TLE 7368-3E Infineon Technologies, TLE 7368-3E Datasheet
TLE 7368-3E
Specifications of TLE 7368-3E
Related parts for TLE 7368-3E
TLE 7368-3E Summary of contents
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Next Generation Micro Controller Supply TLE7368G TLE7368E TLE7368-2E TLE7368- Rev. 2.1, 2010-11- ...
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Table of Contents 1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Next Generation Micro Controller Supply 1 Overview Features • High efficient next generation microcontroller power supply system • Wide battery input voltage range < 4 • Operating temperature range • Pre-regulator for low all over ...
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Description 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 m lithography) where voltage ...
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... Block Diagram IN EN_µC EN_IGN RO_1 RT RO_2 WDI IN_STBY MON_STBY Figure 1 Block Diagram Data Sheet INT.BIASING, CHARGE PUMP PWM CONTROLLER 5.5V TLE 7368 TEMPERATURE SENSE ENABLE ≥ 1 5.0V RESET (WINDOW COMPARATOR) TIMING 2.6/3.3V RESET 1.5/ (WINDOW 1.2/ COMPARATOR) 1.3V WINDOW WATCHDOG 1.0/2.6V STANDBY MONITOR GND_A 5 Block Diagram BST ...
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... WDO C1 WDI C2 SEL_Q2 CCP 16 21 N.C. TLE 7368 E GND_P GND_A Function Analog ground connection; Connect to heatslug resp. exposed pad. Reset and watchdog timing pin; Connect a ceramic capacitor to GND to determine the time base for the reset delay circuits and the watchdog cycle time Reset output Q_LDO1 ...
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Pin Pin Symbol (TLE7368G) (TLE7368E IN_LDO2 7 6 Q_LDO2 8 7 Q_T1 9 8 Q_T2 10 9 EN_uC 11 10 EN_IGN 12 11 SEL_STBY ...
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Pin Pin Symbol (TLE7368G) (TLE7368E SEL_LDO2 23 24 WDI 24 25 WDO 25 BST 28 29 FB/L_IN 29 30 Q_LDO1 30 31 FB_EXT 31 32 DRV_EXT 32, 33 – N. ...
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General Product Characteristics 4.1 Absolute Maximum Ratings 1) Absolute Maximum Ratings +150 C; all voltages with respect to ground. j Pos. Parameter Stand-by Regulator Input IN_STBY 4.1.1 Voltage 4.1.2 Current Selection Input SEL_STBY 4.1.3 ...
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Absolute Maximum Ratings (cont’ - +150 C; all voltages with respect to ground. j Pos. Parameter Reset Output RO_2 4.1.24 Voltage 4.1.25 Voltage 4.1.26 Current Reset Timing RT 4.1.27 Voltage 4.1.28 Voltage 4.1.29 Current Tracking Regulator ...
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Absolute Maximum Ratings (cont’ - +150 C; all voltages with respect to ground. j Pos. Parameter Feedback and Post-Regulators Input FB/L_IN 4.1.52 Voltage 4.1.53 Voltage 4.1.54 Current Linear Regulator 2 Input IN_LDO2 4.1.55 Voltage 4.1.56 Voltage ...
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Note: Stresses above the ones listed here may cause permanent damage to the device. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Note: Integrated protection functions are designed to prevent IC destruction under fault conditions ...
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Electrical Characteristics Electrical Characteristics 13 - +150 C, IN IN_STBY 9.0 V; SEL_STBY = Q_STBY; all voltages with respect to ground. CCP Pos. Parameter Buck Regulator 4.4.1 ...
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Electrical Characteristics (cont’ +150 C, IN IN_STBY 9.0 V; SEL_STBY = Q_STBY; all voltages with respect to ground. CCP Pos. Parameter Voltage Regulator Q_LDO1 4.4.16 Output ...
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Electrical Characteristics (cont’ +150 C, IN IN_STBY 9.0 V; SEL_STBY = Q_STBY; all voltages with respect to ground. CCP Pos. Parameter 4.4.32 Drop voltage 4.4.33 Load ...
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Electrical Characteristics (cont’ +150 C, IN IN_STBY 9.0 V; SEL_STBY = Q_STBY; all voltages with respect to ground. CCP Pos. Parameter 4.4.51 Power supply ripple rejection ...
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Electrical Characteristics (cont’ +150 C, IN IN_STBY 9.0 V; SEL_STBY = Q_STBY; all voltages with respect to ground. CCP Pos. Parameter 4.4.65 Load regulation 4.4.66 Line ...
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Electrical Characteristics (cont’ +150 C, IN IN_STBY 9.0 V; SEL_STBY = Q_STBY; all voltages with respect to ground. CCP Pos. Parameter 4.4.79 Undervoltage Reset threshold on ...
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Electrical Characteristics (cont’ +150 C, IN IN_STBY 9.0 V; SEL_STBY = Q_STBY; all voltages with respect to ground. CCP Pos. Parameter 4.4.97 Overvoltage Reset threshold on ...
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Electrical Characteristics (cont’ +150 C, IN IN_STBY 9.0 V; SEL_STBY = Q_STBY; all voltages with respect to ground. CCP Pos. Parameter 4.4.112 Undervoltage Reset headroom on ...
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Electrical Characteristics (cont’ +150 C, IN IN_STBY 9.0 V; SEL_STBY = Q_STBY; all voltages with respect to ground. CCP Pos. Parameter 4.4.128 Overvoltage Reset reaction time ...
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Electrical Characteristics (cont’ +150 C, IN IN_STBY 9.0 V; SEL_STBY = Q_STBY; all voltages with respect to ground. CCP Pos. Parameter Monitoring Block 4.4.129 MON_STBY, Threshold ...
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Electrical Characteristics (cont’ +150 C, IN IN_STBY 9.0 V; SEL_STBY = Q_STBY; all voltages with respect to ground. CCP Pos. Parameter Window Watchdog 4.4.136 H-input voltage ...
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Detailed Internal Circuits Description In the following the main circuit blocks of the TLE7368, namely the Buck converter, the linear regulators, the trackers, the charge pump, the enable and reset circuits and the watchdog are described in more detail. ...
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Figure 3 Buck Converter Block Diagram 5.1.3 Electromagnetic Emission Reduction The Buck DMOS power stage is implemented as multiple cells. This allows to control the slope of the power stage’s current at turn on/off by sequentially turning on/off the cells, ...
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Charge Pump The charge pump serves as support circuit for the Buck converter’s high side driver supply, the linear regulators drive circuits for low drop operation and the internal device biasing blocks. In order to guarantee full device operation ...
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Power Up and Power Down Sequencing In a supply system with multiple outputs the sequence of enabling the individual regulators is important. Especially 32-bit microcontrollers require a defined power up and power down sequencing. the power up and power ...
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IN CCP V CCP BST FB/L_IN V Q_LDO1 V Q_LDO2 V Q_LDO1 V FB_EXT V Q_LDO2 V Q_T<1,2> V Q_LDO1 Figure 4 Power Sequencing of the TLE7368 Data Sheet V ...
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Stand-by Regulator The intention of the stand-by or keep alive regulator is to supply e.g. external memory even with the main microcontroller supply being disabled. Therefore the state of the stand-by regulator is not controlled by the enable block, ...
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V FB/L_IN V ORT Q_LDO1 Q_LDO1 ORT Q_LDO1 RD, RO_1 *) V RO_1 V ORT Q_LDO2 Q_LDO2 ORT Q_LDO2 FB_EXT V ORT FB_EXT ORT FB_EXT RD, ...
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Monitoring Circuit The monitoring block within the TLE7368 detects an undervoltage at the stand-by regulator output and is able to distinguish between two different undervoltage situations. When the stand-by output gets back into regulation after an undervoltage event, the ...
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IN_STBY V Q_STBY *) V RO_1 *) t V RR, MON_STBY MON_STBY Power on reset functionality, with RO_1 low during under voltage at Q_STBY *) output pulled to e.g. Q_LDO1 by 10kOhm Figure 7 Stand by Monitor ...
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Watchdog Circuit Trigger During Closed Window Figure 8 Window Watchdog State Diagram Principle of Operation: A Window Watchdog is integrated in the TLE7368 to monitor a microcontroller. The Window Watchdog duty cycle consists of an "Open window" and a ...
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WDI. A valid trigger signal is a falling edge from the "Open Window" the watchdog immediately terminates the "Open Window" and enters the "Closed Window" state. The "Closed Window" has a fixed duration applied during the "Closed Window. After ...
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... Figure 10 Application Diagram, Example Note: This is a very simplified example of an application circuit. The function must be verified in the real application. Data Sheet C1 C2 CCP INT.BIASING, CHARGE PUMP PWM CONTROLLER 5.5V TLE 7368 TEMPERATURE SENSE ENABLE ≥ 1 5.0V RESET (WINDOW COMPARATOR) TIMING 2.6/3.3V RESET 1.5/ (WINDOW 1 ...
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This section intends to give hints for correct set up of the IC, i.e. to avoid misbehavior caused by the influence of other PCB board circuits and shows also how to calculate external components, power loss, etc. 6.1 Choosing Components ...
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Setting up the Stand-by Regulator The stand by regulator provides an output current sourced via linear regulation directly from Battery even when the main regulator is disabled. This low quiescent current regulator is commonly used ...
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Package Outlines 1.1 ±0.1 0. 0.65 = 11.05 36 Index Marking 45˚ 1) Does not include plastic or metal protrusion of 0.15 max. per side 2) Stand off Figure 11 Power-P-DSO-36 (Plastic - Dual ...
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Index Marking Exposed Diepad Dimensions Package PG-DSO-36-24, -41, -42 PG-DSO-36-38 PG-DSO-36-38 PG-DSO-36-50 1) Does not include plastic or metal protrusion of 0.15 max. per side 2) Does ...
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Revision History Rev Date Changes 2.1 2010-11-22 • Final datasheet for TLE7368G, TLE368E, TLE7368-2E and TLE7368-3E • No modification of component or change of electrical parameters 2.0 2009-12-16 • Final datasheet for TLE7368G and TLE7368E • Target Datasheet for ...
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... Infineon Technologies Office. Infineon Technologies components may be used in life-support devices or systems only with the express written approval of Infineon Technologies failure of such components can reasonably be expected to cause the failure of that life-support device or system or to affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body or to support and/or maintain and sustain and/or protect human life ...