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UJA1167A Datasheet

Mini high-speed CAN system

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UJA1167A
Mini high-speed CAN system basis chip with Standby/Sleep
modes & watchdog
Rev. 1 — 23 August 2019
Product data sheet
1. General description
The UJA1167A is a mini high-speed CAN System Basis Chip (SBC) containing an ISO
11898-2:2016 and SAE J2284-1 to SAE J2284-5 compliant HS-CAN transceiver and an
integrated 5 V/100 mA supply for a microcontroller. It also features a watchdog and a
Serial Peripheral Interface (SPI). The UJA1167A can be operated in very-low-current
Standby and Sleep modes with bus and local wake-up capability and supports ISO
11898-2:2016 compliant autonomous CAN biasing. The microcontroller supply is switched
off in Sleep mode.
The UJA1167ATK variant contains a battery-related high-voltage output (INH) for
controlling an external voltage regulator, while the UJA1167ATK/X is equipped with a 5 V
sensor supply (VEXT).
This implementation enables reliable communication in the CAN FD fast phase at data
rates up to 5 Mbit/s.
A number of configuration settings are stored in non-volatile memory, allowing the SBC to
be adapted for use in a specific application. This makes it possible to configure the
power-on behavior of the UJA1167A to meet the requirements of different applications.
2. Features and benefits
2.1 General
ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 compliant high-speed CAN
transceiver
Hardware and software compatible with the UJA116x product family and with improved
EMC performance
Loop delay symmetry timing enables reliable communication at data rates up to
5 Mbit/s in the CAN FD fast phase
Autonomous bus biasing according to ISO 11898-6
Fully integrated 5 V/100 mA low-drop voltage regulator for 5 V microcontroller
supply (V1)
Bus connections are truly floating when power to pin BAT is off
2.2 Designed for automotive applications
8 kV ElectroStatic Discharge (ESD) protection, according to the Human Body Model
(HBM) on the CAN bus pins
6 kV ESD protection, according to IEC TS 62228 on the CAN bus pins, the sensor
supply output VEXT and on pins BAT and WAKE


NXP Semiconductors Electronic Components Datasheet

UJA1167A Datasheet

Mini high-speed CAN system

No Preview Available !

NXP Semiconductors
UJA1167A
Mini high-speed CAN system basis chip with Standby/Sleep modes &
watchdog
CAN bus pins short-circuit proof to 58 V
Battery and CAN bus pins protected against automotive transients according to
ISO 7637-3
Very low quiescent current in Standby and Sleep modes with full wake-up capability
Leadless HVSON14 package (3.0 mm 4.5 mm) with improved Automated Optical
Inspection (AOI) capability and low thermal resistance
Dark green product (halogen free and Restriction of Hazardous Substances (RoHS)
compliant)
2.3 Low-drop voltage regulator for 5 V microcontroller supply (V1)
5 V nominal output; 2 % accuracy
100 mA output current capability
Current limiting above 150 mA
On-resistance of 5 (max)
Support for microcontroller RAM retention down to a battery voltage of 2 V
Undervoltage reset with selectable detection thresholds: 60 %, 70 %, 80 % or 90 % of
output voltage
Excellent transient response with a 4.7 F ceramic output capacitor
Short-circuit to GND/overload protection on pin V1
Turned off in Sleep mode
2.4 Power Management
Standby mode featuring very low supply current; voltage V1 remains active to maintain
the supply to the microcontroller
Sleep mode featuring very low supply current with voltage V1 switched off
Remote wake-up capability via standard CAN wake-up pattern
Local wake-up via the WAKE pin
Wake-up source recognition
Local and/or remote wake-up can be disabled to reduce current consumption
High-voltage output (INH) for controlling an external voltage (UJA1167ATK)
2.5 System control and diagnostic features
Mode control via the Serial Peripheral Interface (SPI)
Overtemperature warning and shutdown
Watchdog with independent clock source
Watchdog can be operated in Window, Timeout and Autonomous modes
Optional cyclic wake-up in watchdog Timeout mode
Watchdog automatically re-enabled when wake-up event captured
Watchdog period selectable between 8 ms and 4 s
Supports remote flash programming via the CAN bus
16-, 24- and 32-bit SPI for configuration, control and diagnosis
Bidirectional reset pin with variable power-on reset length to support a variety of
microcontrollers
Configuration of selected functions via non-volatile memory
UJA1167A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 23 August 2019
© NXP Semiconductors N.V. 2019. All rights reserved.
2 of 66


Part Number UJA1167A
Description Mini high-speed CAN system
Maker NXP
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