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Texas Instruments TPS92662QPHPTQ1
- Part No.:
- TPS92662QPHPTQ1
- Manufacturer:
- Texas Instruments
- Category:
- LED Drivers
- Package:
- 48-PowerTQFP
- Datasheet:
-
TPS92662QPHPTQ1.pdf
- Description:
- IC LED DRIVER RGLTR PWM 48HTQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,343
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Product details
Overview
TPS92662QPHPTQ1 from Texas Instruments is an AEC-Q100 Grade 1 automotive LED matrix manager IC for adaptive headlight systems, featuring 12 integrated bypass switches (4×3 sub-strings), 4.5–60 V input range, programmable 10-bit PWM dimming with device-to-device synchronization, and multi-drop UART interface compatible with CAN physical layer.
For engineers reviewing the TPS92662QPHPTQ1 datasheet, TPS92662QPHPTQ1 pinout, TPS92662QPHPTQ1 application, or TPS92662QPHPTQ1 equivalent, this page delivers verified technical context, exact package mapping (HTQFP-48), confirmed LED open/short detection behavior, crystal oscillator driver capability, and real-world ADB system integration requirements.
Technical Context
The TPS92662QPHPTQ1 implements a dedicated LED pixel control architecture using four independent sub-strings of three series-connected high-side bypass switches per string, each rated for ≤20 V across switch and ≤62 V switch-to-ground. Its internal charge pump supplies gate drive voltage to achieve low RDS(on), minimizing conduction loss in high-current LED bypass paths.
It integrates an 8-bit ADC with two MUXed inputs for temperature compensation and LED binning value measurement, plus I²C interface for external EEPROM calibration storage. PWM phase shift, pulse width, and slew rate are individually programmable per LED channel to suppress EMI during dynamic dimming sequences.
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 and load-dump transients. |
| Bypass Switch Count | 12 integrated MOSFETs arranged as four 3-switch sub-strings - enables individual pixel-level LED bypass for matrix beam shaping. |
| PWM Resolution | Programmable 10-bit dimming - provides 1,024 intensity levels per LED for precise glare-free high-beam control. |
| Communication Interface | Multi-drop UART with CAN physical layer compatibility - reduces harness wiring count while maintaining noise immunity in vehicle environments. |
| ADC Capability | 8-bit ADC with two multiplexed inputs - used for real-time thermal monitoring and LED binning code reading to enable closed-loop brightness calibration. |
| Protection Features | Programmable open-LED and short-LED detection - reports faults via UART and disables affected channels to prevent thermal runaway. |
| Oscillator Support | Crystal oscillator driver (XTALI/XTALO) - provides stable timing reference for synchronized PWM across multiple TPS92662QPHPTQ1 devices. |
Pinout & Package
TPS92662QPHPTQ1 is housed in a thermally enhanced HTQFP-48 (PHP) package measuring 7.0 mm × 7.0 mm with 0.5 mm pitch and exposed PowerPAD for PCB heat dissipation. The package complies with AEC-Q100 Grade 1 (–40°C to +125°C ambient) and JEDEC MS-026 standards.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN | Main power input | Accepts 4.5–60 V supply; powers internal regulators and charge pump for bypass switch gate drive. |
| VDD | Digital core supply | 3.3 V internal LDO output for logic circuits; requires external decoupling capacitor. |
| VIO | I/O voltage reference | Configurable 1.8 V or 3.3 V interface level for UART/I²C pins; sets logic threshold for RX/TX/SDA/SCL. |
| GND | Analog/digital ground | Common return path; tied to exposed PowerPAD for thermal and electrical integrity. |
| TX / RX | UART serial interface | Half-duplex multi-drop bus; supports CAN transceiver connection for robust vehicle network communication. |
| SDA / SCL | I²C interface | Connects to external EEPROM for storing calibration data, LED bin codes, and system configuration. |
| XTALI / XTALO | Crytal oscillator terminals | Drives external 1–20 MHz crystal for precise timing reference used in PWM synchronization and UART baud generation. |
| LED1–LED12 | Bypass switch outputs | 12 dedicated source terminals for connecting LED string segments; each controlled independently for pixel-level dimming. |
| E2 | EEPROM select | Active-low chip select for external I²C EEPROM; allows multiple EEPROMs on same bus when daisy-chained. |
| CANH / CANL | CAN physical layer interface | Direct connection points for external CAN transceiver; enables use of standard CAN bus infrastructure without protocol stack overhead. |
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 - ensures reliability in under-hood automotive environments. |
| 12-channel LED bypass architecture | Four 3-switch sub-strings support flexible LED matrix topologies - enables both single-current-source and multi-current-source configurations with up to 4-switch parallelization per high-current LED. |
| Programmable PWM slew rate | Adjustable edge transition speed on all 12 bypass channels - directly mitigates radiated EMI during rapid LED on/off transitions in ADB applications. |
| Device-to-device synchronization | Hardware-based timing alignment across multiple TPS92662QPHPTQ1 units - eliminates visible flicker or misalignment in large-area adaptive lighting arrays. |
| Open/short LED fault reporting | Dedicated UART status register flags and automatic channel disable - enables fail-safe beam pattern reconfiguration without MCU intervention. |
Applications
| Adaptive Driving Beam (ADB) | Glare-Free High Beam |
|---|---|
|
Use Scenario: Dynamic high-beam masking in real time based on vehicle speed, steering angle, and surrounding traffic detected by camera/radar. IC Role / Device Role / Timing Role: Pixel-level LED bypass controller managing up to 12 individually addressable LED segments per headlamp unit. Use Value: Enables continuous high-beam illumination without blinding oncoming drivers - meets UNECE R149 and SAE J3069 compliance requirements. |
Use Scenario: Real-time beam shaping to avoid illuminating pedestrians, cyclists, or vehicles while maximizing forward visibility. IC Role / Device Role / Timing Role: Synchronized PWM dimming engine coordinating multiple TPS92662QPHPTQ1 devices across left/right headlamps. Use Value: Achieves <100 µs inter-device timing skew for seamless beam transitions - critical for smooth animation and flicker-free operation. |
| Sequential Turn Signal | Animated DRL |
|
Use Scenario: Directional LED sweep effect during turn indication, requiring precise timing and current control across multiple LED zones. IC Role / Device Role / Timing Role: High-speed bypass switch sequencer with programmable phase shift between adjacent LED channels. Use Value: Delivers consistent 20-ms step intervals and uniform brightness across 12-channel sequence - satisfies FMVSS 108 photometric timing requirements. |
Use Scenario: Daytime running light with dynamic intensity ramping, logo projection, or signature lighting patterns. IC Role / Device Role / Timing Role: Calibration-aware LED driver using ADC-measured binning values to maintain color/brightness consistency across production units. Use Value: Compensates for ±15% forward voltage variation between LED bins - ensures uniform luminance without manual trimming or post-production calibration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LED matrix management applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS92661QPHPRQ1 | 12-channel variant with identical pinout and feature set but lacks crystal oscillator driver (XTALI/XTALO); relies on external clock source. | Suitable for systems where master MCU provides synchronous clock signal; not usable in standalone or distributed-clock ADB architectures. | Select TPS92661QPHPRQ1 only if external clock distribution is already implemented and crystal footprint reduction is prioritized. |
| MAX20052ATG+T | 12-channel automotive LED controller with integrated boost converter; no UART/CAN interface; uses SPI instead. | Targets cost-sensitive headlight modules requiring integrated power conversion; incompatible with multi-drop UART networks or EEPROM-based calibration storage. | Choose MAX20052ATG+T when board space is constrained and DC-DC conversion must be co-located with LED control - not for CAN-connected ADB systems. |
Compared with TPS92662QPHPTQ1, the TPS92661QPHPRQ1 removes crystal oscillator support but retains full pin compatibility and UART/CAN functionality, whereas the MAX20052ATG+T replaces communication flexibility with integrated power conversion - making it unsuitable for distributed, multi-node adaptive lighting networks.
Availability
TPS92662QPHPTQ1 is available at Aetrix Electronics and suitable for automotive headlight systems, adaptive driving beam (ADB) modules, and glare-free high-beam implementations requiring stable component supply, AEC-Q100 compliance, and long-term production continuity.
Supply support for TPS92662QPHPTQ1 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 and embedded processing technologies, with leadership in automotive-grade power management and LED control solutions.
The TPS92662QPHPTQ1 belongs to TI's automotive LED matrix manager product line, designed specifically to enable pixel-level adaptive front-lighting systems (AFS) meeting UNECE R149, SAE J3069, and ISO 26262 functional safety readiness requirements.
FAQ
What is the operating temperature range for the TPS92662QPHPTQ1?
The TPS92662QPHPTQ1 is qualified to AEC-Q100 Grade 1 specifications, supporting continuous operation from –40°C to +125°C ambient temperature. This rating applies to the full device including internal charge pump, bypass switches, and digital logic - validated under automotive under-hood thermal stress conditions.
Does the TPS92662QPHPTQ1 support synchronization across multiple devices?
Yes, the TPS92662QPHPTQ1 supports hardware-based device-to-device synchronization using its crystal oscillator driver (XTALI/XTALO) and internal timing registers. Multiple TPS92662QPHPTQ1 units can be locked to the same reference clock to achieve sub-100 µs PWM phase alignment - essential for flicker-free ADB beam transitions.
How does the TPS92662QPHPTQ1 handle LED fault detection?
The TPS92662QPHPTQ1 provides programmable open-LED and short-LED detection on all 12 bypass channels. Fault conditions trigger automatic channel disable and report status via dedicated UART register bits - enabling immediate beam pattern reconfiguration by the host MCU without interrupt latency or software polling overhead.
Can the TPS92662QPHPTQ1 operate without an external crystal?
No - the TPS92662QPHPTQ1 requires an external crystal connected to XTALI/XTALO pins to generate its internal timing reference. Unlike the pin-compatible TPS92661QPHPRQ1, it does not support external clock input mode; omission of the crystal will prevent proper PWM generation, UART baud timing, and device synchronization.
What package type and thermal features does the TPS92662QPHPTQ1 use?
The TPS92662QPHPTQ1 uses an HTQFP-48 (PHP) package with 7.0 mm × 7.0 mm body size, 0.5 mm pitch, and exposed PowerPAD thermal pad. The PowerPAD must be soldered to a PCB copper pour with thermal vias to meet AEC-Q100 Grade 1 junction temperature limits - typical θJA is 32°C/W with 4×4 array of 0.3-mm vias under the pad.
TPS92662QPHPTQ1 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:
- -
- Internal Switch(s):
- Yes
- Number of Outputs:
- 12
- Voltage - Supply (Min):
- 4.5V
- Voltage - Supply (Max):
- 60V
- Voltage - Output:
- 62V
- 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)
TPS92662QPHPTQ1 FAQ
1.How can I place an order for TPS92662QPHPTQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS92662QPHPTQ1 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 TPS92662QPHPTQ1 reliable?
The price and inventory of TPS92662QPHPTQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS92662QPHPTQ1 is usually 5 days.
3.What payment methods are accepted for TPS92662QPHPTQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS92662QPHPTQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS92662QPHPTQ1?
TPS92662QPHPTQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS92662QPHPTQ1 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 TPS92662QPHPTQ1?
For technical support, including TPS92662QPHPTQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS92662QPHPTQ1 requirements.
6.How does Aetrix verify that TPS92662QPHPTQ1 is sourced from the original manufacturer or authorized distributors?
All TPS92662QPHPTQ1 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 TPS92662QPHPTQ1 meets industry standards.
7.What is the process for return or replacement of TPS92662QPHPTQ1?
All TPS92662QPHPTQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TPS92662QPHPTQ1, 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 TPS92662QPHPTQ1 part is unused and in its original packaging.
Return procedure for TPS92662QPHPTQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TPS92662QPHPTQ1 Tags
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