Texas Instruments LMR66410MC5RXBRQ1
Manufacturer No:
LMR66410MC5RXBRQ1
Manufacturer:
Texas Instruments
Package:
Description:
Automotive, 36V, 1A synchronous step-down converter with 1.5uA IQ and low EMI
Quantity:
In Stock :9612
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Expected Shipping：Mon, Jun 8 - Tue, Jun 9, 2026
Lead Time：Inquire about availability
Date Code：Within 2 Years
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LMR66410MC5RXBRQ1 Information
Texas Instruments LMR66410MC5RXBRQ1 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments LMR66410MC5RXBRQ1.
- Type
- Parameter
- Rating
- Automotive
- TI functional safety category
- Functional Safety-Capable
- Operating temperature range (°C)
- -40 to 125
- Package
- VQFN-FCRLF (RXB)
- Pins
- 14
- Size
- 6.76 mm² 2.6 x 2.6
- REACH Status
- Yes
- RoHS Status
- RoHS Compliant
- Type
- Parameter
Download datasheets and manufacturer documentation for Texas Instruments LMR66410MC5RXBRQ1.
Data sheet:
The LMR664x0-Q1 is a small 36V, 3A (available in 2A and 1A variants) synchronous step-down DC/DC converter in an enhanced HotRod QFN package. This easy-to-use converter supports a wide input voltage range of 2.7V to 36V (after start-up or after operating) with transients up to 42V.
The LMR664x0-Q1 is specifically designed to meet low standby power requirements for always-on, automotive applications. Auto mode enables frequency foldback when operating at light loads, allowing an unloaded typical current consumption of 1.5µA at 13.5VIN and high light load efficiency. A seamless transition between PWM and PFM modes along with very low MOSFET ON resistances makes sure there is exceptional efficiency across the entire load range. The control architecture (peak current mode) and feature set are optimized for an ultra-small design size with minimal output capacitance. The device minimizes input filter size by using dual-random spread spectrum (DRSS), a low-EMI enhanced HotRod QFN package, and an optimized pinout. The MODE/SYNC pin can be used to set or synchronize the frequency to avoid noise sensitive frequency bands. There are NC pins between critical high voltage pins, reducing potential failures (excellent choice pin FMEA). The rich feature set of the LMR664x0-Q1 is designed to simplify implementation for a wide range of automotive end equipment.
- Functional Safety-Capable
- AEC-Q100-qualified for automotive applications:
- Temperature grade 1: –40°C to +125°C, TA
- Optimized for low EMI requirements:
- Dual random spread spectrum reduces peak emissions
- Enhanced HotRod™ QFN package minimizes switch node ringing
- Greater than 85% efficiency at 1mA
- Designed for automotive applications:
- Junction temperature range: –40°C to +150°C
- NC pin between critical pins for better reliability
- Best in-class pin FMEA
- Supports 42V automotive load dump transients
- Supports 3VIN for automotive cold crank
- Miniature design size and low component cost:
- 2.6mm × 2.6mm enhanced HotRod QFN package with wettable flanks
- Internal control loop compensation
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