Infineon Technologies Ag · XETR:IFX
Infineon Technologies — Technical Presentation (February 2025)
29 slides from Infineon Technologies's technical presentation, February 2025
Slide 1: LITIX™ Basic+ Linear current sinks & sources for automotive LED lighting
LITIX™ Basic+ Linear current sinks & sources for automotive LED lighting Feb 2025 public 1
Slide 2: Table of contents
Table of contents 1 Introduction to LITIX™ Basic+ 3 2 New devices & Key functionalities 9 3 Application examples 22 4 Go-to-market material 27 Feb 2025 public Copyright © Infineon Technologies AG 2025. All rights reserved. Infineon Proprietary 2
Slide 3: Table of contents
Table of contents 1 Introduction to LITIX™ Basic+ 3 2 New devices & Key functionalities 9 3 Application examples 22 4 Go-to-market material 27 Feb 2025 public Copyright © Infineon Technologies AG 2025. All rights reserved. Infineon Proprietary 3
Slide 4: Infineon offers a wide portfolio of LED driver for automotive
Infineon offers a wide portfolio of LED driver for automotive All interior & exterior light functions addressed with the right product Interior light Turn indicator Low beam High beam LITIXTM LITIXTM Pixel Rear Interior LITIXTM LITIXTM DRL Basic+ Power Tail light Fog light LITIXTM LITIXTM Power Flex
Slide 5: LITIX™ Basic+ – Portfolio of linear current sinks & sources with Power Shift
LITIX™ Basic+ – Portfolio of linear current sinks & sources with Power Shift, best-in-class current accuracy, thermal derating, PWM LITIX™ Basic+ Broad portfolio helps you minimize external componentry, save Linear LED driver PCB space and offers best-in-class brigthness control. for exterior lighti
Slide 6: LITIX™ Basic+ Portfolio Overview
LITIXTM Basic+ Portfolio Overview Feb 2025 public Copyright © Infineon Technologies AG 2025. All rights reserved. Infineon Proprietary 6
Slide 7: LITIX™ Basic+ Best-in-class current accuracy, thermal derating, power shift
LITIX™ Basic+ Best-in-class current accuracy, thermal derating, power shift Our offer Your value ‒ Up to 10 devices can share the same error ‒ Save up to 10 external resistors Minimize network & reuse the same external ‒ Two layers PCB to ensure best cost point external components and highest therma
Slide 8: LITIX™ Basic+ Portfolio Overview
LITIX™ Basic+ Portfolio Overview PWM Input Open Load Input/ Output Thermal Single LED PWM Topology Package Error Short Power Shift Output current/ch derating via Short engine network Circuit TLD2132-1EP High Side 1/1 15-240mA TSDSO-14 PTC ✓ ✓ ✓ TLD2132-3EP High Side 1/3 5-80mA TSDSO-14 PTC ✓ ✓ ✓ TLD
Slide 9: Table of contents
Table of contents 1 Introduction to LITIX™ Basic+ 3 2 New devices & Key functionalities 9 3 Application examples 22 4 Go-to-market material 27 Feb 2025 public Copyright © Infineon Technologies AG 2025. All rights reserved. Infineon Proprietary 9
Slide 10: LITIX™ Basic+ family is extended by five new devices offering power shift
LITIX™ Basic+ family is extended by five new devices offering power shift to drive higher currents 1 3ch w/ offload for up to 150mA 2 3ch w/o offload for up to 100mA 3 1ch w/ offload for up to 400mA VS VS VS RERRN RERRN RERRN VS VS VS ERRN/DEN ERRN/DEN ERRN EN/DEN1 RPS0 RPS0 RPS0 RPS0 EN/DEN1 D RPS0
Slide 11: Main differences between Basic+ with Power Shift vs. rest of Basic, Basic+ families
Main differences between Basic+ with Power Shift vs. rest of Basic, Basic+ families Existing Basic+ family Upcoming Basic+ extension family Double function pin for Turn function ERRN/DEN VS RERRN R1 VS ERRN/DEN Double function pin for EN/DEN analog/digital dimming PS RPS0 D IREF OUT μC Power Shift v
Slide 12: We enable…
We enable… High current demand up to 400mA (1ch) and 150mA (3ch) VS DRP Needed configurable fault management and thermal derating RERRN R1 VS ERRN EN/DEN ERRN/DEN Limited space design PS RP S R2 OUT CVS TLD1173-1ET Low-cost solution to implement simple TAIL/STOP design D ACC/PWMI SENSE IREF Implemen
Slide 13: Key1: Increase the channel current via the Power Shift feature
Key1: Increase the channel current via the Power Shift feature: up to 400mA for the 1ch, 150mA for the 3ch devices • Implement a “low cost high power” solution by including a power shift function to High current demand up to dissipate externally the extra power: 400mA: Fog, Reverse, • One channel up
Slide 14: Key2: thermal derating for high LEDs temperature
Key2: thermal derating for high LEDs temperature Thermal derating for high • Implement analog output current control (ACC) to apply an external NTC to adjust the LEDs temperature output current based on the LEDs temperature VSENSE VS NTC variation leads to voltage variation on VSENSE min VSENSE_100%
Slide 15: Key3: diagnosis with configurable fault management
Key3: diagnosis with configurable fault management • Implement a configurable fault reaction based on D setting: Different requirements of • One fail all off (N-1) fault reaction from different • Report only regions • Implement a shared error network reporting ERRN VS Fault mode Configuration Benefi
Slide 16: Key4: output current control to enable limited space design via binning resistors
Key4: output current control to enable limited space design via binning resistors Small PCB space allowed • Implement analog output current control (ACC) to apply an external binning resistor to implement rear lamp • Small TFDSO-16 package with 0.5mm pitch to minimize space for the LED driver design
Slide 17: Key5: output current control to enable low cost TAIL/STOP implementation
Key5: output current control to enable low cost TAIL/STOP implementation RCL: reuse the same LEDs to implement STOP and • Implement analog output current control (ACC) to adjust the output current TAIL functions 1. Implement analog output current control ACC via adding a RTAIL resistor: VBIN 1-IN 3-
Slide 18: Key6: external sensing resistors to enable low cost TAIL/STOP implementation
Key6: external sensing resistors to enable low cost TAIL/STOP implementation RCL: reuse the same LEDs to implement STOP and • Resistor parallelization on the current sense possible TAIL functions 2. Resistor parallelization on the current sense: 1-IN 3-OUT VSENSEx VBIN › The voltage on ACC is used j
Slide 19: Key7: digital dimming to enable low cost TAIL/STOP implementation
Key7: digital dimming to enable low cost TAIL/STOP implementation RCL: reuse the same LEDs to implement STOP and • Digital dimming via uC possible on ACC/PWMI pin TAIL functions 3. Digital dimming via uC on ACC/PWMI pin: VACC/PWMI Dimming via ACC/PWMI VACC min max VBIN 1-IN 3-OUT VPWM(OFF) uC ACC/PW
Slide 20: Key8: 3IN-3OUT variant to implement animations
Key8: 3IN-3OUT variant to implement animations • Implement a 3IN-3OUT variants Possibility to have • Implement a double function pin ERRN/DEN to give the possibility to connect a low animated light function via voltage GPIO on the EN/DEN pin uC • Implement digital dimming on ACC/PWMI pin VERRN/DEN V
Slide 21: Key9: Low fault current consumption to enable compatibility with legacy BCM
Key9: Low fault current consumption to enable compatibility with legacy BCM Use the current consumption on the battery • Implement a low current consumption in fault mode to allow up to 10 devices (30chs) line to diagnose the light on the same ERRN network function VS VS VS VS Total current consumpt
Slide 22: Table of contents
Table of contents 1 Introduction to LITIX™ Basic+ 3 2 New devices & Key functionalities 9 3 Application examples 22 4 Go-to-market material 27 Feb 2025 public Copyright © Infineon Technologies AG 2025. All rights reserved. Infineon Proprietary 22
Slide 23: LITIX™ Basic+ is designed for all Rear Lighting applications
LITIX™ Basic+ is designed for all Rear Lighting applications and is also a good fit for functional interior illumination Reverse Light Fog Light Animated Turn Indicator Stop & Tail Light Roof consoles & Rear Combination Lamp Interior Lighting Feb 2025 public Copyright © Infineon Technologies AG 2025
Slide 24: Cost-effective solution for high current functions such as fog or reverse
Cost-effective solution for high current functions such as fog or reverse with up to 400 mA with minimal BOM LITIX Basic+ New LITIX Basic+ VIN VS DRP 400 mA RERRN Supply protection VS D DS VS EN ERRN ERRN EN/DEN R1 VS ERRN EN/DEN ERRN/DEN OUT_SET PS RP S R2 TLD2132-1EP TLD1114-1EP OUT IN_SET OUT_SET
Slide 25: Example: Tail/Stop application with digital dimming using up to 10 devices
Example: Tail/Stop application with digital dimming using up to 10 devices in the same error network VS Supply protection DRP Features ‒ ACC/PWMI : common analog/digital dimming of all output RERRN R1 channels uC ‒ EN/DEN : apply common PWM signal / resistor divider for ERRN/DEN ERRN/DEN EN/DEN EN/D
Slide 26: LITIX™ Basic+ for Animated Lighting function by individually controlling EN/DEN pins
LITIX™ Basic+ for Animated Lighting function by individually controlling EN/DEN pins with PWM signal Features VS Supply protection PWM/Enable generator (i.e. uC, timer) DRP ‒ Output current ‒ up to 100 mA/ch RERRN ‒ up to 150 mA/ch with pre-regulator ‒ Configurable fault management per device EN/DEN
Slide 27: Table of contents
Table of contents 1 Introduction to LITIX™ Basic+ 3 2 New devices & Key functionalities 9 3 Application examples 22 4 Go-to-market material 27 Feb 2025 public Copyright © Infineon Technologies AG 2025. All rights reserved. Infineon Proprietary 27
Slide 28: LITIX™ Basic+ Documentation and Design Support
LITIX™ Basic+ Documentation and Design Support Product overview ‒ Product family page LITIX™ Basic+ Reference designs & boards ‒ Evaluation design / board ‒ Power Shift Dimensioning Tool ‒ SLS Dimensioning Tool ‒ Simulation models Technical documents ‒ Application note ‒ User guide Videos and podcas
Slide 29: Cinfineon
Cinfineon
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