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$5000TI LM51551QDSSRQ1
2420kHz maximum switching frequency
Brands: Texas Instruments
Mfr.Part #: LM51551QDSSRQ1
Datasheet: LM51551QDSSRQ1 Datasheet (PDF)
Package/Case: WFDFN-12
Product Type: DC DC Switching Controllers
RoHS Status:
Stock Condition: 5,567 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
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LM51551QDSSRQ1 General Description
One of the standout features of the LM51551QDSSRQ1 is its AEC-Q100 qualification, which certifies that this converter meets rigorous automotive-grade standards for performance and reliability. Designed to withstand harsh automotive environments, this converter can operate in temperature ranges from -40°C to 150°C without compromising on efficiency or transient response. This level of durability and resilience makes the LM51551QDSSRQ1 a top choice for automotive engineers looking for a dependable power supply solution
Features
- Simplified design with few external components
- Highly integrated architecture minimizes PCB area
- Easy integration into existing systems and designs
Application
Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Regulator Topology | Boost, Flyback, SEPIC | Vin (min) (V) | 1.5 |
| Vin (max) (V) | 45 | Vout (min) (V) | 1.5 |
| Vout (max) (V) | 300 | Regulated outputs (#) | 1 |
| Switching frequency (min) (kHz) | 100 | Switching frequency (max) (kHz) | 2200 |
| Iq (typ) (mA) | 0.48 | Features | Adjustable current limit, Frequency synchronization, Hiccup mode protection, Nonsynchronous rectification, Power good, Synchronization, UVLO adjustable |
| Duty cycle (max) (%) | 93 | Rating | Automotive |
| Operating temperature range (°C) | -40 to 125, -40 to 150 |
Shipping
| Shipping Type | Ship Fee | Lead Time | |
|---|---|---|---|
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DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
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Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
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UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
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EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time：Shipping fee depend on different zone and country.
Payment
| Terms of payment | Hand Fee | |
|---|---|---|
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Wire Transfer | charge US$30.00 banking fee. |
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Paypal | charge 4.5% service fee. |
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Credit Card | charge 3.5% service fee. |
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Western Union | charge US.00 banking fee. |
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Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
Packing
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Step1 :Product Inventory
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Step2 :Pressure Relief Packaging
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Step3 :Anti Static Packaging
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Step4 :Protective Packaging
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Step5 :Sealed Packaging
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Step6 :Preparation for shipment
We will inspect and count all goods before shipping to ensure that all products are intact and in accurate quantity, and will fully package them to ensure that they will not be damaged during transportation.
Part points
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The LM51551QDSSRQ1 is a synchronous buck DC-DC converter chip with integrated high and low-side FETs. It is designed for automotive applications with a wide input voltage range from 3.5V to 42V and adjustable output voltage. The chip offers high efficiency and protection features such as overcurrent and overtemperature protection.
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Equivalent
Some equivalent products of LM51551QDSSRQ1 chip are TPS54231, TPS54334, and LM5146. These chips are all voltage regulators with similar functionalities and performance characteristics, making them suitable alternatives for various power management applications. -
Features
The LM51551QDSSRQ1 is a synchronous step-down DC-DC converter IC. Key features include a wide input voltage range (up to 42V), adjustable output voltage, integrated MOSFETs, high efficiency, and protection features like overcurrent and thermal shutdown. It is designed for automotive applications. -
Pinout
The LM51551QDSSRQ1 is a 32-pin regulated buck-converter with an input voltage range of 3.5 V to 65 V. It provides an output current of up to 5A. The device features include peak current-mode control, adjustable frequency, and integrated bootstrap diode. Key functions include power good flag, adjustable soft-start time, and thermal shutdown protection. -
Manufacturer
The LM51551QDSSRQ1 is manufactured by Texas Instruments. Texas Instruments is an American semiconductor company that designs and manufactures integrated circuits and other electronic components. They are one of the largest producers of semiconductors in the world and are known for their wide range of products used in various applications such as automotive, consumer electronics, and industrial equipment. -
Application Field
The LM51551QDSSRQ1 is suitable for automotive applications such as infotainment systems, advanced driver assistance systems (ADAS), and central body control modules. It can also be used in industrial and consumer electronics with demanding thermal requirements due to its high efficiency and thermal performance. -
Package
The LM51551QDSSRQ1 chip is in a WSON-12 package with a surface-mount form factor. It has a size of 3mm x 4mm.
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