UJA1075_2 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2010. All rights reserved.
Product data sheet Rev. 02 — 27 May 2010 52 of 53
NXP Semiconductors
UJA1075
High-speed CAN/LIN core system basis chip
Export control — This document as well as the item(s) described herein
may be subject to export control regulations. Export might require a prior
authorization from national authorities.
15.4 Trademarks
Notice: All referenced brands, product names, service names and trademarks
are the property of their respective owners.
16. Contact information
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
NXP Semiconductors
UJA1075
High-speed CAN/LIN core system basis chip
© NXP B.V. 2010. All rights reserved.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
Date of release: 27 May 2010
Document identifier: UJA1075_2
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
17. Contents
1 General description. . . . . . . . . . . . . . . . . . . . . . 1
2 Features and benefits . . . . . . . . . . . . . . . . . . . . 2
2.1 General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.2 CAN transceiver . . . . . . . . . . . . . . . . . . . . . . . . 2
2.3 LIN transceiver . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.4 Power management . . . . . . . . . . . . . . . . . . . . . 2
2.5 Control and Diagnostic features . . . . . . . . . . . . 3
2.6 Voltage regulators. . . . . . . . . . . . . . . . . . . . . . . 3
3 Ordering information. . . . . . . . . . . . . . . . . . . . . 4
4 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 4
5 Pinning information. . . . . . . . . . . . . . . . . . . . . . 5
5.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
5.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 5
6 Functional description . . . . . . . . . . . . . . . . . . . 6
6.1 System Controller . . . . . . . . . . . . . . . . . . . . . . 7
6.1.1 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
6.1.2 Off mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
6.1.3 Standby mode. . . . . . . . . . . . . . . . . . . . . . . . . . 9
6.1.4 Normal mode . . . . . . . . . . . . . . . . . . . . . . . . . . 9
6.1.5 Sleep mode . . . . . . . . . . . . . . . . . . . . . . . . . . 10
6.1.6 Overtemp mode . . . . . . . . . . . . . . . . . . . . . . . 10
6.2 SPI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
6.2.1 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . 10
6.2.2 Register map . . . . . . . . . . . . . . . . . . . . . . . . . 11
6.2.3 WD_and_Status register. . . . . . . . . . . . . . . . . 12
6.2.4 Mode_Control register . . . . . . . . . . . . . . . . . . 13
6.2.5 Int_Control register. . . . . . . . . . . . . . . . . . . . . 14
6.2.6 Int_Status register. . . . . . . . . . . . . . . . . . . . . . 16
6.3 On-chip oscillator . . . . . . . . . . . . . . . . . . . . . . 16
6.4 Watchdog (UJA1075/xx/WD versions) . . . . . . 17
6.4.1 Watchdog Window behavior. . . . . . . . . . . . . . 17
6.4.2 Watchdog Timeout behavior. . . . . . . . . . . . . . 17
6.4.3 Watchdog Off behavior. . . . . . . . . . . . . . . . . . 18
6.5 System reset. . . . . . . . . . . . . . . . . . . . . . . . . . 18
6.5.1 RSTN pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
6.5.2 EN output . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6.5.3 LIMP output . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6.6 Power supplies . . . . . . . . . . . . . . . . . . . . . . . . 20
6.6.1 Battery pin (BAT) . . . . . . . . . . . . . . . . . . . . . . 20
6.6.2 Voltage regulator V1. . . . . . . . . . . . . . . . . . . . 20
6.6.3 Voltage regulator V2. . . . . . . . . . . . . . . . . . . . 22
6.7 CAN transceiver . . . . . . . . . . . . . . . . . . . . . . . 22
6.7.1 CAN operating modes . . . . . . . . . . . . . . . . . . 22
6.7.1.1 Active mode . . . . . . . . . . . . . . . . . . . . . . . . . . 22
6.7.1.2 Lowpower/Off modes . . . . . . . . . . . . . . . . . . . 23
6.7.2 Split circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
6.7.3 Fail-safe features . . . . . . . . . . . . . . . . . . . . . . 24
6.7.3.1 TXDC dominant time-out function . . . . . . . . . 24
6.7.3.2 Pull-up on TXDC pin . . . . . . . . . . . . . . . . . . . 24
6.8 LIN transceiver. . . . . . . . . . . . . . . . . . . . . . . . 24
6.8.1 LIN operating modes . . . . . . . . . . . . . . . . . . . 25
6.8.1.1 Active mode . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6.8.1.2 Lowpower/Off modes. . . . . . . . . . . . . . . . . . . 25
6.8.2 Fail-safe features . . . . . . . . . . . . . . . . . . . . . . 25
6.8.2.1 General fail-safe features. . . . . . . . . . . . . . . . 25
6.8.2.2 TXDL dominant time-out function . . . . . . . . . 25
6.9 Local wake-up input. . . . . . . . . . . . . . . . . . . . 26
6.10 Interrupt output. . . . . . . . . . . . . . . . . . . . . . . . 27
6.11 Temperature protection . . . . . . . . . . . . . . . . . 27
7 Limiting values . . . . . . . . . . . . . . . . . . . . . . . . 28
8 Thermal characteristics . . . . . . . . . . . . . . . . . 30
9 Static characteristics . . . . . . . . . . . . . . . . . . . 32
10 Dynamic characteristics. . . . . . . . . . . . . . . . . 40
11 Test information . . . . . . . . . . . . . . . . . . . . . . . 45
11.1 Quality information. . . . . . . . . . . . . . . . . . . . . 45
12 Package outline. . . . . . . . . . . . . . . . . . . . . . . . 46
13 Soldering of SMD packages. . . . . . . . . . . . . . 47
13.1 Introduction to soldering. . . . . . . . . . . . . . . . . 47
13.2 Wave and reflow soldering. . . . . . . . . . . . . . . 47
13.3 Wave soldering . . . . . . . . . . . . . . . . . . . . . . . 47
13.4 Reflow soldering . . . . . . . . . . . . . . . . . . . . . . 48
14 Revision history . . . . . . . . . . . . . . . . . . . . . . . 50
15 Legal information . . . . . . . . . . . . . . . . . . . . . . 51
15.1 Data sheet status. . . . . . . . . . . . . . . . . . . . . . 51
15.2 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
15.3 Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . 51
15.4 Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 52
16 Contact information . . . . . . . . . . . . . . . . . . . . 52
17 Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

UJA1075TW/3V3,112

Mfr. #:
Manufacturer:
NXP Semiconductors
Description:
IC SBC CAN/LIN HS 3.3V 32HTSSOP
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union