Feature
- Control Logic- Ensures safe powerup sequence and the correct reaction to different supply conditions - Controls mode transitions including the power management and wakeup treatmentbus wakeups, local wakeups (via WU pin) and cyclic wakeups (through the onchip timer)- Generates reset and interrupt requests
- Serial Peripheral Interface- Operates with 16bit frames- Ensures communication with the ECUs microcontroller unit- Mode settings, chip status feedback and watchdog are accessible through eight twelvebits registers
- 5 V VOUT Supply from a DC/DC Converter- Can deliver up to 500 mA with accuracy of 2%- Supplies typically the ECUs microcontroller- Suitable for start stop systems with battery voltage as low as 2.5V
- 5 V VOUT2 Lowdrop Output Regulator- Can supply external loadse.g. sensors- Controlled by SPI and the state machine- Protected against short to the car battery
- A Highspeed CAN Transceiver- ISO11898 compliant- TxD dominant timeout protection
- Two LIN Transceivers- LIN2.1 and J2602 compliant- TxD dominant timeout protection
- Wakeup Input WU- Edgesensitive highvoltage input- Can be used as a wakeup source or as a logical input polled through SPI
- Protection and Monitoring Functions- Monitoring of the main supply through the V_MID point- Monitoring of VOUT supply output withprogrammable threshold- VOUT2 supply diagnosis through SPI and interrupt- Thermal warning and thermal shutdown protection- Programmable watchdog monitoring the ECU software
Applications
- Automotive Body Control Modules
- Automobiles
(Picture: Pinout)
