TLE7368-2E Product Details
The TLE7368 device is a multifunctional power supply circuit especially designed for Automotive powertrain systems using a standard 12 V battery. The device is intended to supply and monitor next generation 32-bit microcontroller families (13 μm lithography) where voltage levels such as 5 V, 3.3 V or 1.2 V are required. The regulator follows the concept of its predecessor TLE6368, where the output of a pre-regulator feeds the inputs of the micro’s linear supplies. In detail, the TLE7368 cascades a Buck converter with linear regulators and voltage followers to achieve lowest power dissipation. This configuration allows to power the application even at high ambient temperatures. The step-down converter delivers a pre-regulated voltage of 5.5 V with a minimum peak current capability of 2.5 A. Supplied by this step down converter two low drop linear post-regulators offer 5 V and 3.3 V (2.6 V) with high accuracy. The current capability of the regulators is 800 mA and 700 mA. The 3.3 V (2.6 V) linear regulator does have its own input allowing to insert a dropper from the Buck output to reduce the on chip power dissipation if necessary. For the same reason, reduction of on chip power dissipation, the core supply (1.5 V, 1.2 V or 1.3 V) follows the concept of integrated control circuit with external power stage. Implementing the on board and microcontroller supplies in this way described, allows operation even at high ambient temperatures. The regulator system contains the so called power sequencing function which provides a controlled power up sequence of the three output voltages.In addition to the main regulators the inputs of two voltage trackers are connected to the 5.5 V Buck converter output voltage. Their protected outputs follow the main 5 V linear regulator with high accuracy and are able to drive loads of 50 mA and 105 mA. To monitor the output voltage levels of each of the linear regulators two independent undervoltage detection circuits are available. They can be used to implement the reset or an interrupt function.For energy saving reasons, e.g. while the motor is turned off, the TLE7368 offers a stand-by mode. The standby mode can be enabled and disabled either by battery or the microcontroller. In this stand-by mode just the standby regulator remains active and the current drawn from battery is reduced to a minimum for extended battery lifetime. A selection pin allows to configure the output voltages of the stand-by regulator to the application’s needs. The input of the stand-by regulator is separated from the high power input of the pre-/post-regulator system. The TLE7368 is based on Infineon’s Power technology SPT™ which allows bipolar, CMOS and power DMOS circuitry to be integrated on the same monolithic chip/circuitry.
- 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: 1.2V ±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
- 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
- Powertrain: Transmission, EMS
- Safety: EPS
- Input Voltage MAX
- 45 V
- Input Voltage MIN
- 4.5 V
- Part # Aliases
- SP000768086 TLE73682EXT TLE73682EXUMA1
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Estimated Delivery Time: Dec 10 - Dec 15 days (choose Expedited at checkout).
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1.We provide 90 days warranty.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
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- Q: What is the process for returns or replacement of TLE7368-2E?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment.
If there is something wrong with the TLE73682E we delivered, we will accept the replacement or return of the TLE7368-2E only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of TLE7368-2E.
(3)The TLE7368-2E is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
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More details about return electronic components please see our Return & Change Policy.
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