Overview
The UJA1169ATK/X/FZ is a mini high-speed CAN System Basis Chip (SBC) designed and manufactured by NXP Semiconductors. This component is part of the UJA1169 family, which integrates an ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 compliant HS-CAN transceiver, including CAN FD up to 5 Mbit/s. It also features an integrated 5 V or 3.3 V, 250 mA supply, a watchdog, a serial peripheral interface (SPI), and a LIMP output. The chip is optimized for automotive applications, offering high reliability and performance under harsh conditions.
Key Specifications
| Specification | Value |
|---|---|
| Package | HVSON-20-EP (3.5x5.5 mm) |
| Supply Voltage | 3 V to 28 V |
| Integrated Supply | 5 V or 3.3 V, 250 mA |
| CAN Transceiver | ISO 11898-2:2016, SAE J2284-1 to SAE J2284-5, CAN FD up to 5 Mbit/s |
| Interface | CAN, SPI |
| Operating Modes | Normal, Standby, Sleep, Reset |
| Wake-Up Capability | Bus and local wake-up |
| Partial Networking | ISO 11898-6:2013, CAN FD-passive |
| External Supply (VEXT) | 5 V, short-circuit proof to battery, ground, and negative voltages |
Key Features
- Integrated HS-CAN transceiver with CAN FD support up to 5 Mbit/s
- Integrated 5 V or 3.3 V, 250 mA supply for microcontroller and other loads
- Low-power Standby and Sleep modes with bus and local wake-up capability
- Serial Peripheral Interface (SPI) for control and diagnostics
- Watchdog and reset pin (RSTN)
- LIMP output
- Partial networking with CAN FD-passive support
- Robust ESD and EMC performance
- Compatible with 12V and 24V automotive batteries
- Low power consumption in sleep mode to enhance battery life
Applications
The UJA1169ATK/X/FZ is primarily designed for automotive systems, where it serves as a system basis chip with integrated CAN and SPI interfaces. It is suitable for various automotive applications, including vehicle networking, body control modules, and other systems requiring high-speed CAN communication. The chip's robust performance, low power consumption, and compliance with automotive industry standards make it an ideal choice for harsh automotive environments.
Q & A
- What is the UJA1169ATK/X/FZ?
The UJA1169ATK/X/FZ is a mini high-speed CAN System Basis Chip (SBC) designed for automotive applications.
- What are the key interfaces supported by the UJA1169ATK/X/FZ?
The chip supports CAN and SPI interfaces.
- What are the operating voltage ranges for the UJA1169ATK/X/FZ?
The chip operates within a supply voltage range of 3 V to 28 V.
- Does the UJA1169ATK/X/FZ support CAN FD?
- What are the power-saving features of the UJA1169ATK/X/FZ?
The chip features low-power Standby and Sleep modes with bus and local wake-up capability.
- Is the UJA1169ATK/X/FZ compatible with automotive batteries?
- What is the purpose of the VEXT supply in the UJA1169ATK/X/FZ?
The VEXT supply is a 5 V supply for off-board components, short-circuit proof to the battery, ground, and negative voltages.
- Does the UJA1169ATK/X/FZ support partial networking?
- What is the package type of the UJA1169ATK/X/FZ?
The chip is packaged in a 20-VFDFN Exposed Pad (HVSON-20-EP) with dimensions of 3.5 x 5.5 mm.
- Is the UJA1169ATK/X/FZ compliant with automotive industry standards?
- What are the environmental benefits of the UJA1169ATK/X/FZ?
The chip features low-energy modes to minimize power usage, focusing on sustainability.
