LM3429Q1MH/NOPBIn StockTexas Instruments
N-Channel controller IC for constant current LED drivers, supports wide input voltage range with PWM dimming and fault protection. From $1.77 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 15
- Lifecycle
- ACTIVE
- Datasheet
- LM3429Q1MH/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.7749(MOQ 105)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- N-Channel MOSFET gate driver optimized for high-brightness constant current LED applications
- Wide input voltage range with integrated PWM dimming control for precise brightness adjustment
- Built-in fault protection including open/short LED detection for robust system reliability
- Single-channel design in compact MSOP-14 package for space-constrained LED driver designs
Applications
The LM3429Q1MH/NOPB is widely used in automotive exterior and interior LED lighting systems requiring AEC-Q100 qualified components. It is also applied in industrial LED luminaires and street lighting where constant current regulation and PWM dimming are essential. Additionally, it suits high-power LED driver designs in display backlights and architectural lighting that demand efficient N-channel MOSFET control.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Input Characteristics | STANDARD |
| Interface IC Type | LED DISPLAY DRIVER |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e3 |
| Multiplexed Display Capability | NO |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Number of Segments | 1 |
| Output Characteristics | CONSTANT-CURRENT |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP14,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Screening Level | AEC-Q100 |
| Supply Voltage-Max | 75V |
| Supply Voltage-Min | 4.5V |
| Supply Voltage-Nom | 14V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| fmax-Min | 2MHz |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM3429Q1MH/NOPB:
Frequently Asked Questions
What is the input voltage range of the LM3429Q1MH/NOPB?
The LM3429Q1MH/NOPB supports a wide input voltage range suitable for automotive and industrial applications. It operates with a VIN from 4.5V up to 75V, making it ideal for 12V and 24V automotive LED lighting systems as well as industrial LED drivers running from higher supply rails.
Does the LM3429Q1MH/NOPB support PWM dimming for LED brightness control?
Yes, the LM3429Q1MH/NOPB features integrated PWM dimming capability. By applying a PWM signal to the dedicated dimming pin, designers can achieve precise LED brightness control with high dynamic range, which is critical for automotive dashboard lighting and architectural LED luminaires requiring smooth, flicker-free dimming performance.
What package does the LM3429Q1MH/NOPB come in, and what are its key application areas?
The LM3429Q1MH/NOPB is available in a 14-pin MSOP (Small Outline Package), which is compact and suitable for PCB space-constrained designs. It is primarily used in automotive LED headlights, tail lights, industrial LED street lighting, high-power LED display backlights, and any application requiring reliable N-channel MOSFET-based constant current LED driving.
Is the LM3429Q1MH/NOPB AEC-Q100 qualified for automotive use?
Yes, the Q1 designation in LM3429Q1MH/NOPB indicates it is AEC-Q100 qualified, meeting stringent automotive reliability standards. This makes it suitable for use in automotive exterior lighting, ADAS sensor illumination, and other vehicle LED applications that require components to pass automotive-grade temperature cycling, humidity, and lifetime testing.
Where can I buy the LM3429Q1MH/NOPB and what is the typical price?
The LM3429Q1MH/NOPB from Texas Instruments is available through FindMyChip with a typical unit price starting from $1.77. It is in stock and available for worldwide shipping. You can submit an RFQ on the product page to receive a competitive quote with fast delivery options for both prototype quantities and volume production orders.
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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.
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