| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| SNJ55461FK | Texas Instruments | Check for Price | And Gate Based Peripheral Driver, 2 Driver, 0.5A, BIPolar, CQCC20 | SNJ55451BFK vs SNJ55461FK |
| SN55461FK-00 | Texas Instruments | Check for Price | And Gate Based Peripheral Driver, 0.5A, BIPolar, CQCC20 | SNJ55451BFK vs SN55461FK-00 |
| SN55461FK | Texas Instruments | Check for Price | And Gate Based Peripheral Driver, 2 Driver, 0.5A, BIPolar, CQCC20 | SNJ55451BFK vs SN55461FK |
| 77049022A | Texas Instruments | Check for Price | And Gate Based Peripheral Driver, 2 Driver, 0.5A, BIPolar, CQCC20 | SNJ55451BFK vs 77049022A |
Part Details for SNJ55451BFK by Texas Instruments
Results Overview of SNJ55451BFK by Texas Instruments
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (4 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (9 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.
Applications
Consumer Electronics
Energy and Power Systems
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Automotive
SNJ55451BFK Information
SNJ55451BFK by Texas Instruments is a Peripheral Driver.
Peripheral Drivers are under the broader part category of Drivers And Interfaces.
A driver controls the current or voltage delivered to components like LCDs or motors, while an interface component connects systems for data transfer and control. Read more about Drivers And Interfaces on our Drivers And Interfaces part category page.
Available Datasheets
| Part # | Manufacturer | Description | Datasheet |
|---|---|---|---|
| SNJ55451BFK | Texas Instruments | Dual Very-High Speed, High-Current Peripheral Drivers 20-LCCC -55 to 125 |
Price & Stock for SNJ55451BFK
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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Vyrian | And Gate Based Peripheral Driver, 2 Driver, 0.5A, BIPolar, CQCC20 | 5445 |
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RFQ |
US Tariff Estimator: SNJ55451BFK 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.
SNJ55451BFK Part Data Attributes
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SNJ55451BFK
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
SNJ55451BFK
Texas Instruments
And Gate Based Peripheral Driver, 2 Driver, 0.5A, BIPolar, CQCC20
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| Pbfree Code | Yes | |
| Part Life Cycle Code | Active | |
| Part Package Code | QLCC | |
| Package Description | Lccc-20 | |
| Pin Count | 20 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.90 | |
| Built-in Protections | Over Current | |
| Driver Number of Bits | 2 | |
| Input Characteristics | Standard | |
| Interface IC Type | And Gate Based Peripheral Driver | |
| JESD-30 Code | S-CQCC-N20 | |
| JESD-609 Code | e0 | |
| Length | 8.89 Mm | |
| Number of Functions | 2 | |
| Number of Terminals | 20 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -55 °C | |
| Output Characteristics | Open-Collector | |
| Output Current Flow Direction | Sink | |
| Output Current-Max | 0.4 A | |
| Output Peak Current Limit-Nom | 0.5 A | |
| Output Polarity | True | |
| Package Body Material | Ceramic, Metal-Sealed Cofired | |
| Package Code | QCCN | |
| Package Equivalence Code | LCC20,.35SQ | |
| Package Shape | Square | |
| Package Style | Chip Carrier | |
| Qualification Status | Not Qualified | |
| Screening Level | Mil-Prf-38535 | |
| Seated Height-Max | 2.03 Mm | |
| Supply Current-Max | 65 Ma | |
| Supply Voltage-Max | 5.5 V | |
| Supply Voltage-Min | 4.5 V | |
| Supply Voltage-Nom | 5 V | |
| Surface Mount | Yes | |
| Technology | Bipolar | |
| Temperature Grade | Military | |
| Terminal Finish | Tin/Lead (Sn/Pb) | |
| Terminal Form | No Lead | |
| Terminal Pitch | 1.27 Mm | |
| Terminal Position | Quad | |
| Turn-off Time | 0.025 µS | |
| Turn-on Time | 0.025 µS | |
| Width | 8.89 Mm |
Alternate Parts for SNJ55451BFK
This table gives cross-reference parts and alternative options found for SNJ55451BFK. 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 SNJ55451BFK, 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.
SNJ55451BFK Frequently Asked Questions (FAQ)
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Texas Instruments provides a recommended PCB layout in the datasheet, but it's essential to follow good PCB design practices, such as keeping the input and output traces short, using a solid ground plane, and minimizing noise coupling. Additionally, consider using a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
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To ensure reliable operation over the full temperature range (-40°C to 125°C), it's crucial to follow proper thermal management practices, such as providing adequate heat sinking, using a thermally conductive PCB material, and avoiding thermal hotspots. Additionally, consider using a temperature sensor to monitor the device temperature and adjust the operating conditions accordingly.
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While the SNJ55451BFK has internal ESD protection, it's not a substitute for external ESD protection measures. The internal protection is designed to protect against minor ESD events, but it may not be sufficient for more severe ESD events or in applications where ESD is a significant concern. Consider adding external ESD protection devices, such as TVS diodes, to ensure robust ESD protection.
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To optimize power supply decoupling, use a combination of ceramic and electrolytic capacitors with different values and placement strategies. Place a 100nF ceramic capacitor close to the device's power pins, and use a 10uF electrolytic capacitor further away from the device. This will help to filter out high-frequency noise and provide a stable power supply.
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The SNJ55451BFK has a high current consumption during startup, which can cause voltage droop or even brownout conditions if the power supply is not designed to handle it. Ensure that the power supply can provide sufficient current during startup, and consider adding a soft-start circuit or a current limiter to prevent damage to the device or the power supply.