TLE8108EM Infineon Technologies, TLE8108EM Datasheet
TLE8108EM
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TLE8108EM Summary of contents
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... Smart 8-Channel Low Side Relay Driver with SPI Interface coreFLEX TLE8108EM Rev. 1.0, 2011-03- ...
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Table of Contents 1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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... Green product (RoHS compliant) • AEC qualified Description The TLE8108EM is an 8-Channel Low Side Switch in PG-SSOP-24 package providing embedded protective functions especially designed as relay driver for powertrain automotive applications. A serial peripheral interface (SPI) is implemented for control and diagnosis of the device and the load. ...
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... The SPI interface provides daisy chain capability. The TLE8108EM is equipped with 4 input pins that can be used to directly control their dedicated channels thus offering flexibility in design and PCB layout. The input multiplexer is controlled via SPI. ...
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... Control IN1 IN2 Input MUX, Control IN3 IN4 CS SCLK SPI SI SO Diagnosis Register Figure 1 Block Diagram for the TLE8108EM Data Sheet Smart 8-Channel Low Side Switch VDD Temperature Control, Sensor Diagnostic, Protection Short Circuit Functions Detection Open Load Detection Gate Control ...
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Pin Configuration 3.1 Pin Assignment Figure 2 Pin Configuration 3.2 Pin Definitions and Functions Pin Symbol I/O Power Supply 13,24 VDD - 1,2,11,12 GND - Cooling GND - TAB Power Stages 3 OUT1 O 4 OUT2 O 5 OUT3 ...
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Pin Symbol I/O 16 IN2 I 15 IN3 I 14 IN4 RST I SPI SCLK O=Output; I=Input; PD=integrated pull-down resistor; PU=integrated pull-up resistor ...
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General Product Characteristics 4.1 Absolute Maximum Ratings 1) Absolute Maximum Ratings T Unless otherwise specified: = -40°C to +150°C; j All voltages with respect to ground, positive current flowing into pin Pos. Parameter Power Supply 4.1.1 Supply voltage 4.1.2 ...
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Thermal Resistance Note: This thermal data was generated in accordance with JEDEC JESD51 standards. For more information go to www.jedec.org. Pos. Parameter 4.2.1 Junction to Case 4.2.2 Junction to Ambient (2s2p) 1) Not subject to production test, specified by ...
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... Power Supply and Reset The TLE8108EM is supplied by a single power supply line together. After power supply start-up, the input registers of the device are programmed to OFF mode for all channels. The output registers must be reset to their default values by programming the Clear mode for all channels once ...
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... Switching Inputs IN1 to IN4 There are four input pins available at TLE8108EM, which can be configured to be used for control of the output stages. The SPI INn parameter selects the input pin to be used. IN4 IN3 IN2 IN1 I IN1 RST Figure 5 Input Matrix and Logic The current sink to ground ensures that the channels switch off in case of an open input pin ...
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... Nevertheless, the maximum allowed load inductance is limited dedicated output enters clamping mode, the channel can be turned on again after clamping has disappeared. Figure 6 Internal Clamping Principle Clamping Energy During demagnetization of inductive loads, energy has to be dissipated in the TLE8108EM. This energy can be calculated with following equation ⋅ ...
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Timing Diagrams The power transistors are switched on and off with a dedicated slope via the IN bits of the serial peripheral interface SPI or by the dedicated input pins and the input mode which is also programmed by ...
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Electrical Characteristics Note: Characteristics show the deviation of parameters at given supply voltage and junction temperature. Typical values show the typical parameters expected from manufacturing. Electrical Characteristics: Supply, Inputs, Reset and Power Stages All voltages with respect to ground, ...
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Electrical Characteristics: Supply, Inputs, Reset and Power Stages (cont’d) All voltages with respect to ground, positive currents are flowing into pin V unless otherwise specified: DD Pos. Parameter 5.3.19 Reset signal duration (Figure 5.3.20 Turn on time ...
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... Data Sheet. Fault conditions are considered as “outside” normal operating range. Protection functions are not designed for continuous repetitive operation. 6.1 Overload Protection The TLE8108EM is protected in case of Overload or short circuit of the load. After time n channel switches off and the according diagnosis information is stored into the corresponding diagnosis register. ...
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Protection Characteristics Note: Characteristics show the deviation of parameters at given supply voltage and junction temperature. Typical values show the typical parameters expected from manufacturing. Electrical Characteristics: Protection All voltages with respect to ground, positive currents are flowing into ...
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... Diagnosis Features The SPI of TLE8108EM provides diagnosis information about the device and about the load. The following diagnosis states are implemented: • Short circuit to battery (SCB): Can be detected if stages are turned on • Short circuit to ground (SCG): Can be detected if stages are turned off (channel either in OFF or in input mode with the dedicated input low) • ...
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Failure Mode Comment • In OFF state without clamping an Overtemperature will not be recognized. The Overtemperature channel can be switched on after the event vanishes without any diagnosis entry. • In OFF state when the output voltage is limited ...
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D(PD)max I D(PD)min 0 I D(PU)max SCG I D(PU)min V DS(SCG) Figure 9 SCG and OL diagnosis function (overview only) Note: Characteristics show the deviation of parameters at given supply voltage and junction temperature. Typical values show ...
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... SO Chip Select: The system microcontroller selects the TLE8108EM by means of the CS pin. Whenever the pin is in low state, data transfer can take place. When high state, any signals at the SCLK and SI pins are ignored and SO is forced into a high impedance state. ...
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... Data from shift register is transferred into the input matrix register only if a multiple of 8 SCLK signals after the falling edge of CS has been detected, while the minimum valid length of 16 clocks for the 16-bit register TLE8108EM is taken into account. SCLK - Serial Clock: This input pin clocks the internal shift register ...
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... In the SPI block of each device, there is a shift register where one bit from SI line is shifted at each SCLK. The bit shifted out can be seen at SO. After 16 SCLK cycles, the data transfer for one TLE8108EM has been finished. In single chip configuration, the CS line must go high to make the device accepting the transferred data. In daisy chain configuration the data shifted out at device #1 is shifted in at device #2 ...
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... SPI Protocol The SPI protocol of the TLE8108EM provides two registers. The input register and the diagnosis register. The diagnosis register contains 8 pairs of diagnosis flags, the input register contains the input multiplexer configuration. After power-on reset, all input register bits are set to 1 which is the OFF state. ...
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Timing Diagrams CS(lead) SCLK SO(en) SO Figure 14 Timing Diagram 8.4 SPI Characteristics Note: Characteristics show the deviation of parameters at given supply voltage and junction temperature. Typical values show the typical parameters ...
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Electrical Characteristics: Serial Peripheral Interface (SPI) (cont’d) All voltages with respect to ground, positive currents are flowing into pin V unless otherwise specified: DD Pos. Parameter 8.4.6 H-input pull-down current through pin SCLK SI Output Characteristics (SO) 8.4.7 L level ...
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Application Information Note: The following information is given as a hint for the implementation of the device only and shall not be regarded as a description or warranty of a certain functionality, condition or quality of the device. Figure ...
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Package Outlines 2) 0.25 ±0. 8.65 Index Marking 1) Does not include plastic or metal protrusion of 0.15 max. per side 2) Does not include dambar protrusion of 0.13 max. Figure 16 PG-SSOP-24 (Plastic Dual Small ...
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Revision History Revision Date Changes Rev. 1.0 2011-03-24 Released Data Sheet Data Sheet Smart 8-Channel Low Side Switch 29 TLE 8108 EM Revision History Rev. 1.0, 2011-03-23 ...
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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 ...