TLE9471-3ES

The TLE9471-3ES is a highly integrated system basis chip (SBC) from Infineon, designed for automotive applications. It combines a LIN transceiver, a voltage regulator, and a watchdog in a single package, enhancing system reliability and reducing PCB space.
Key features:
- LIN 2.x/SAE J2602 compliant transceiver
- 5V/100mA voltage regulator for microcontrollers
- Fail-safe modes for low-power operation
- Integrated watchdog & reset generator
- AEC-Q100 qualified for automotive use
Ideal for body control modules, sensors, and actuators, the TLE9471-3ES ensures robust communication and power management in harsh automotive environments. Its small PG-TSDSO-14 package makes it suitable for space-constrained designs.
For detailed specs, refer to Infineon’s datasheet.

The TLE9471-3ES (Infineon) is a multi-voltage power supply IC for automotive applications. Equivalent or similar products include:
- TLE9471-ES (earlier variant)
- L9369 (STMicroelectronics)
- MC33907/8 (NXP)
- TLF35584 (Infineon)
- UJA107x (NXP)
These alternatives offer comparable features like multi-output regulators, CAN/LIN interfaces, and safety functions. Always verify pin compatibility and specifications for your design.

The TLE9471-3ES is a highly integrated system basis chip (SBC) designed for automotive applications. Key features include:
- Power Supply: Integrated DC/DC buck converter (5V, 400mA) and LDO (5V, 150mA).
- Communication: Supports LIN 2.x/SAE J2602 and features a LIN transceiver with wake-up capability.
- Diagnostics: Comprehensive fault detection (overvoltage, undervoltage, overtemperature).
- Protection: Reverse polarity, load dump, and short-circuit protection.
- Wake-up: Supports local (pin) and remote (LIN) wake-up.
- Package: 32-pin VQFN (5x5mm), AEC-Q100 qualified.
Ideal for body control modules, sensors, and actuators in automotive systems.

The TLE9471-3ES is a 32-pin (VQFN-32 package) system basis chip (SBC) designed for automotive applications. Key functions include:
- Power supply: Integrated voltage regulators (5V and 3.3V).
- Communication: Supports LIN (Local Interconnect Network) transceiver.
- Monitoring: Watchdog timer, windowed or timeout mode.
- Protection: Overvoltage, undervoltage, and overtemperature detection.
- Control: High-side and low-side drivers for external loads.
It is commonly used in ECUs (Electronic Control Units) for body electronics and sensor interfaces.

The TLE9471-3ES is manufactured by Infineon Technologies, a German semiconductor company specializing in power management, automotive electronics, and security solutions. Infineon is a leading global supplier, particularly in automotive and industrial applications, known for high-performance, energy-efficient chips. The TLE9471-3ES is part of their embedded power IC lineup, designed for automotive systems like body control modules.
Infineon emerged as a spin-off from Siemens in 1999 and is headquartered in Neubiberg, Germany. It serves industries such as automotive, IoT, and renewable energy.

The TLE9471-3ES is a multi-voltage power supply IC designed for automotive applications. Key areas include:
1. Body Control Modules (BCM) – Manages lighting, wipers, and power distribution.
2. Gateway/Communication Modules – Supports CAN/LIN interfaces for in-vehicle networking.
3. Motor Control – Drives small motors (e.g., window lifters, sunroofs).
4. Sensors & Actuators – Powers and controls automotive sensors and actuators.
5. Infotainment & Clusters – Provides stable power for displays and audio systems.
Its integrated features (LDOs, watchdog, LIN transceiver) make it ideal for space-constrained, reliability-focused automotive systems.

The TLE9471-3ES comes in a PG-TSDSO-14 package, which is a 14-pin, thermally enhanced, exposed-pad small outline (SO) package. This surface-mount design improves thermal performance and is suitable for automotive applications. The exposed pad aids in heat dissipation, ensuring reliable operation in demanding environments.