Part Details for PT6943C by Texas Instruments
Results Overview of PT6943C by Texas Instruments
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (0 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (5 options)
- CAD Models: (Request Part)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
PT6943C Information
PT6943C by Texas Instruments is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Price & Stock for PT6943C
| Part # | Distributor | Description | Stock | Price | Buy | |
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Vyrian | Switching Regulator, Voltage-mode, 6A, 400kHz Switching Freq-Max, Hybrid | 9562 |
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RFQ |
US Tariff Estimator: PT6943C by Texas Instruments
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
Part Details for PT6943C
PT6943C Part Data Attributes
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PT6943C
Texas Instruments
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Datasheet
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PT6943C
Texas Instruments
Switching Regulator, Voltage-mode, 6A, 400kHz Switching Freq-Max, Hybrid, SMA27
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Part Package Code | MODULE | |
| Package Description | Smd-27 | |
| Pin Count | 27 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.60 | |
| Analog IC - Other Type | Switching Regulator | |
| Control Mode | Voltage-Mode | |
| Input Voltage-Max | 5.5 V | |
| Input Voltage-Min | 4.5 V | |
| Input Voltage-Nom | 5 V | |
| JESD-30 Code | R-XSMA-G27 | |
| Number of Functions | 1 | |
| Number of Terminals | 27 | |
| Operating Temperature-Max | 85 °C | |
| Operating Temperature-Min | -40 °C | |
| Output Current-Max | 6 A | |
| Package Body Material | Unspecified | |
| Package Code | SMA | |
| Package Equivalence Code | SMSIP27H,1.0 | |
| Package Shape | Rectangular | |
| Package Style | Microelectronic Assembly | |
| Qualification Status | Not Qualified | |
| Surface Mount | Yes | |
| Switcher Configuration | Single | |
| Switching Frequency-Max | 400 Khz | |
| Technology | Hybrid | |
| Temperature Grade | Industrial | |
| Terminal Form | Gull Wing | |
| Terminal Pitch | 2.54 Mm | |
| Terminal Position | Single |
Alternate Parts for PT6943C
This table gives cross-reference parts and alternative options found for PT6943C. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of PT6943C, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| PT6121N | Texas Instruments | Check for Price | Switching Regulator, Voltage-mode, 1A, 600kHz Switching Freq-Max, Hybrid, SMA12 | PT6943C vs PT6121N |
| PT6122N | Texas Instruments | Check for Price | Switching Regulator, Voltage-mode, 1A, 600kHz Switching Freq-Max, Hybrid | PT6943C vs PT6122N |
| PT6947C | Texas Instruments | Check for Price | Switching Regulator, Voltage-mode, 6A, 400kHz Switching Freq-Max, Hybrid, SMA27 | PT6943C vs PT6947C |
| PT6941C | Texas Instruments | Check for Price | Switching Regulator, Voltage-mode, 6A, 400kHz Switching Freq-Max, Hybrid, SMA27 | PT6943C vs PT6941C |
| PT6944C | Texas Instruments | Check for Price | Switching Regulator, Voltage-mode, 6A, 400kHz Switching Freq-Max, Hybrid, SMA27 | PT6943C vs PT6944C |
PT6943C Frequently Asked Questions (FAQ)
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TI recommends a 2-layer PCB with a solid ground plane on the bottom layer and a thermal relief pattern on the top layer to minimize thermal resistance. A minimum of 2 oz copper thickness is recommended.
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Ensure proper heat sinking, use a thermal interface material (TIM) with a thermal conductivity of at least 1 W/m-K, and follow the recommended PCB layout. Also, consider derating the output current and voltage according to the temperature derating curve in the datasheet.
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The maximum allowed voltage on the enable pin (EN) is 6 V. Exceeding this voltage may damage the device. It's recommended to use a voltage divider or a buffer to ensure the enable pin voltage remains within the specified range.
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Yes, the PT6943C is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard and is designed to operate in harsh environments. However, it's essential to follow the recommended design and layout guidelines to ensure reliable operation.
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Use the equations provided in the datasheet to calculate the power dissipation (PD) and junction temperature (TJ). PD = (VIN - VOUT) x IOUT x Efficiency, and TJ = TA + (PD x θJA), where θJA is the junction-to-ambient thermal resistance.