TPS929121QPWPRQ1 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
TPS929121QPWPRQ1 is an AEC-Q100 automotive-grade 12-channel 40 V high-side LED driver from Texas Instruments in a 24-pin HTSSOP package, operating from -40°C to +125°C. It features a FlexWire serial interface for daisy-chained LED string control in vehicle exterior lighting systems. RoHS-compliant with e4 finish, suitable for automotive headlamp, tail lamp, and DRL matrix lighting modules.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 25
- Lifecycle
- ACTIVE
- Datasheet
- TPS929121QPWPRQ1 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.3657(MOQ 100)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TPS929121QPWPRQ1?
- 12-channel 40 V high-side LED driver with FlexWire daisy-chain interface enables scalable automotive lighting matrix control with minimal wiring harness
- AEC-Q100 automotive qualification across -40°C to +125°C ensures reliability in exterior headlamp and tail lamp applications under harsh thermal cycling
- 36-segment multiplexed display capability supports pixel-level LED beam shaping and adaptive lighting patterns for matrix ADB headlight systems
What is TPS929121QPWPRQ1 used for?
TPS929121QPWPRQ1 is engineered for automotive exterior lighting applications including adaptive driving beam headlamps, tail lamps, and daytime running light modules requiring per-channel LED current control up to 40 V. Its FlexWire interface enables a centralized body control module to address multiple LED driver ICs over a single 2-wire bus, reducing harness complexity in distributed LED lighting architectures. The AEC-Q100 qualification and -40°C to +125°C operating range make it suitable for both front and rear lighting zones exposed to full automotive temperature cycling.
What are the specifications of TPS929121QPWPRQ1?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Input Characteristics | STANDARD |
| Interface IC Type | LED DISPLAY DRIVER |
| JESD-30 Code | R-PDSO-G24 |
| JESD-609 Code | e4 |
| Multiplexed Display Capability | NO |
| Number of Channels | 12 |
| Number of Functions | 1 |
| Number of Segments | 36 |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP24,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Screening Level | AEC-Q100 |
| Supply Voltage-Max | 40V |
| Supply Voltage-Min | 4.5V |
| Supply Voltage-Nom | 12V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| fmax-Min | 0.001MHz |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Malaysia |
Where can I find the TPS929121QPWPRQ1 datasheet?
TPS929121QPWPRQ1 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TPS929121QPWPRQ1?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many LED channels does TPS929121QPWPRQ1 control, and what is the maximum supply voltage?
TPS929121QPWPRQ1 drives 12 independent high-side LED channels from a 40 V maximum supply, supporting LED strings of multiple series LEDs per channel in automotive 12 V and 24 V electrical systems. The 40 V rating covers load dump transients in 12 V automotive systems without external clamping circuitry.
What is the FlexWire interface in TPS929121QPWPRQ1, and how does it simplify automotive lighting harness design?
FlexWire is a 2-wire daisy-chain communication interface that allows multiple TPS929121 ICs to share a single bus from the body control module, reducing wiring harness from 12 individual control wires per IC to just 2 shared wires. In a 4-IC configuration controlling 48 LED channels, this reduces connector pins by over 40 versus conventional PWM control wiring.
Is TPS929121QPWPRQ1 qualified for automotive headlamp applications, and what temperature range does it support?
Yes, TPS929121QPWPRQ1 meets AEC-Q100 automotive qualification and operates across -40°C to +125°C junction temperature, covering both winter cold-start and summer under-hood thermal extremes. This makes it compliant with headlamp ECU placement requirements where junction temperatures routinely reach 110°C to 120°C during high-beam operation.
What lighting architectures benefit most from TPS929121QPWPRQ1 over discrete PWM-controlled LED drivers?
Matrix adaptive driving beam (ADB) headlamps benefit most, as TPS929121QPWPRQ1 controls 12 individually addressable LED segments per IC with 36-segment multiplexing capability. A 4-IC cluster manages 48 independent pixel zones for real-time glare-free high-beam shaping, replacing dozens of discrete MOSFETs and saving over 30 PCB components in a typical ADB lighting module design.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 100+ | $2.8419 | $284.19 |
| 250+ | $2.6994 | $674.84 |
| 500+ | $2.6135 | $1306.73 |
| 2000+ | $2.4122 | $4824.36 |
| 4000+ | $2.3657 | $9462.72 |
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