LM5146QRGYTQ1 Texas Instruments Integrated Circuit (Other) In Stock
LM5146QRGYTQ1 is a 100V voltage-mode PWM synchronous buck controller from Texas Instruments, supporting 5.5V–100V input range with pulse width modulation control. Ideal for industrial and automotive power supplies. From $3.32, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 21
- Lifecycle
- ACTIVE
- Datasheet
- LM5146QRGYTQ1 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.3177(MOQ 10)
- Temp Range
- -40.0°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 100V wide input voltage range (5.5V–100V) suits high-voltage industrial and automotive applications
- Voltage-mode PWM control with configurable pulse width modulation for precise output regulation
- Synchronous buck topology improves efficiency and reduces external component count
- AEC-Q100 qualified (QRGYTQ1 suffix) for automotive-grade reliability
- Compact 20-pin VQFN (R-PQCC-N20) package for space-constrained designs
- Pb-free and RoHS-compliant (JESD-609 e3) for global market compatibility
Applications
The LM5146QRGYTQ1 is well-suited for automotive DC-DC power modules, including ADAS, infotainment, and body control units requiring robust 48V bus step-down conversion. It also serves industrial power supplies, telecom infrastructure equipment, and server power delivery networks where wide input voltage tolerance and high reliability are essential.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 100V |
| Input Voltage-Min | 5.5V |
| Input Voltage-Nom | 48V |
| JESD-30 Code | R-PQCC-N20 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 20A |
| Output Voltage-Max | 60V |
| Output Voltage-Min | 0.8V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG |
| Peak Reflow Temperature (Cel) | 260 |
| Screening Level | AEC-Q100 |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 1000kHz |
| Technology | BICMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Mainland China, Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM5146QRGYTQ1:
Switching Controller, Voltage-mode, 20A, 1000kHz Switching Freq-Max, BICMOS, PQCC20
Frequently Asked Questions
What is the input voltage range of the LM5146QRGYTQ1?
The LM5146QRGYTQ1 supports an input voltage range of 5.5V to 100V, with a nominal operating voltage of 48V. This wide range makes it suitable for automotive 12V/24V/48V systems and industrial power supplies.
What control mode does the LM5146QRGYTQ1 use?
The LM5146QRGYTQ1 uses voltage-mode pulse width modulation (PWM) control. This control technique provides excellent noise immunity and simplifies loop compensation design for synchronous buck converter applications.
Is the LM5146QRGYTQ1 qualified for automotive applications?
Yes, the 'Q1' suffix in LM5146QRGYTQ1 indicates it is AEC-Q100 qualified for automotive use. It is designed to meet the stringent reliability and temperature requirements of automotive and industrial environments.
What package does the LM5146QRGYTQ1 come in?
The LM5146QRGYTQ1 is available in a 20-pin WQFN (R-PQCC-N20) package, which offers a compact footprint suitable for space-constrained automotive and industrial power supply designs.
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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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 10+ | $4.5130 | $45.13 |
| 25+ | $4.1692 | $104.23 |
| 100+ | $3.7908 | $379.08 |
| 1250+ | $3.3869 | $4233.63 |
| 1750+ | $3.3516 | $5865.35 |
| 2500+ | $3.3177 | $8294.27 |
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