TLE9261BQX System Basis Chip Mid-Range+ System Basis Chip Family Features Two integrated Low-Drop Voltage Regulators: Main regulator (5 V or 3.3 V up to 250 mA) and auxiliary regulator (5 V up to 100 mA) with off-board usage protection Voltage regulator (5 V, 3.3 V or 1.8 V) with external PNP transistor configurable for off-board usage or for load sharing 1 high-speed CAN transceiver supporting FD communication up to 5 Mbit/s featuring CAN Partial Networking & CAN FD tolerant mode according to ISO 11898-2:2016 & SAE J2284 4 high-side outputs 7 typ., 2 HV GPIOs, 3 HV wake inputs Integrated fail-safe and supervision functions, e.g. fail-safe, watchdog, interrupt- and reset outputs 16-bit SPI for configuration and diagnostics Potential applications Body Control Modules (BMC), Passive keyless entry and start modules, Gateway applications Heating, ventilation and air conditioning (HVAC) Seat, roof, tailgate, trailer, door and other closure modules Light control modules Gear shifters and selectors Product validation Qualified for automotive applications. Product validation according to AEC-Q100/101. Description Body System IC with Integrated Voltage Regulators, Power Management Functions, HS-CAN Transceiver supporting CAN FD. Featuring Multiple High-Side Switches and High-Voltage Wake Inputs. Type Package Marking TLE9261BQX PG-VQFN-48-31 TLE9261BQX Datasheet 1 Rev. 1.1 www.infineon.com 2019-09-27 TLE9261BQX Table of Contents Features 1 Potential applications . 1 Product validation 1 Description 1 Table of Contents . 2 1 Overview 5 2 Block Diagram . 7 3 Pin Configuration . 8 3.1 Pin Assignment . 8 3.2 Pin Definitions and Functions 9 3.3 Hints for Unused Pins 11 3.4 Hints for Alternate Pin Functions 11 4 General Product Characteristics . 12 4.1 Absolute Maximum Ratings . 12 4.2 Functional Range 14 4.3 Thermal Resistance 15 4.4 Current Consumption 16 5 System Features 20 5.1 Block Description of State Machine . 21 5.1.1 Device Configuration and SBC Init Mode . 22 5.1.1.1 Device Configuration . 22 5.1.1.2 SBC Init Mode . 25 5.1.2 SBC Normal Mode 26 5.1.3 SBC Stop Mode 27 5.1.4 SBC Sleep Mode . 28 5.1.5 SBC Restart Mode 29 5.1.6 SBC Fail-Safe Mode 30 5.1.7 SBC Development Mode 31 5.2 Wake Features 33 5.2.1 Cyclic Sense . 33 5.2.1.1 Configuration and Operation of Cyclic Sense . 34 5.2.1.2 Cyclic Sense in Low Power Mode 37 5.2.2 Cyclic Wake . 38 5.2.3 Internal Timer . 39 5.3 Supervision Features . 39 6 Voltage Regulator 1 40 6.1 Block Description 40 6.2 Functional Description . 41 6.3 Electrical Characteristics . 42 7 Voltage Regulator 2 45 7.1 Block Description 45 7.2 Functional Description . 46 Datasheet 2 Rev. 1.1 2019-09-27