The TLE9471ES V33 is a monolithically integrated circuit in an exposed pad PG-TSDSO-24-1 (150 mil) power package. The device is designed for various CAN automotive applications as main supply for the microcontroller and as interface for a CAN bus network. To support these applications, the System Basis Chip (SBC) provides the main functions, such as a 5 V lowdropout voltage regulator (Buck SMPS) for e.g. a microcontroller supply, another 5 V low-dropout voltage regulator with off-board protection for e.g. sensor supply, a HS-CAN transceiver supporting CAN FD for data transmission, a high-voltage GPIO with embedded protective functions and a 16-bit Serial Peripheral Interface (SPI) to control and monitor the device. Also implemented are a configurable timeout / window watchdog circuit with a reset feature, one Fail Output and an undervoltage reset feature. The device offers low-power modes in order to minimize current consumption on applications that are connected permanently to the battery. A wake-up from the low-power mode is possible via a message on the buses, via the bi-level sensitive monitoring/wake-up input as well as via cyclic wake.
特征描述
? Very low quiescent current consumption in Stop- and Sleep Mode
? Periodic Cyclic Wake in SBC Normal-, Stop- and Sleep Mode
? Periodic Cyclic Sense in SBC Normal-, Stop- and Sleep Mode
? Low-Drop Buck DC/DC Voltage Regulator 3.3 V, 500 mA for main supply with integrated spread spectrum modulation feature for optimum EMC performance
? Low-Drop Linear Voltage Regulator 5 V, 100 mA, protected features for off-board usage
? High-Speed CAN transceiver supporting FD communication up to 5 Mbit/s according to ISO 11898-2:2016 & SAE J2284
? Fully compliant to “Hardware Requirements for LIN, CAN and FlexRay Interfaces in Automotive Applications” Revision 1.3, 2012-05-04
? Charge pump-Output for N-channel MOSFET reverse-polarity protection with integrated spread spectrum modulation feature for optimum EMC performance
? Universal High-Voltage Wake Input for voltage level monitoring and wake detection
? General Purpose High-Voltage In- and Output (GPIO) configurable as Fail Output, Wake Input, Low-Side switch or High-Side switch
? HIgh-Voltage Measurement Function as alternate pin assignment
? Fail Outputs for Fail-Safe signalization
? Configurable wake-up sources
? Reset Output & Interrupt Output
? Configurable timeout and window watchdog
? Overtemperature and short circuit protection feature
? Dedicated TEST pin for SBC Development Mode entry (watchdog counter stopped)
? Software compatible to all SBC families TLE926x and TLE927x
? Wide supply input voltage and temperature range
? Optimized for Electromagnetic Compatibility (EMC) and low Electromagnetic Emission (EME)
? Optimized for high immunity against Electromagnetic Interference (EMI)
? AEC Qualified & Green Product (RoHS compliant)
潜在应用
? In-Cabin Wireless Charger
? Transmission, Transfer Case, Gear shifter and selectors
? Exhaust module and NOx sensor
? In-Cabin Wireless Charger
? Water pump
? Wiper
? HVAC ECU and Control panel
? Light Control Unit (LCU) for front, rear and ambient
? Seat belt pretension
? Steering column and steering lock
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