Texas Instruments LMR604105SRAKRQ1
Manufacturer No:
LMR604105SRAKRQ1
Manufacturer:
Texas Instruments
Package:
Description:
Automotive, 36V, 1A synchronous buck converter with low Iq and high-efficiency with minimized cout
Quantity:
In Stock :1231
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Expected Shipping：Fri, Jun 5 - Sat, Jun 6, 2026
Lead Time：Inquire about availability
Date Code：Within 2 Years
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LMR604105SRAKRQ1 Information
Texas Instruments LMR604105SRAKRQ1 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments LMR604105SRAKRQ1.
- Type
- Parameter
- Rating
- Automotive
- Topology
- Buck
- Iout (max) (A)
- 1
- Vin (max) (V)
- 36
- Vin (min) (V)
- 3
- Vout (max) (V)
- 34
- Vout (min) (V)
- 1
- Features
- Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Soft Start Fixed, Spread Spectrum, Synchronous Rectification
- EMI features
- Low parasitic Hotrod packaging, Spread Spectrum
- Control mode
- current mode
- Type
- Parameter
- Switching frequency (min) (kHz)
- 200
- Switching frequency (max) (kHz)
- 2200
- TI functional safety category
- Functional Safety-Capable
- Operating temperature range (°C)
- -40 to 150
- Iq (typ) (µA)
- 0.4
- Duty cycle (max) (%)
- 98
- Type
- Converter
- Package
- WQFN-HR (RAK)
- Pins
- 9
- Size
- 5 mm² 2.5 x 2
Download datasheets and manufacturer documentation for Texas Instruments LMR604105SRAKRQ1.
Data sheet:
Functional safety information:
EVM User's guide:
The LMR60410-Q1 is a 3V to 36V (42V transient), 1A, synchronous, buck converter designed for automotive applications. The LMR60410-Q1 offers variants with spread spectrum in an ultra-compact, 2.5mm × 2mm, HotRod QFN-9 package, with wettable flanks available, which reduces inductance and achieves low electromagnetic interference (EMI) performance to facilitate qualification of automotive and other noise-sensitive designs. All device variants are capable of output voltages ranging from 1V to 20V by including a resistor divider between the output voltage node, feedback, and ground. Each variant of the device is also capable of delivering a fixed output voltage by connecting the output voltage node directly to the feedback pin. The Device Comparison Table provides details on the fixed output voltage options. The current-mode control architecture with 30ns (typical) minimum on-time allows high conversion ratios at high frequencies, easy loop compensation, fast transient response, and excellent load and line regulation. An open drain power-good output facilitates power sequencing requirements. The MODE/SYNC pin of the LMR60410-Q1 allows the user to select between modes of operation. Forced pulse width modulation (FPWM) mode results in constant switching frequency across load while auto mode allows for seamless transitions between pulse width modulation (PWM) and pulse frequency modulation (PFM) switching. In auto mode, the LMR60410-Q1 consumes only 5µA of quiescent current which facilitates high efficiency at all loads. Few external components are needed allowing for compact PCB layout. The LMR60410-Q1 is a part of a family of pin compatible devices ranging in current levels from 0.6A to 6A.
- Functional Safety-Capable
- AEC-Q100 qualified for automotive applications
- Device temperature grade 1: –40°C to 125°C ambient operating temperature range
- Wide operating input voltage: 3V to 36V (42V absolute maximum)
- Pin programmable output voltage options available in fixed 3.3V/ADJ and 5V/ADJ
- Adjustable output voltage range from 1V to 20V
- Low minimum tON (30ns typical)
- Optimized for low electromagnetic interference (EMI) requirements:
- Low inductance HotRod™ QFN package
- Advanced spread spectrum options available
- Programmable switching frequency from 200kHz – 2.2MHz
- FPWM, PFM, or external frequency synchronization available
- Ultra-low quiescent current
- Shutdown current: 0.65µA
- Standby current: 5µA
- Designed for scalable power supplies
- Pin compatible with LMR60406-Q1, LMR60420-Q1, LMR60430-Q1, and LMR60440-Q1
- Power-Good output for power sequencing
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