output pin and V Two versions of the TJA1042 are available, only differing in the function of a single pin. Pin 5 is either a SPLIT output pin 6.3.1 SPLIT pin ...

Page 7

... Fig 3. 6.3.2 V supply pin IO Pin V on the TJA1042T/3 and TJA1042TK/3 should be connected to the microcontroller IO supply voltage (see to the I/O levels of the microcontroller. Pin V the low-power differential receiver of the transceiver. For applications running in low-power mode, this allows the bus lines to be monitored for activity even if there is no supply ...

Page 8

... CANH CANH TJA1042T/3 TJA1042TK/3 CANL CANL Switching off the 5 V supply in Standby mode (dotted line) is optional. Typical application with TJA1042T/3 or TJA1042TK/3 and microcontroller. Conditions no time limit; DC value on pins CANH and CANL on any other pin on pins CANH and CANL IEC 61000-4-2 ...

Page 9

... Product data sheet High-speed CAN transceiver with Standby mode . The rating for T limits the allowable combinations of power dissipation (P) and ambient vj vj [ [2] Conditions Standby mode TJA1042T; includes I TJA1042T/3 or TJA1042TK/3 Normal mode recessive TXD IO dominant TXD [1] IO Standby mode IO Normal mode recessive ...

Page 10

... V 400 - CANL 1 load 2 0.5V IO 0.1 - 0.5 0.7 0.4 0.7 50 120 ; 100 CANL [ [ TJA1042 Max Unit 0.3 0. 150 4.5 V 2.25 V +400 + +0.1 V 0.9 V 1.15 V 200 100 mA ...

Page 11

... NXP Semiconductors Table 6. Static characteristics +150 4 5 defined with respect to ground; Positive currents flow into the IC. Symbol Parameter Common mode stabilization output; pin SPLIT; only for TJA1042T V output voltage O I leakage current L Temperature detection T shutdown junction j(sd) ...

Page 12

... Product data sheet High-speed CAN transceiver with Standby mode + 100 nF ( TXD TJA1042 RXD GND 15 pF pin (TJA1042T/3 and TJA1042TK/3), the V IO Timing test circuit for CAN transceiver 0. d(busdom-RXD) t PD(TXD-RXD) CAN transceiver timing diagram Rev. 01 — 9 March 2009 TJA1042 V ...

Page 13

... This product has been qualified to the appropriate Automotive Electronics Council (AEC) standard Q100 or Q101 and is suitable for use in automotive applications. TJA1042_1 Product data sheet High-speed CAN transceiver with Standby mode Rev. 01 — 9 March 2009 TJA1042 © NXP B.V. 2009. All rights reserved ...

Page 14

... High-speed CAN transceiver with Standby mode detail 6.2 1.0 0.7 1.05 0.25 0.25 5.8 0.4 0.6 0.039 0.028 0.041 0.01 0.01 0.016 0.024 EUROPEAN PROJECTION TJA1042 SOT96 ( 0.7 0 0.028 0.004 0.012 ISSUE DATE 99-12-27 03-02-18 © NXP B.V. 2009. All rights reserved ...

Page 15

... (1) ( 3.1 2.55 3.1 1.75 0.65 1.95 2.9 2.25 2.9 1.45 REFERENCES JEDEC JEITA MO-229 - - - Rev. 01 — 9 March 2009 scale detail 0.5 0.1 0.05 0.05 0.1 0.3 EUROPEAN PROJECTION TJA1042 SOT782 ISSUE DATE 03-01-29 © NXP B.V. 2009. All rights reserved ...

Page 16

... Solder bath specifications, including temperature and impurities TJA1042_1 Product data sheet High-speed CAN transceiver with Standby mode Rev. 01 — 9 March 2009 TJA1042 © NXP B.V. 2009. All rights reserved ...

Page 17

... Lead-free process (from J-STD-020C) Package reflow temperature ( C) 3 Volume (mm ) < 350 260 260 250 Figure 10. Rev. 01 — 9 March 2009 TJA1042 Figure 10) than a SnPb process, thus 350 220 220 350 to 2000 > 2000 260 260 250 245 245 245 © NXP B.V. 2009. All rights reserved. ...

Page 18

... MSL limit, damage level temperature minimum peak temperature = minimum soldering temperature MSL: Moisture Sensitivity Level Data sheet status Product data sheet Rev. 01 — 9 March 2009 TJA1042 peak temperature Change notice Supersedes - - © NXP B.V. 2009. All rights reserved. time ...

Page 19

... Trademarks Notice: All referenced brands, product names, service names and trademarks are the property of their respective owners. http://www.nxp.com salesaddresses@nxp.com Rev. 01 — 9 March 2009 TJA1042 © NXP B.V. 2009. All rights reserved ...

Page 20

... Please be aware that important notices concerning this document and the product(s) described herein, have been included in section ‘Legal information’. © NXP B.V. 2009. For more information, please visit: http://www.nxp.com For sales office addresses, please send an email to: salesaddresses@nxp.com TJA1042 All rights reserved. Date of release: 9 March 2009 Document identifier: TJA1042_1 ...

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