TLE9278BQXXUMA1

TLE9278BQXXUMA1 is a multi-CAN power+ system basis chip. It offers the highest level of integration at smallest footprint for automotive applications requiring multiple channels of CAN transceivers like gateways and high-end Body Control Modules (BCM). A high-efficient Switch Mode Power Supply (SMPS) buck regulator provides an external 5.0V output voltage at up to 750mA while an additional DC/DC boost converter supports applications or conditions at low supply input voltages. The device is controlled and monitored via a 16bit Serial Peripheral Interface (SPI). Additional features include a time-out/window watchdog circuit with reset, fail output and undervoltage reset. Potential applications includes gateways, body control modules, driver assistance, and chassis control.

• Very low quiescent current consumption in stop and sleep mode
• Dedicated pin for I/O voltage supply selection
• Four CAN transceivers compliant to CAN flexible data-rate (FD)
• One universal high voltage wake input for voltage level monitoring including wake up capability
• Cyclic wake feature via an integrated timer
• Reset output to ensure stable supply to the MCU
• Fail output to activate external load in case of system malfunctions are detected
• Output voltage supervision functions in all output supply voltages
• Overtemperature and short circuit protection feature
• PG-VQFN-48 package, junction temperature range from -40 to 150°C

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