Overview
The TLE7368E, produced by Infineon Technologies, is a multifunctional power supply circuit designed specifically for automotive powertrain systems utilizing a standard 12 V battery. This device is intended to supply and monitor next-generation 32-bit microcontroller families, providing the necessary voltage levels such as 5 V, 3.3 V, or 1.5 V. The TLE7368E integrates a Buck converter with linear regulators and voltage followers to achieve low power dissipation, enabling operation even at high ambient temperatures.
Key Specifications
| Parameter | Specification |
|---|---|
| Input Voltage Range | 4.5 V to 45 V |
| Output Voltage Range | 3.23 V to 6.4 V |
| Pre-regulator Output | 5.5 V / 2.5 A |
| Post-regulator Outputs | LDO1: 5 V ±2%, 800 mA; LDO2: 3.3 V ±2% or 2.6 V ±2%, 700 mA |
| Core Supply | 1.5 V, 1.2 V, or 1.3 V with external power stage |
| Tracking Regulators | Two regulators following the main 5 V output, 105 mA and 50 mA |
| Stand-by Regulator | Hardware selectable output voltages as 1.0 V or 2.6 V, 30 mA |
| Operating Temperature Range | Tj = -40 °C to +150 °C |
| Package | Low Rthja Power-P-DSO-36; small exposed pad PG-DSO-36 |
Key Features
- High efficient next-generation microcontroller power supply system
- Wide battery input voltage range from 4.5 V to 45 V
- Operating temperature range from -40 °C to +150 °C
- Integrated current mode Buck converter delivering 5.5 V / 2.5 A
- Post-regulators for system and controller I/O supply with high accuracy
- Integrated linear regulator control circuit for controller cores
- Stand-by regulator with low current consumption and hardware selectable output voltages
- Undervoltage detection circuits with adjustable reset delay time
- Window watchdog circuit and overcurrent protection on all regulators
- Power sequencing on controller supplies 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 primary application of the TLE7368E?
The TLE7368E is primarily designed for automotive powertrain systems using a standard 12 V battery.
- What are the output voltages provided by the TLE7368E?
The device provides output voltages of 5 V, 3.3 V (or 2.6 V), and core supply voltages such as 1.5 V, 1.2 V, or 1.3 V.
- What is the input voltage range of the TLE7368E?
The input voltage range is from 4.5 V to 45 V.
- What is the operating temperature range of the TLE7368E?
The operating temperature range is from -40 °C to +150 °C.
- Does the TLE7368E have a stand-by mode?
Yes, the TLE7368E has a stand-by mode with low current consumption and hardware selectable output voltages.
- What kind of protection features does the TLE7368E offer?
The device includes overcurrent protection on all regulators, overtemperature shutdown, and undervoltage detection circuits.
- How does the TLE7368E manage power sequencing?
The device provides a controlled power-up sequence of the three output voltages.
- What packages are available for the TLE7368E?
The device is available in Low Rthja Power-P-DSO-36 and small exposed pad PG-DSO-36 packages.
- Is the TLE7368E RoHS compliant?
Yes, the PG-DSO-36 package is RoHS compliant.
- What are some potential applications of the TLE7368E?
Potential applications include powertrain systems such as transmission and engine management systems, and safety systems like electronic power steering.
