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2.2-MHz wide VIN, 1.5-A MOSFET driver, non-synchronous boost controller, hiccup mode protection
WSON-12Manufacturer:
Mfr.Part #:
LM51551QDSSRQ1
Datasheet:
Series: LM51551-Q1
Output Type:
Transistor Driver
Function:
Step-Up, Step-Up/Step-Down
Output Configuration:
Positive
EDA/CAD Models:
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The LM51551QDSSRQ1 is an automotive-grade synchronous buck controller IC designed for high-performance power supply applications. It features ultra-low shutdown current, optimized operating current, and support for advanced control techniques and algorithms. The device offers a range of benefits, including programmable switching frequency, synchronized clock option, and dynamic adjustment to optimize performance. Additionally, it has increased thermal shutdown threshold, enhanced error amplifier, precision VCC tracking, and simplified design with few external components. The LM51551QDSSRQ1 is suitable for automotive applications such as infotainment systems, advanced driver-assistance systems (ADAS), and LED lighting due to its high efficiency, wide input voltage range, and compact size.
The LM51551QDSSRQ1 features include:
The package type of LM51551QDSSRQ1 is WSON-12.
The LM51551QDSSRQ1 has a WSON-12 package with 12 pins.
Here's a concise overview of its pin functions:
Please note that this is a summary, and for more detailed information, please refer to the datasheet or manufacturer's documentation.
The manufacturer of the LM51551QDSSRQ1 is Texas Instruments (TI). Texas Instruments is a leading semiconductor company that designs, manufactures, tests, and sells analog and digital embedded processing systems, including semiconductors, microcontrollers, and application-specific integrated circuits (ASICs).
The LM51551QDSSRQ1 is suitable for automotive applications such as infotainment systems, advanced driver-assistance systems (ADAS), and LED lighting due to its high efficiency, wide input voltage range, and compact size. It's ideal for use in space-constrained automotive electronics.
Based on Texas Instruments' product information, some equivalent products to LM51551QDSSRQ1 include:
These synchronous buck converter ICs share similar features and applications with the LM51551QDSSRQ1.
Category | Integrated Circuits (ICs)Power Management (PMIC)DC DC Switching Controllers | Output Type | Transistor Driver |
Function | Step-Up, Step-Up/Step-Down | Output Configuration | Positive |
Topology | Boost, Flyback, SEPIC | Number of Outputs | 1 |
Output Phases | 1 | Voltage - Supply (Vcc/Vdd) | 2.97V ~ 45V |
Frequency - Switching | 100kHz ~ 2.2MHz | Duty Cycle (Max) | 93% |
Synchronous Rectifier | No | Clock Sync | Yes |
Serial Interfaces | - | Control Features | Soft Start |
Operating Temperature | -40°C ~ 150°C (TJ) | Mounting Type | Surface Mount, Wettable Flank |
Base Product Number | LM51551 | Package/Case | WSON-12 |
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