LM5143QRWGTQ1Alternatives & Equivalent Parts
About LM5143QRWGTQ1
LM5143QRWGTQ1 is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Quad Flat No-Lead package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | LM5143QRWGTQ1Source | LM5143QRWGRQ1 | LM5143QRHARQ1 |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Quad Flat No-Lead | Other | Quad Flat No-Lead |
| Pin Count | 41 | 41 | 41 |
| Temperature Range | -40.0°C ~ 150.0°C | -40.0°C ~ 150.0°C | -40.0°C ~ 125.0°C |
| Price | — | $3.8734 | $3.1306 |
| Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | ACTIVE | ACTIVE |
| Electrical Parameters | |||
| Pbfree Code | Yes | Yes | Yes |
| YTEOL | 0 | 15 | 15 |
| Additional Feature | ALSO AVAILABLE VOUT= 5V; ADJ O/P VOLTAGE= 0.6V TO 55V | — | IT ALSO HAS 5V OUTPUT |
| Analog IC - Other Type | DUAL SWITCHING CONTROLLER | DUAL SWITCHING CONTROLLER | DUAL SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE | CURRENT-MODE | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION |
| Input Voltage-Max | 65 V | 65 V | 65 V |
| Input Voltage-Min | 3.5 V | 3.5 V | 3.5 V |
| Input Voltage-Nom | 12 V | 12 V | 12 V |
| JESD-30 Code | S-PQCC-N40 | S-PQCC-N40 | S-PQCC-N40 |
| Number of Functions | 1 | 1 | 1 |
| Output Voltage-Nom | 3.3 V | 3.3 V | 3.3 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | SQUARE | SQUARE | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 |
| Screening Level | AEC-Q100 | AEC-Q100 | AEC-Q100 |
| Surface Mount | YES | YES | YES |
| Switcher Configuration | BUCK | BUCK | BUCK |
| Switching Frequency-Max | 2500 kHz | 2200 kHz | 2200 kHz |
| Technology | BICMOS | BICMOS | BICMOS |
| Temperature Grade | AUTOMOTIVE | AUTOMOTIVE | — |
| Terminal Form | NO LEAD | NO LEAD | NO LEAD |
| Terminal Pitch | 0.5 mm | 0.5 mm | 0.5 mm |
| Terminal Position | QUAD | QUAD | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 |
| Date Of Intro | — | 2018-11-11 | — |
| JESD-609 Code | — | e4 | e4 |
| Number of Outputs | — | 2 | 2 |
| Output Current-Max | — | 40 A | 40 A |
| Output Voltage-Max | — | 55 V | 55 V |
| Output Voltage-Min | — | 0.6 V | 0.6 V |
| Terminal Finish | — | Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Package Equivalence Code | — | — | LCC40,.24SQ,20 |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 2 alternatives for LM5143QRWGTQ1 — response within 24 hours.
Quick Links
Switching Controller, Current-mode, 40A, 2200kHz Switching Freq-Max, BICMOS, PQCC40
Dual Switching Controller, Current-mode, 40A, 2200kHz Switching Freq-Max, BICMOS, PQCC40
Why Look for Alternatives?
Finding alternatives for LM5143QRWGTQ1 is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating LM5143QRWGTQ1 replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to LM5143QRWGTQ1?
Known equivalents for LM5143QRWGTQ1 include LM5143QRWGRQ1, LM5143QRHARQ1. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM5143QRWGTQ1?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify LM5143QRWGTQ1 alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.