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Texas Instruments LMQ644A2-Q1 | Demoboard LMQ644A2QEVM-D2100
LMQ644A2-Q1 dual output synchronous buck converter evaluation module
Overview
| Topology | Buck Converter |
| Input voltage | 6-36 V |
| Output 1 | 3.3 V / 6 A |
| Output 2 | 5 V / 6 A |
| IC revision | A |
Description
The LMQ644A2QEVM-D2100 evaluation module (EVM) evaluates the features and performance of the LMQ644A2-Q1, dual buck DC/DC converter with integrated power MOSFETs. The EVM provides dual 6 A outputs. The output voltage can be individually programmed to a fixed 3.3 V and 5 V or adjustable using external feedback resistors. Each channel can be enabled and or disabled by a jumper selection.
Features
- 6 V to 36 V input voltage range
- 5 V and 3.3 V output voltages
- Rated for 6 A per channel
- Ultra low IQ
- Dual-random spread spectum
Typical applications
- Automotive infotainment and cluster: head unit, media hub, USB charge, display
- Automotive ADAS and body electronics, Automotive infotainment and cluster: head unit, media hub, USB charge, display
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins | PCB/Cable/Panel | Modularity | Type | Wire Section | Z @ 100 MHz(Ω) | Zmax(Ω) | IR(A) | RDC(mΩ) | Version | C | VR(V (DC)) | Endurance(h) | IRIPPLE(mA) | Z(mΩ) | ILeak(µA) | DF(%) | Ø D(mm) | L(mm) | Packaging | Mount | H(mm) | Working Voltage(V (AC)) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WR-PHD Pin Header - Single, 2, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins2 | – | – | TypeStraight | – | – | – | Rated Current3 A | – | – | – | – | – | – | – | – | – | – | Length5.08 mm | PackagingBag | MountTHT | – | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | |||
 | WR-TBL Series 101 - 5.00 mm Horizontal Entry Modular, 2, Wire Protector | Simulation– | Downloads6 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-TBL Series 101 - 5.00 mm Horizontal Entry Modular | Pins2 | PCB/Cable/PanelPCB | ModularityYes | TypeHorizontal | Wire Section 26 to 14 (AWG) 0.5 to 2.5 (mm²) | – | – | Rated Current16 A | – | – | – | – | – | – | – | – | – | – | Length10 mm | PackagingBox | MountTHT | Height12.6 mm | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | ||
 | WR-PHD Pin Header - Single, 3, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins3 | – | – | TypeStraight | – | – | – | Rated Current3 A | – | – | – | – | – | – | – | – | – | – | Length7.62 mm | PackagingBag | MountTHT | – | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | |||
 | WCAP-ASLI Aluminum Electrolytic Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ASLI Aluminum Electrolytic Capacitors | – | – | – | – | – | – | – | – | – | VersionSMT | Capacitance47 µF | Rated Voltage50 V (DC) | Endurance 2000 | Ripple Current230 mA | Impedance700 mΩ | Leakage Current23.5 µA | Dissipation Factor12 % | Diameter6.3 mm | Length7.7 mm | Packaging15" Tape & Reel | MountV-Chip SMT | – | – | Operating Temperature -55 °C up to +105 °C | ||||
 | WE-MPSA EMI Multilayer Power Suppression Bead, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MPSA EMI Multilayer Power Suppression Bead | – | – | – | TypeHigh Current | – | Impedance @ 100 MHz100 Ω | Maximum Impedance160 Ω | Rated Current10 A | DC Resistance4 mΩ | – | – | – | – | – | – | – | – | – | Length8.5 mm | – | MountSMT | Height2.28 mm | – | Operating Temperature -55 °C up to +125 °C |