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TPS92663A-Q1

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High-brightness LED matrix manager for automotive headlight systems

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Data sheet

TPS92663A-Q1

ACTIVE
Data sheet Order now

Product details

Number of channels 6 Topology Floating Switch Rating Automotive TI functional safety category Functional Safety-Capable Operating temperature range (°C) -40 to 125 Vin (min) (V) 4.5 Vin (max) (V) 60 Vout (min) (V) 0 Vout (max) (V) 62 Features Fault Detection, Fault Diagnostic, Hybrid Dimming/Phase Shift, Integrated Switch, LED Open Detection, LED Shorted Detection, Precision Dimming Control, Synchronization Pin, Temperature Compensation
Number of channels 6 Topology Floating Switch Rating Automotive TI functional safety category Functional Safety-Capable Operating temperature range (°C) -40 to 125 Vin (min) (V) 4.5 Vin (max) (V) 60 Vout (min) (V) 0 Vout (max) (V) 62 Features Fault Detection, Fault Diagnostic, Hybrid Dimming/Phase Shift, Integrated Switch, LED Open Detection, LED Shorted Detection, Precision Dimming Control, Synchronization Pin, Temperature Compensation
HTSSOP (PWP) 24 49.92 mm² 7.8 x 6.4
  • AEC-Q100 qualified for automotive applications
    • Device temperature grade 1: –40°C to 125°C TA
    • Device HBM classification level: H1C
    • Device CDM classification level: C5
  • Input voltage range: 4.5 V to 60 V
  • Six integrated bypass switches
    • Two sub-strings of three series switches
    • 20-V (maximum) across switch
    • 62-V (maximum) switch to GND
  • Multi-drop UART communication interface
    • Up to 16 addressable devices
    • Integrates on same bus with TPS92662A-Q1
  • Compatible with CAN physical layer
    • Minimum number of wires in cable harness
  • 8-bit ADC with two MUX inputs
  • Crystal oscillator driver
  • Programmable 10-bit PWM dimming
    • Individual phase shift and pulse width
    • Device-to-device synchronization
  • LED open and short detection and protection
  • AEC-Q100 qualified for automotive applications
    • Device temperature grade 1: –40°C to 125°C TA
    • Device HBM classification level: H1C
    • Device CDM classification level: C5
  • Input voltage range: 4.5 V to 60 V
  • Six integrated bypass switches
    • Two sub-strings of three series switches
    • 20-V (maximum) across switch
    • 62-V (maximum) switch to GND
  • Multi-drop UART communication interface
    • Up to 16 addressable devices
    • Integrates on same bus with TPS92662A-Q1
  • Compatible with CAN physical layer
    • Minimum number of wires in cable harness
  • 8-bit ADC with two MUX inputs
  • Crystal oscillator driver
  • Programmable 10-bit PWM dimming
    • Individual phase shift and pulse width
    • Device-to-device synchronization
  • LED open and short detection and protection

The TPS92663A-Q1 LED matrix manager device enables fully dynamic adaptive lighting solutions by providing individual pixel-level LED control.

The device includes two sub-strings of three series-connected integrated switches for bypassing individual LEDs. The individual sub-strings allow the device to accept either single or multiple current sources. It also allows a parallel connection of two switches to bypass high-current LEDs.

A primary microcontroller controls and manages the TPS92663A-Q1 devices via a multi-drop universal asynchronous receiver transmitter (UART) serial interface. The serial interface supports the use of CAN transceivers for a more robust physical layer. An application may use the TPS92663A-Q1 device and the TPS92662A-Q1 device on the same bus.

An on-device, 8-bit ADC with two multiplexed inputs can be used for system temperature compensation and used to measure a binning value which allows for LED binning and coding.

The internal charge pump rail supplies the gate drive voltage for the LED bypass switches. The low on-resistance (RDS(on)) of the bypass switch minimizes conduction loss and power dissipation.

The phase shift and pulse width for each individual LED in the string are programmable. The device uses an internal register to adjust the PWM frequency. Multiple devices can be synchronized. The switch transitions during PWM dimming operation have a programmable slew rate to mitigate EMI concerns. The device features open LED protection with programmable threshold. The serial interface reports open LED or short LED faults.

The TPS92663A-Q1 LED matrix manager device enables fully dynamic adaptive lighting solutions by providing individual pixel-level LED control.

The device includes two sub-strings of three series-connected integrated switches for bypassing individual LEDs. The individual sub-strings allow the device to accept either single or multiple current sources. It also allows a parallel connection of two switches to bypass high-current LEDs.

A primary microcontroller controls and manages the TPS92663A-Q1 devices via a multi-drop universal asynchronous receiver transmitter (UART) serial interface. The serial interface supports the use of CAN transceivers for a more robust physical layer. An application may use the TPS92663A-Q1 device and the TPS92662A-Q1 device on the same bus.

An on-device, 8-bit ADC with two multiplexed inputs can be used for system temperature compensation and used to measure a binning value which allows for LED binning and coding.

The internal charge pump rail supplies the gate drive voltage for the LED bypass switches. The low on-resistance (RDS(on)) of the bypass switch minimizes conduction loss and power dissipation.

The phase shift and pulse width for each individual LED in the string are programmable. The device uses an internal register to adjust the PWM frequency. Multiple devices can be synchronized. The switch transitions during PWM dimming operation have a programmable slew rate to mitigate EMI concerns. The device features open LED protection with programmable threshold. The serial interface reports open LED or short LED faults.
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* Data sheet TPS92663A-Q1 High-brightness LED Matrix Manager for Automotive Headlight Systems datasheet PDF | HTML 22 Oct 2020
Application note Automotive Front Headlight Selection Guide PDF | HTML 16 Apr 2021

Design & development

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Evaluation board

TPS92663AEVM6-128 — TPS92663A-Q1 automotive LED driver evaluation module.

The TPS92663AEVM6-128 consists of 63 invidividually controllable LEDs configured into a six channel application.  This evaluation module  shows the versatility and configurability of the TPS92663A-Q1 and TPS92662A-Q1 LED Matrix Manager Devices.  Using the companion control PCB, (...)
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TPS92663A-Q1-DESIGN — TPS92663A-Q1 design resources

TPS92663A-Q1 design resources
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Automotive LED drivers
TPS92663A-Q1 — High-brightness LED matrix manager for automotive headlight systems
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TPS92663A-Q1-FS-NDA — TPS92663A-Q1 functional safety information

TPS92663A-Q1 functional safety information
Supported products & hardware

Supported products & hardware

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Automotive LED drivers
TPS92663A-Q1 — High-brightness LED matrix manager for automotive headlight systems
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PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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