Infineon present the TLE7368 series power-supply device that is designed for automotive powertrain systems. The multifunctional dc-dc converter will supply and monitor next generation 32-bit microcontroller families. The power supply IC has a wide input voltage that can reach up to 45 volts and has many additional features including a buck converter along with linear regulators, reset generator, watchdog and more.
The TLE7368 is based on Infineon’s Power technology SPT™
Microcontroller power supply system
PG-DSO-36 packages only
Allowing power to the application at high ambient temperatures
Step-down converter has a pre-regulated 5.5 voltage
Reduced power dissipation
Operating temperature range -40 °C to +150 °C
Under-voltage detection: Under-voltage reset /Under-voltage monitoring
Window watchdog circuit
Over-temperature shutdown
Green Product (RoHS compliant)
AEC Qualified
Energy saving Stand-by mode
Selection pin allows configuration of the output voltages of the stand-by regulator to suit your application
Feature
- High efficient next generation microcontroller power supply system
- Wide battery input voltage range < 4.5 V up to 45 V
- Operating temperature range Tj = -40 °C to +150 °C
- Pre-regulator for low all over power loss: Integrated current mode Buck converter 5.5 V/2.5 A
- Post-regulators, e.g. for system and controller I/O supply: LDO1: 5V ±2%, 800 mA current limit, LDO2: 3.3 V ±2% or 2.6V ±2% (selectable output), 700 mA current limit
- Integrated linear regulator control circuit to supply controller cores: LDO3 control for an external NPN power stage: 1.5V ±2%
- Post-regulators for off board supply: 2 Tracking regulators following the main 5 V, 105 mA and 50 mA
- Stand-by regulator with lowest current consumption: Linear voltage regulator as stand-by supply for e.g. memory circuits: Hardware selectable output voltages as 1.0 V or 2.6 V, 30 mA, Independent battery input, separated from Buck regulator input
- Hardware controlled on/off logic
- Undervoltage detection: Undervoltage reset circuits with adjustable reset delay time at power up, Undervoltage monitoring circuit on stand-by supply
- Window watchdog circuit
- Overcurrent protection on all regulators
- Power sequencing on controller supplies
- Overtemperature shutdown
- Packages: Low Rthja Power-P-DSO-36; small exposed pad PG-DSO-36
- PG-DSO-36 only: Green Product (RoHS compliant)
- AEC Qualified
- High efficiency for complex supply systems
- High buck current maintains operation under short circuit condition
- Low current consumption in stand-by
- Easy realization of multiple supply rail systems
- Monitoring and control of µC by reset generator and window-watchdog
- Thermal enhanced exposed-pad package for wide temperature range
Applications
- Powertrain: Transmission, EMS
- Safety: EPS
