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LMS3655MQURNLRQ1 is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC REG BUCK ADJ 5.5A 22VQFN. Review the specifications below when checking this part for your BOM.
Voltage Regulators - DC DC Switching Regulators specifications for LMS3655MQURNLRQ1
- Description：IC REG BUCK ADJ 5.5A 22VQFN
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：3.9V
- Voltage - Input (Max)：36V
- Voltage - Output (Min/Fixed)：1V
- Voltage - Output (Max)：20V
- Current - Output：5.5A
- Frequency - Switching：400kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount, Wettable Flank
- Package / Case：22-PowerVFQFN
- Supplier Device Package：22-VQFN-HR (5x4)
- Grade：Automotive
- Qualification：AEC-Q100
Voltage Regulators - DC DC Switching Regulators datasheet and documents for LMS3655MQURNLRQ1
Voltage Regulators - DC DC Switching Regulators Overview
The LMS3655MQURNLRQ1 is a synchronous step-down DC/DC converter from the LMS3655-Q1 family, manufactured by Texas Instruments. It operates with an input voltage range of 3.9 V to 36 V and delivers up to 5.5 A of output current. The device features a fixed switching frequency of 400 kHz and supports adjustable output voltages typically between 3.3 V and 6 V. It is housed in a VQFN-HR-22 package and is qualified under AEC-Q100 standards for automotive applications. The component functions within a junction temperature range of -40°C to +150°C.
Voltage Regulators - DC DC Switching Regulators Feature Summary
- Integrated synchronous buck topology for high-efficiency power conversion
- Automotive-grade qualification ensuring reliability in harsh environments
- Wide input voltage capability supporting various system power rails
Voltage Regulators - DC DC Switching Regulators Applications
- Automotive infotainment systems
- Body control modules
- Telematics units
Voltage Regulators - DC DC Switching Regulators Procurement Notes
Verify the exact suffix against official datasheets to confirm pinout and thermal characteristics. Ensure compatibility with AEC-Q100 requirements for your specific automotive application tier. Confirm package dimensions match your PCB footprint design constraints before finalizing procurement decisions.
Voltage Regulators - DC DC Switching Regulators Selection Notes
Select this component when a robust, high-current solution is required for automotive environments. Consider the 400 kHz frequency for balancing efficiency and external component size. Verify that the thermal performance of the VQFN-HR-22 package meets your board's heat dissipation capabilities under maximum load conditions.
Voltage Regulators - DC DC Switching Regulators Part Context
This part belongs to the LMS3655-Q1 series of synchronous step-down converters designed for automotive use. It shares architectural similarities with other members like LMS3655AQRNLRQ1 but may differ in specific electrical parameters or packaging options. The series targets applications requiring reliable power management in vehicles.
Voltage Regulators - DC DC Switching Regulators Replacement Considerations
LMS3655AQRNLRQ1 is a documented alternative within the same family. Verify if the specific output voltage configuration and thermal requirements align with your design needs before substituting.
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