Overview
The TLE7368EXUMA3, produced by Infineon Technologies, is a multifunctional power supply circuit designed specifically for next-generation microcontroller systems, particularly in automotive powertrain applications. This device integrates a high-efficiency power supply system that includes a pre-regulator, post-regulators, and various control circuits to ensure reliable and efficient power delivery across a wide range of operating conditions.
Key Specifications
| Parameter | Specification |
|---|---|
| Battery Input Voltage Range | 4.5 V to 45 V |
| Operating Temperature Range | Tj = -40°C to +150°C |
| Pre-regulator Output | 5.5 V / 2.5 A (Integrated current mode Buck converter) |
| Post-regulator Outputs | LDO1: 5 V ±2%, 800 mA; LDO2: 3.3 V ±2% or 2.6 V ±2%, 700 mA |
| Core Supply Outputs | LDO3 control for external NPN power stage: 1.5 V ±2%, 1.2 V ±2%, or 1.3 V ±2% |
| Tracking Regulators | 2 regulators following the main 5 V, 105 mA and 50 mA |
| Stand-by Regulator | Linear voltage regulator, hardware selectable output voltages as 1.0 V or 2.6 V, 30 mA |
| Package | Low Rthja Power-P-DSO-36; small exposed pad PG-DSO-36 |
Key Features
- High-efficiency next-generation microcontroller power supply system
- Wide battery input voltage range and operating temperature range
- Integrated current mode Buck converter with a pre-regulated voltage of 5.5 V and a minimum peak current capability of 2.5 A
- Post-regulators for system and controller I/O supply with high accuracy and current limits
- Integrated linear regulator control circuit for controller cores with external power stage
- Two tracking regulators following the main 5 V output
- Stand-by mode with low current consumption and hardware selectable output voltages
- Undervoltage detection circuits and overcurrent protection on all regulators
- Power sequencing and overtemperature shutdown
- Thermal enhanced exposed-pad package for wide temperature range
Applications
- Powertrain: Transmission, Engine Management Systems (EMS)
- Safety: Electronic Power Steering (EPS)
Q & A
- What is the input voltage range of the TLE7368EXUMA3? The input voltage range is from 4.5 V to 45 V.
- What are the output voltages of the post-regulators? The post-regulators provide 5 V ±2% and 3.3 V ±2% or 2.6 V ±2%.
- What is the current capability of the post-regulators? The current capability is 800 mA for LDO1 and 700 mA for LDO2.
- What is the purpose of the stand-by mode? The stand-by mode reduces current consumption to a minimum for extended battery lifetime.
- How does the device handle overtemperature conditions? The device features an overtemperature shutdown mechanism.
- What kind of protection does the TLE7368EXUMA3 offer? It offers undervoltage detection, overcurrent protection, and power sequencing.
- What are the typical applications of the TLE7368EXUMA3? Typical applications include powertrain systems like transmission and EMS, and safety systems like EPS.
- What is the operating temperature range of the TLE7368EXUMA3? The operating temperature range is from -40°C to +150°C.
- How does the device manage power sequencing? The device provides a controlled power up sequence of the three output voltages.
- Is the TLE7368EXUMA3 AEC qualified? Yes, the TLE7368EXUMA3 is AEC qualified.
