TLE7236E Infineon Technologies, TLE7236E Datasheet

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TLE7236E

Manufacturer Part Number
TLE7236E
Description
IC DRIVER SPI 8CH HS/LS 24SSOP
Manufacturer
Infineon Technologies
Type
High Side/Low Side Driverr
Datasheet

Specifications of TLE7236E

Input Type
SPI
Number Of Outputs
8
On-state Resistance
900 mOhm, 1.6 Ohm
Current - Output / Channel
350mA
Current - Peak Output
500mA
Voltage - Supply
9 V ~ 16 V
Operating Temperature
-40°C ~ 150°C
Mounting Type
Surface Mount
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
SP IDER
SPI Driver for Enhanced Relay Control
T L E 7 2 3 6 E M
SPI Driver for Enhanced Relay Control
Dat a Sheet
Rev. 1.0, 2010-02-18
Aut omotive Po wer

Related parts for TLE7236E

TLE7236E Summary of contents

Page 1

SP IDER SPI Driver for Enhanced Relay Control SPI Driver for Enhanced Relay Control Dat a Sheet Rev. 1.0, 2010-02-18 Aut omotive Po wer ...

Page 2

... SPI Signal Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 9.2 Daisy Chain Capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 9.3 SPI Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 9.4 Register Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 9.5 Timing Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 9.6 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 10 Package Outlines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 11 Application Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 12 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Data Sheet SPI Driver for Enhanced Relay Control 2 TLE7236EM Table of Contents Rev. 1.0, 2010-02-18 ...

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... A serial peripheral interface (SPI) is utilized for control and diagnosis of the device and the load. For direct control, there are two input pins available. The TLE7236EM provides a micro controller fail-safe function which is activated via a high signal at the limp home input pin. There is a power supply integrated in the device to ensure this functionality even without digital supply voltage ...

Page 4

... Suitable to switch 5 V power supply lines by auto configuring channels Data Sheet SPI Driver for Enhanced Relay Control V 4.0 … 3.0 … 5 DS(ON) 0.9 1.6 0.9 0.9 I L(nom, min) 350 mA 175 mA I 500 mA DS(OVL, min DS(OFF, max DS(CL, min) V -40 V bb(CL, max MHz SCLK(max) 4 TLE7236EM Overview Rev. 1.0, 2010-02-18 ...

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... V) independent from digital power supply ( bat supply is available. Furthermore, the TLE7236EM is equipped with two input pins that can be individually routed to the output control of each channel thus offering complete flexibility in design and PCB-layout. The input multiplexer is controlled via SPI. In limp home mode (fail-safe mode), the input pins are directly routed to the configurable output channels 4 and 5 ...

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... TLE7236EM Block Diagram VBB OUT0 OUT1 OUT2 OUT3 OUT6 OUT7 GND Overview_6.emf Rev. 1.0, 2010-02-18 ...

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... IN1 OUT3 I I IN2 OUT_D4 IN2 TLE7236EM DD OUT_S4 VDD OUT_D5 SCLK OUT_S5 SCLK OUT_D6 SI OUT6 OUT_D7 SO OUT7 GND SO I GND 7 TLE7236EM Block Diagram V bat V DS0 V V DS1 DS2 DS3 DS4 DS5 DS6 Terms_6.emf Out I in high-side configuration. OUT_S Rev. 1.0, 2010-02-18 ...

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... Drain of auto configuring power transistor 5 Source of auto configuring power transistor 5 Drain of low side power transistor channel 6 Drain of low side power transistor channel 7 Limp home activation input pin (pull down) Input multiplexer input 1 pin (pull down) 8 TLE7236EM Pin Configuration PG-SSOP -24-4.emf Rev. 1.0, 2010-02-18 ...

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... I/O 7 IN2 I SPI SCLK Others 1,2,11,12 n.c. I Data Sheet SPI Driver for Enhanced Relay Control Function Input multiplexer input 2 pin (pull down) SPI Chip select (pull up) Serial clock Serial data in Serial data out not connected 9 TLE7236EM Pin Configuration Rev. 1.0, 2010-02-18 ...

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... L -0.5 0.5 -0.25 0.25 V – -16 – Out_S V – 41 Out_D E AS – 65 – – 18 – – 50 – TLE7236EM Electrical Characteristics Unit Test Conditions V -40V max. 2 minutes V – V – A – V – V – V – 105 C j( 0. 150 C j( 0.250 A D( 105 C j( ...

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... ESD ( < < pulse pulse Symbol Limit Values Min. Max bb(nom bb(ext), bb(ext),low T -40 150 j 11 TLE7236EM Electrical Characteristics Unit Test Conditions 105 C j( 0.180 A D( 105 C j( 0.180 – – C – HBM Unit Conditions V – V Parameter ...

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... Limit Values Min. Typ. Max. R – – 4 thJC,back R – – 35 thJC,top R – – 12 thJPin R – 95 – thJA,min R – 50 – thJA,300 R – 40 – thJA,600 R – 31 – thJA,2s2p 12 TLE7236EM Electrical Characteristics Unit Conditions 2) K/W 2) K/W 2) K/W 3) K/W 4) K/W 5) K Rev. 1.0, 2010-02-18 ...

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... Figure 14 “Application Diagram” on Page 35 5.1 Operation Modes There is a limp home functionality implemented in the TLE7236EM, which is activated via pin LHI. Please refer to Section 5.2 for details. The device provides a sleep mode (stand by) to minimize current consumption, which also resets the register banks ...

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... LHI as well as the diagnosis flags can be read, but no command is accepted until the device leaves the Limp home operation. Data Sheet SPI Driver for Enhanced Relay Control V V and supply voltage levels are above under voltage threshold TLE7236EM Power Supply V is above DD Rev. 1.0, 2010-02-18 ...

Page 15

... DD(ON) I – DD(DO) I DD(Sleep) – – 20 – – 20 – – – – 200 wu(Sleep) t – – 1 bb(UVR) t – – 1 DD(UVR 13 TLE7236EM Power Supply Unit Test Conditions V – V Parameter Deviations possible < 1 Parameter Deviations possible all diagnosis off AWK= 0 LHI T 1) ...

Page 16

... MOSFET transistors. The gates of the high-side switches are controlled by charge pumps. 6.1 Input Circuit There are two input pins available at TLE7236EM, which can be configured to be used for control of the output stages. The INXn parameter of the input configuration register provide following possibilities: • ...

Page 17

... high side channel V DS(CL) V S(CL) GND Figure 5 Output Clamp Implementation Maximum Load Inductance During demagnetization of inductive loads, energy has to be dissipated in the TLE7236EM. This energy can be calculated with following equations  – bb DS(CL ---------------------------------- - ln 1  = DS(CL) R  ...

Page 18

... In input mode, a high signal at the input pin is equivalent to a SPI ON command and a low signal to SPI OFF command respectively. Please refer to Data Sheet SPI Driver for Enhanced Relay Control t t and are designed equally. ON OFF t OFF Section 9.3 for details on SPI protocol. 18 TLE7236EM Power Stages t t SwitchOn .emf Rev. 1.0, 2010-02-18 ...

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... V – – 5.5 V – 1) 0.1 – – – 0 13 resistive load I – 100 = 250 – 100 = 120 – 100 = 250 13 resistive load I – 100 = 250 – 100 = 120 – 100 = 250 mA DS Rev. 1.0, 2010-02-18 TLE7236EM Power Stages R thja ...

Page 20

... B 2 010 B 2 011 B 2 Type Description rw Input Multiplexer Configuration Channel n 00 Channel n is switched off 01 Channel n is switched by input 1 10 Channel n is switched by input 2 11 Channel n is switched on 20 TLE7236EM Power Stages 1 0 INX0 INX2 INX4 INX6 rw Rev. 1.0, 2010-02-18 ...

Page 21

... Reverse Polarity Protection There is a reverse polarity protection implemented in the TLE7236EM. This protection has to be divided into two parts. First the protection of the control circuits and second in the protection of the power transistors. The control circuits are reverse polarity protected by protective measures in the ground connection. In case of reverse polarity, there is no current flow through the control circuits ...

Page 22

... Thermal shut down temperature 1) Not subject to production test, specified by design Data Sheet SPI Driver for Enhanced Relay Control +150 13 Symbol min. I 0.5 Out(OVL) I 0.22 Out(OVL) t OFF(OVL) T 150 j(SC) 22 TLE7236EM Protection Functions Limit Values Unit Test Conditions typ. max. 1 170 C Rev. 1.0, 2010-02-18 ...

Page 23

... Diagnostic Features The SPI of TLE7236EM provides diagnosis information about the device and about the load. The diagnosis information of the protective functions of channel n is latched in the diagnosis flags Dn cleared by the SPI command CMD.CPL = 1. The CPL command clears itself with the next valid SPI communication frame. ...

Page 24

... D(OL0..3) I 100 L(DC0.. D(OL4,5) I 100 L(DCHS) I 100 L(DCLS D(OL6,7) I 100 L(DC6,7) Chapter 7) I 0.5 L(OVL) I 0.22 L(OVL) t – OFF(OVL) 24 TLE7236EM Diagnostic Features Uni Test Conditions t typ. max. – 250 s – 200 300 A measured at threshold 200 300 A measured at threshold 200 300 ...

Page 25

... Open load at OFF-state occurred 110 STB RST r/w r/w Description please refer to Section 7 for description please refer to Section 5.3 for description please refer to Section 5 for description please refer to Section 5 for description 25 TLE7236EM Diagnostic Features CPL r/w Rev. 1.0, 2010-02-18 ...

Page 26

... DCENn r Data Sheet SPI Driver for Enhanced Relay Control 100 DCEN2 DCEN1 r/w r/w 101 DCEN6 DCEN5 r/w r/w Description Diagnosis Current Enable Channel n 0 Diagnosis current disabled 1 Diagnosis current enabled 26 TLE7236EM Diagnostic Features 0 DCEN0 r/w 0 DCEN5 r/w Rev. 1.0, 2010-02-18 ...

Page 27

... SPI Signal Description CS - Chip Select: The system micro controller selects the TLE7236EM 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. ...

Page 28

... Daisy Chain Capability The SPI of TLE7236EM provides daisy chain capability. In this configuration several devices are activated by the same CS signal MCS. The SI line of one device is connected with the SO line of another device (see which builds a chain. The ends of the chain are connected with the output and input of the master device, MO and MI respectively ...

Page 29

... SPI Protocol The control and diagnosis function of the TLE7236EM is based on two register banks which are accessed via following SPI protocol. The control register bank contains eight registers (with 4 bit each) addressed bit pointer. The diagnosis register bank contains four registers (with 4 bit each) addressed bit pointer. An additional indication bit is available to differentiate between standard diagnosis information and data read from a register bank ...

Page 30

... INX1 INX3 INX5 INX7 DCEN2 DCEN1 DCEN6 DCEN5 WAKE STB RST – – – V power-on, STB-command and RST-command TLE7236EM Serial Peripheral Interface (SPI default INX0 0 H INX2 0 H INX4 0 H INX6 0 H DCEN0 0 H DCEN4 CPL 0 H – ...

Page 31

... Figure 12 Timing Diagram Data Sheet SPI Driver for Enhanced Relay Control 3 OL1 B OL3 B OL5 B OL7 B t SCLK( SCLK(H) SCLK( SI(su) SI(h) t SO(v) 31 TLE7236EM Serial Peripheral Interface (SPI OL0 D3 OL2 D5 OL4 D7 OL6 t t CS(lag) CS(td) t SO(dis) SPI Timing.emf Rev. 1.0, 2010-02- 0. ...

Page 32

... SCLK(L) I SI(L) I SCLK( SI( SO( SO( -10 SO(OFF SCLK t 200 SCLK( SCLK( SCLK(L) t 250 CS(lead) t 250 CS(lag) t 250 CS(td SI(su SI(h) 32 TLE7236EM Serial Peripheral Interface (SPI - +150 C j Unit Test Conditions typ. max. V – 0.2* V – – V – – – 0. – – ...

Page 33

... Data Sheet SPI Driver for Enhanced Relay Control 5.5V 16V, BAT Symbol Limit Values min. t – SO(en) t – SO(dis) t – SO(v) 33 TLE7236EM Serial Peripheral Interface (SPI - +150 C j Unit Test Conditions typ. max. C – 200 – 200 – 100 ...

Page 34

... Pb-free soldering according to IPC/JEDEC J-STD-020). For further information on alternative packages, please visit our website: http://www.infineon.com/packages Data Sheet SPI Driver for Enhanced Relay Control 2x C 0.08 C Seating Plane C A-B D 24x 0 TLE7236EM Package Outlines 0.35 x 45˚ 1) 3.9 ±0.1 0 ±0.2 D Bottom View 6.4 ± ...

Page 35

... For further information you may contact Data Sheet SPI Driver for Enhanced Relay Control VDD VBB OUT0 OUT1 OUT2 OUT3 IN1 IN2 LHI SCLK SI SO OUT6 OUT7 GND http://www.infineon.com/spider 35 TLE7236EM Application Information Lowside Loads D1 Highside Loads Application _LG .emf Rev. 1.0, 2010-02-18 Vbat ...

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... Revision History Revision Date Changes Rev. 1.0 2010-02-18 Datasheet released Data Sheet SPI Driver for Enhanced Relay Control 36 TLE7236EM Revision History Rev. 1.0, 2010-02-18 ...

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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 ...

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