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Texas Instruments TPS92663QPWPRQ1
- Part No.:
- TPS92663QPWPRQ1
- Manufacturer:
- Texas Instruments
- Category:
- LED Drivers
- Package:
- 24-PowerTSSOP (0.173", 4.40mm Width)
- Datasheet:
-
TPS92663QPWPRQ1.pdf
- Description:
- IC LED DRIVER CTRLR PWM 24HTSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,860
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Product details
Overview
TPS92663QPWPRQ1 from Texas Instruments is an AEC-Q100 Grade 1 automotive LED matrix manager IC for adaptive headlight systems, featuring six integrated bypass switches (two sub-strings of three series switches), 4.5 V to 60 V input range, programmable 10-bit PWM dimming with device-to-device synchronization, and on-chip 8-bit ADC with two MUX inputs for LED binning and temperature compensation.
For engineers reviewing the TPS92663QPWPRQ1 datasheet, TPS92663QPWPRQ1 pinout, TPS92663QPWPRQ1 application, or TPS92663QPWPRQ1 equivalent, key selection considerations include its UART/CAN-physical-layer interface compatibility, open/short LED fault reporting, slew-rate-controlled PWM transitions for EMI mitigation, and HTSSOP-24 package with PowerPAD thermal enhancement.
Technical Context
The TPS92663QPWPRQ1 implements a multi-drop UART interface supporting up to 16 addressable devices on a shared bus, and is electrically compatible with CAN transceivers for robust physical layer operation in automotive harnesses. Its dual sub-string switch architecture enables flexible LED string configurations - including single/multiple current sources and parallel high-current LED bypass - with 20 V max across switch and 62 V max switch-to-GND rating.
Internal charge pump rail supplies gate drive voltage for low RDS(on) bypass switches, minimizing conduction loss. PWM phase shift, pulse width, and frequency are register-programmable; synchronized operation across multiple devices is supported via dedicated timing control logic and programmable slew rate on switch transitions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 4.5 V to 60 V - supports direct connection to automotive battery (VBAT) with transient tolerance up to 62 V switch-to-GND. |
| Bypass Switch Count | Six integrated MOSFETs arranged as two sub-strings of three series switches - enables pixel-level LED bypass in matrix arrays. |
| PWM Resolution | 10-bit programmable dimming with individual phase shift and pulse width per LED - delivers fine-grained brightness and timing control. |
| ADC Resolution | 8-bit with two multiplexed inputs - used for real-time temperature compensation and LED binning value readback. |
| Communication Interface | Multi-drop UART with CAN physical layer compatibility - reduces wiring count and improves noise immunity in ECU environments. |
| Operating Temperature | –40°C to +125°C (Grade 1) - qualified per AEC-Q100 for under-hood automotive headlight ECU placement. |
| Protection Features | Programmable open-LED threshold and short-LED detection with serial fault reporting - enables fail-safe lighting system diagnostics. |
Pinout & Package
TPS92663QPWPRQ1 is housed in a thermally enhanced HTSSOP-24 (PWP) package measuring 7.70 mm × 4.40 mm with exposed PowerPAD for improved heat dissipation in high-power LED driver applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN | Main power input | Accepts 4.5 V to 60 V supply; feeds internal regulators and charge pump. |
| VDD | Digital core supply | 3.3 V internal LDO output for logic and UART interface; requires external decoupling. |
| GND | Analog/digital ground | Common reference for all circuit domains; tied to PowerPAD for thermal and noise integrity. |
| TX / RX | UART data lines | Half-duplex asynchronous serial interface; compatible with external CAN transceiver (e.g., TCAN1042). |
| CANH / CANL | CAN physical layer I/O | Direct connection points for CAN bus differential pair when using integrated CAN-compatible signaling. |
| LED1–LED6 | Bypass switch terminals | Source/drain connections for six integrated MOSFETs; configured as two independent 3-switch sub-strings. |
| XTALI / XTALO | Clock oscillator interface | Drives external crystal (typically 1–4 MHz) for precise PWM timing and UART baud rate generation. |
| ADC1 / ADC2 | Analog multiplexer inputs | Two dedicated pins for temperature sensor or LED binning resistor measurement. |
| VBAT | Battery monitor input | High-voltage sense input for system-level battery voltage monitoring and fault logging. |
| CPP1–CPP3 | Charge pump outputs | Internal charge pump rails supplying gate drive voltage to bypass switches; no external components required. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 qualification | Validated for –40°C to +125°C ambient operation with HBM H1C and CDM C5 ESD ratings - meets automotive reliability requirements. |
| Integrated charge pump | Eliminates need for external high-side gate drivers; provides stable gate voltage for low RDS(on) switching under wide VIN range. |
| Programmable PWM slew rate | Reduces EMI emissions during LED dimming transitions without compromising response time or thermal performance. |
| Multi-drop UART with CAN PHY support | Enables daisy-chained topology with up to 16 TPS92663QPWPRQ1 devices on one bus - simplifies wiring in multi-module headlight systems. |
| Open/short LED fault reporting | Real-time diagnostic feedback via UART register reads - supports ASIL-B compliant functional safety monitoring in headlight ECUs. |
Applications
| Adaptive Driving Beam (ADB) Headlights | Glare-Free High Beam Systems |
|---|---|
Use Scenario: Dynamic beam shaping to selectively dim pixels around oncoming vehicles while maintaining full illumination elsewhere. IC Role / Device Role / Timing Role: Pixel-level LED bypass controller with synchronized PWM dimming across multiple TPS92663QPWPRQ1 devices. Use Value: Enables real-time, software-defined beam patterns with <100 µs update latency and sub-pixel intensity resolution via 10-bit PWM. | Use Scenario: Continuous high-beam operation with automatic local masking of glare zones detected by camera-based vision systems. IC Role / Device Role / Timing Role: LED matrix manager coordinating with MCU over UART to execute pixel mask updates at 30+ Hz frame rate. Use Value: Delivers >10,000:1 contrast ratio between masked and unmasked zones using open/short fault detection for self-diagnostic integrity. |
| Automotive Matrix Headlight ECU | LED Binning & Calibration System |
Use Scenario: Centralized headlight control unit managing multiple LED modules in front-end lighting clusters. IC Role / Device Role / Timing Role: High-voltage LED driver interface with integrated protection, communication, and thermal monitoring. Use Value: Reduces BOM count by integrating six bypass switches, ADC, oscillator, and UART in single HTSSOP-24 package. | Use Scenario: Factory calibration station reading LED forward-voltage bins and temperature coefficients before module assembly. IC Role / Device Role / Timing Role: On-device ADC acquisition node capturing binning resistor values and thermal sensor readings during burn-in. Use Value: Enables automated LED bin matching with ±1% ADC accuracy and two-channel MUX support for concurrent measurements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LED matrix management applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS92662QPWPRQ1 | Four integrated bypass switches (vs. six); no on-chip crystal oscillator driver; shares same UART/CAN PHY interface and ADC capability. | Targeted for smaller LED matrices (≤4×4 pixels); lacks dual-substring flexibility for high-current parallel bypass. | Select when system requires fewer bypass channels and external clock source is acceptable. |
| MAX20052ATP/V+ | Four-channel high-side LED driver with integrated boost controller; no UART/CAN interface; uses SPI instead; includes built-in boost converter. | Designed for constant-current LED strings rather than matrix-level pixel bypass; suited for simpler fixed-pattern headlights. | Choose when system needs integrated DC-DC conversion and SPI-based control in space-constrained modules. |
Compared with TPS92663QPWPRQ1, the TPS92662QPWPRQ1 offers reduced channel count but identical communication and diagnostic architecture, while the MAX20052ATP/V+ trades matrix-level flexibility for integrated power conversion - making TPS92663QPWPRQ1 optimal for scalable, multi-device ADB systems requiring precise pixel control and harness efficiency.
Availability
TPS92663QPWPRQ1 is available at Aetrix Electronics and suitable for automotive headlight ECUs, adaptive driving beam (ADB) modules, and glare-free high beam systems requiring stable component supply, long-term lifecycle support, and AEC-Q100-compliant sourcing.
Supply support for TPS92663QPWPRQ1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor company specializing in analog, embedded processing, and automotive ICs, with decades of leadership in power management and automotive electronics.
The TPS9266x-Q1 product line was designed specifically for dynamic LED matrix control in next-generation automotive headlights, emphasizing pixel-level programmability, functional safety compliance, and physical layer robustness in harsh ECU environments.
FAQ
What is the primary function of the TPS92663QPWPRQ1 in automotive lighting systems?
The TPS92663QPWPRQ1 serves as a high-brightness LED matrix manager that enables adaptive driving beam functionality by providing individual pixel-level LED control through six integrated bypass switches. It supports dynamic beam shaping in automotive headlight systems via programmable 10-bit PWM dimming, synchronized operation across multiple devices, and real-time open/short LED fault detection - all within an AEC-Q100 Grade 1 qualified HTSSOP-24 package.
Does the TPS92663QPWPRQ1 require an external crystal oscillator?
Yes, the TPS92663QPWPRQ1 requires an external crystal connected between XTALI and XTALO pins to generate precise timing for PWM dimming and UART communication. The device includes an integrated crystal oscillator driver circuit, supporting standard crystals in the 1–4 MHz range; no external buffer or amplifier is needed.
How does the TPS92663QPWPRQ1 support functional safety in headlight ECUs?
The TPS92663QPWPRQ1 supports functional safety through AEC-Q100 Grade 1 qualification (–40°C to +125°C), programmable open-LED and short-LED detection with register-accessible fault flags, and diagnostic UART reporting. These features enable ASIL-B compliant monitoring in automotive headlight ECUs when combined with appropriate system-level redundancy and MCU supervision.
Can multiple TPS92663QPWPRQ1 devices be synchronized for coordinated LED dimming?
Yes, the TPS92663QPWPRQ1 supports device-to-device synchronization via its UART interface and internal timing registers. Multiple units can be configured to align PWM edges and phase shifts precisely, enabling seamless beam pattern updates across large LED matrices - critical for adaptive driving beam systems requiring sub-millisecond inter-device timing alignment.
What package type and thermal features does the TPS92663QPWPRQ1 use?
The TPS92663QPWPRQ1 uses an HTSSOP-24 (PWP) package measuring 7.70 mm × 4.40 mm with an exposed PowerPAD thermal pad. This construction provides low junction-to-board thermal resistance, enabling reliable operation at full load in automotive under-hood environments where ambient temperatures reach +125°C.
TPS92663QPWPRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 24-PowerTSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- DC DC Controller
- Topology:
- Step-Down (Buck), Step-Up (Boost)
- Internal Switch(s):
- No
- Number of Outputs:
- 6
- Voltage - Supply (Min):
- 4.5V
- Voltage - Supply (Max):
- 60V
- Voltage - Output:
- 62V
- Current - Output / Channel:
- -
- Frequency:
- -
- Dimming:
- PWM
- Applications:
- Lighting
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 24-HTSSOP
TPS92663QPWPRQ1 FAQ
1.How can I place an order for TPS92663QPWPRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS92663QPWPRQ1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TPS92663QPWPRQ1 reliable?
The price and inventory of TPS92663QPWPRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS92663QPWPRQ1 is usually 5 days.
3.What payment methods are accepted for TPS92663QPWPRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS92663QPWPRQ1 transactions.
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4.How is shipping managed for TPS92663QPWPRQ1?
TPS92663QPWPRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS92663QPWPRQ1 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TPS92663QPWPRQ1?
For technical support, including TPS92663QPWPRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS92663QPWPRQ1 requirements.
6.How does Aetrix verify that TPS92663QPWPRQ1 is sourced from the original manufacturer or authorized distributors?
All TPS92663QPWPRQ1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TPS92663QPWPRQ1 meets industry standards.
7.What is the process for return or replacement of TPS92663QPWPRQ1?
All TPS92663QPWPRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TPS92663QPWPRQ1, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TPS92663QPWPRQ1 part is unused and in its original packaging.
Return procedure for TPS92663QPWPRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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