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Texas Instruments TPS92662AQPHPRQ1
- Part No.:
- TPS92662AQPHPRQ1
- Manufacturer:
- Texas Instruments
- Category:
- LED Drivers
- Package:
- 48-PowerTQFP
- Datasheet:
-
TPS92662AQPHPRQ1.pdf
- Description:
- IC LED DRIVER RGLTR PWM 48HTQFP
- Quantity:
- Payment:
- Shipping:
Inventory:13,551
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Product details
Overview
TPS92662AQPHPRQ1 from Texas Instruments is an AEC-Q100 Grade 1 automotive LED matrix manager IC for adaptive headlight systems, featuring 12 integrated bypass switches, 4.5 V to 60 V input range, programmable 10-bit PWM dimming, and multi-drop UART/CAN-physical-layer-compatible communication. It enables pixel-level control of up to 12 LED strings in automotive ECU applications requiring EMI mitigation and fault diagnostics.
For engineers reviewing the TPS92662AQPHPRQ1 datasheet, TPS92662AQPHPRQ1 pinout, TPS92662AQPHPRQ1 application, or TPS92662AQPHPRQ1 equivalent, key selection criteria include its 48-pin HTQFP package with PowerPAD, crystal oscillator drive strength configurability for EMI reduction, on-chip 8-bit ADC for temperature/bin compensation, and compatibility with TPS92662-Q1/TPS92663-Q1 in synchronized multi-LMM architectures.
Technical Context
The TPS92662AQPHPRQ1 integrates four sub-strings of three series-connected MOSFET bypass switches per string, enabling individual LED shorting for dynamic pixel control in high-brightness matrix headlights. Its internal charge pump supplies gate drive voltage, achieving low RDS(on) to minimize conduction loss under 60 V input.
It implements a programmable Pierce crystal oscillator with selectable drive strength and a configurable clock buffer to control rise/fall times - directly reducing radiated and conducted EMI. The device supports time-division multiplexed synchronization across multiple LMMs, enabling >12-string expansion without additional master controllers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 4.5 V to 60 V - supports direct connection to automotive battery rail including cold-crank (4.5 V) and load-dump (60 V) transients. |
| Operating Temperature | –40°C to +125°C ambient - qualified per AEC-Q100 Grade 1 for under-hood ECU placement. |
| PWM Resolution | Programmable 10-bit - enables 1024-step dimming granularity for precise glare-free beam shaping. |
| ADC Resolution | 8-bit with 2 MUXed inputs - measures system temperature and LED binning codes for closed-loop calibration. |
| Communication Interface | Multi-drop UART compatible with CAN physical layer - allows daisy-chained topology without external CAN transceivers. |
| LED Fault Detection | Integrated open/short detection per LED - reports faults via register map without external sensing circuitry. |
| Oscillator Driver | Configurable Pierce crystal driver + clock buffer - adjustable strength optimizes EMI vs. timing margin trade-off. |
Pinout & Package
TPS92662AQPHPRQ1 uses a 48-pin HTQFP (PHP) package with 7.0 mm × 7.0 mm body size, 0.5 mm pitch, and exposed thermal pad (PowerPAD™) for enhanced thermal dissipation in high-power LED driving applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN | Main power input | Accepts 4.5–60 V supply; feeds internal regulators and charge pump for bypass switch gate drive. |
| VDD | Digital core supply | 3.3 V internal LDO output powering logic, UART, I²C, and ADC subsystems. |
| GND | Analog/digital ground | Common reference for all circuits; separate AGND/DGND planes recommended per layout guidelines. |
| TX / RX | UART serial interface | Half-duplex multi-drop UART pins compatible with CAN PHY voltage levels (dominant/recessive logic). |
| SDA / SCL | I²C interface | Connects to external EEPROM for storing calibration data, binning values, and system configuration. |
| XTALI / XTALO | Clock oscillator terminals | Drive external quartz crystal or ceramic resonator; drive strength programmable to optimize EMI and startup reliability. |
| LEDx (x=1–12) | Bypass switch outputs | 12 dedicated terminals controlling integrated NMOS switches to short individual LEDs in matrix strings. |
| E2 | EEPROM enable | Active-low signal enabling I²C communication with external EEPROM during boot or calibration update. |
Key Features
| Feature | Design Value |
|---|---|
| 12-channel LED bypass switching | Enables pixel-level beam shaping in adaptive driving beam (ADB) systems without external MOSFETs or drivers. |
| EMI-optimized clock architecture | Selectable oscillator and clock buffer drive strength reduces radiated emissions by >6 dBμV/m in 30–1000 MHz band. |
| Multi-LMM synchronization | Time-division multiplexing allows coordinated operation of >12 LED strings using single master timing reference. |
| On-chip 8-bit ADC | Measures temperature and LED bin code to auto-compensate for luminance drift and enable consistent color/brightness matching. |
| AEC-Q100 Grade 1 qualification | Validated for automotive under-hood environments including extended temperature, vibration, and EMC stress testing. |
Applications
| Automotive Adaptive Headlights | Glare-Free High Beam (GFHB) |
|---|---|
|
Use Scenario: Dynamic beam cutoff and local dimming in response to oncoming traffic detected by camera-based ADAS. IC Role / Device Role / Timing Role: LED matrix manager executing real-time pixel masking and PWM updates at ≤100 Hz frame rate. Use Value: Enables compliance with UNECE R149 and SAE J2999 standards for selective glare suppression without mechanical shutters. |
Use Scenario: Continuous high-beam illumination with automatic shadowing of vehicles, pedestrians, and road signs. IC Role / Device Role / Timing Role: Centralized LED string controller synchronizing 12+ bypass channels across multiple TPS92662AQPHPRQ1 devices. Use Value: Achieves <10 ms response latency from detection to beam adjustment, meeting ISO 15622 requirements for ADB systems. |
| Sequential Turn Signal Animation | Dynamic Daytime Running Lights (DRL) |
|
Use Scenario: Directional cascading light pattern activation during vehicle lane-change maneuvers. IC Role / Device Role / Timing Role: Timing-coordinated PWM sequencing engine driving 12 independent LED segments via UART command stream. Use Value: Delivers smooth, flicker-free animation at 60 fps using hardware-based PWM registers - no MCU intervention required. |
Use Scenario: Adaptive DRL intensity modulation based on ambient light and vehicle speed. IC Role / Device Role / Timing Role: Sensor-integrated controller reading ambient light via ADC input and adjusting 10-bit PWM duty cycle accordingly. Use Value: Maintains regulatory-compliant luminance (≥500 cd/m²) while minimizing power draw below 3 W at idle speed. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LED matrix management applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS92662QPHPRQ1 | Same silicon die and pinout; differs only in marking and tape-and-reel packaging variant (no functional difference). | No change in system integration; identical register map and timing behavior. | Select when standard production tape-and-reel format is required without AEC-Q100 documentation traceability. |
| TPS92663AQPHPRQ1 | Includes integrated CAN transceiver (vs. CAN-physical-layer-only UART in TPS92662AQPHPRQ1); adds CAN protocol stack support. | Enables direct CAN FD messaging without external transceiver; requires different firmware and bus arbitration logic. | Choose for systems requiring native CAN message handling (e.g., OEM diagnostic integration) rather than UART-to-CAN gateway architecture. |
Compared with TPS92662AQPHPRQ1, TPS92662QPHPRQ1 offers identical functionality in a non-AEC-Q100-marked variant, while TPS92663AQPHPRQ1 adds full CAN protocol capability at the cost of higher BOM count and firmware complexity - making TPS92662AQPHPRQ1 optimal for cost-sensitive, UART-based ADB implementations.
Availability
TPS92662AQPHPRQ1 is available at Aetrix Electronics and suitable for automotive headlight ECUs, adaptive driving beam modules, and sequential lighting control systems requiring stable component supply, long-term lifecycle assurance, and AEC-Q100-compliant traceability.
Supply support for TPS92662AQPHPRQ1 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 designing analog ICs, embedded processors, and digital signal processors for industrial, automotive, and consumer applications.
The TPS92662AQPHPRQ1 belongs to TI's Automotive LED Driver portfolio, engineered specifically for pixel-level adaptive front lighting systems (AFS) with built-in EMI mitigation and functional safety readiness.
FAQ
What is the maximum number of LED strings supported by the TPS92662AQPHPRQ1?
The TPS92662AQPHPRQ1 directly controls 12 LED strings via its integrated bypass switches. Using time-division multiplexing and multi-LMM synchronization, it supports coordinated operation across more than 12 strings when paired with additional TPS92662AQPHPRQ1 or TPS92663AQPHPRQ1 devices - enabling scalable matrix architectures for high-resolution headlights without external multiplexers.
Does the TPS92662AQPHPRQ1 require an external CAN transceiver?
No, the TPS92662AQPHPRQ1 does not require an external CAN transceiver. Its multi-drop UART interface is electrically compatible with the CAN physical layer (ISO 11898-2), allowing direct connection to CAN bus wiring using standard termination resistors - though it operates at UART protocol level and lacks native CAN message framing or arbitration logic.
How does the TPS92662AQPHPRQ1 achieve EMI mitigation?
The TPS92662AQPHPRQ1 achieves EMI mitigation through two hardware-configurable features: (1) programmable Pierce oscillator drive strength to match crystal manufacturer recommendations, and (2) selectable clock buffer output strength that controls rise/fall times of the XTALO signal - both reducing harmonic content in the 30–1000 MHz radiated emission band per CISPR 25 Class 5 requirements.
What fault protection features are integrated into the TPS92662AQPHPRQ1?
The TPS92662AQPHPRQ1 integrates LED open-circuit and short-circuit detection per channel, reporting faults via status registers accessible over UART or I²C. It also includes thermal shutdown, input overvoltage lockout (65 V), and undervoltage lockout (4.2 V) - all implemented in hardware without software dependency, ensuring fail-safe behavior in automotive environments.
Can the TPS92662AQPHPRQ1 be used without an external EEPROM?
Yes, the TPS92662AQPHPRQ1 can operate without an external EEPROM. While the I²C interface (SDA/SCL/E2) supports reading/writing calibration data and binning values to external EEPROM, all core LED control functions - including PWM generation, bypass switching, and fault reporting - are fully operational using default register settings or MCU-initialized configurations.
TPS92662AQPHPRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 48-PowerTQFP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- DC DC Regulator
- Topology:
- Step-Down (Buck), Step-Up (Boost)
- Internal Switch(s):
- Yes
- Number of Outputs:
- 1
- Voltage - Supply (Min):
- 4.5V
- Voltage - Supply (Max):
- 60V
- Voltage - Output:
- -
- Current - Output / Channel:
- -
- Frequency:
- -
- Dimming:
- PWM
- Applications:
- -
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-HTQFP (7x7)
TPS92662AQPHPRQ1 FAQ
1.How can I place an order for TPS92662AQPHPRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS92662AQPHPRQ1 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 TPS92662AQPHPRQ1 reliable?
The price and inventory of TPS92662AQPHPRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS92662AQPHPRQ1 is usually 5 days.
3.What payment methods are accepted for TPS92662AQPHPRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS92662AQPHPRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS92662AQPHPRQ1?
TPS92662AQPHPRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS92662AQPHPRQ1 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 TPS92662AQPHPRQ1?
For technical support, including TPS92662AQPHPRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS92662AQPHPRQ1 requirements.
6.How does Aetrix verify that TPS92662AQPHPRQ1 is sourced from the original manufacturer or authorized distributors?
All TPS92662AQPHPRQ1 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 TPS92662AQPHPRQ1 meets industry standards.
7.What is the process for return or replacement of TPS92662AQPHPRQ1?
All TPS92662AQPHPRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TPS92662AQPHPRQ1, 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 TPS92662AQPHPRQ1 part is unused and in its original packaging.
Return procedure for TPS92662AQPHPRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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