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Mini High-Speed CAN System Basis Chip with Standby Mode
- This page contains information on a product that is not recommended for new designs.
This part is not recommended for new designs. For new designs, we recommend UJA1163ATK.
The UJA1163 is a mini high-speed CAN System Basis Chip (SBC) containing an ISO 11898-2/5 compliant HS-CAN transceiver and an integrated 5 V/100 mA supply for a microcontroller. The UJA1163 can be operated in a very low-current Standby mode with bus wake-up capability and supports ISO 11898-6 compliant autonomous CAN biasing.
The UJA1163 implements the standard CAN physical layer as defined in the current ISO11898 standard (-2 and -5). Pending the release of the updated version of ISO11898 including CAN FD, additional timing parameters defining loop delay symmetry are included. This implementation enables reliable communication in the CAN FD fast phase at data rates up to 2 Mbit/s.
HVSON14 Package
Product Details
Features
General
- ISO 11898-2 and ISO 11898-5 compliant high-speed CAN transceiver
- Loop delay symmetry timing enables reliable communication at data rates up to 2 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
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 61000-4-2 on the CAN bus pins and on pin BAT
- 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 mode with full wake-up capability
- Leadless HVSON14 package (3.0 mm x 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)
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 Ω (max)
- Support for microcontroller RAM retention down to a battery voltage of 2 V
- Undervoltage reset at 90 % of nominal value
- Excellent transient response with a 4.7 μF ceramic output capacitor
- Short-circuit to GND/overload protection on pin V1
Power Management
- Standby mode featuring very low supply current; voltage V1 remains active to maintain the supply to the microcontroller
- Remote wake-up capability via standard CAN wake-up pattern
System Control and Diagnostic Features
- Mode control via pin STBN
- Overtemperature shutdown
- Bidirectional reset pin
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