TLE73683EXUMA2 Description

The TLE73683EXUMA2 device is a multifunctional power supply circuit especially designed for Automotive powertrain systems using a standard 12 V battery.

TLE73683EXUMA2 Features

• High efficient next-generation microcontroller power supply system

• Wide battery input voltage range < 4.5 V up to 45 V

• Operating temperature range T_j = -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:  1.3V ±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 a 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 the 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

TLE73683EXUMA2 Applications

• High efficiency for complex supply systems

• Low current consumption in standby

• Easy realization of multiple supply rail systems

• Monitoring and control of μC by reset generator and window-watchdog

• Thermal enhanced exposed-pad package for a wide temperature range