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Texas Instruments LMQ644A2-Q1 | Demoboard LMQ644A2QEVM-S2100
LMQ644A2-Q1 single output synchronous buck converter evaluation module
Overview
| Topology | Buck Converter |
| Input voltage | 6-36 V |
| Output 1 | 3.3 V / 12 A |
| IC revision | A |
Description
The LMQ644A2QEVM-S2100 evaluation module (EVM) evaluates the features and performance of the LMQ644A2-Q1, dual buck DC/DC converter with integrated power MOSFETs. The EVM provides 12 A output. The output voltage can be individually programmed to a fixed 3.3 V and 5 V or adjustable using external feedback resistors.
Features
6 V to 36 V input voltage range5 V and 3.3 V output voltagesRated for 6 A per channelUltra low IQDual-random spread spectum
Typical applications
- General-purpose dual buck converters
- 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 | Application | PCB/Cable/Panel | Modularity | Wire Section | Z @ 100 MHz (Ω) | Zmax (Ω) | RDC (mΩ) | Version | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | Q | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | Fl (mm) | Endurance (h) | Operating Temperature | IRIPPLE (mA) | Z (mΩ) | ILeak (µA) | Ø D (mm) | Pins (Value) (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 691101710002 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-TBL Series 101 - 5.00 mm Horizontal Entry Modular | Wire Protector | PCB | Yes | 26 to 14 (AWG) 0.5 to 2.5 (mm²) | – | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | – | – | – | 10 | – | – | – | – | – | – | – | – | 2 | – | 12.6 | – | Horizontal | 16 | Box | |
 | 865080645012 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-ASLI Aluminum Electrolytic Capacitors | – | – | – | – | – | – | – | SMT | 47 µF | ±20% | 50 | 6.3 x 7.7 | -55 °C up to +105 °C | – | 12 | 2.12766 MΩ | – | 7.7 | 6.6 | – | 2000 | -55 °C up to +105 °C | 230 | 700 | 23.5 | 6.3 | – | – | – | – | – | – | 15" Tape & Reel | ||
 | 61300211121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | – | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | – | 1000 MΩ | – | 5.08 | – | – | – | – | – | – | – | – | 2 | Single | – | Pin Header | Straight | 3 | Bag | |
 | 61300311121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | – | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | – | 1000 MΩ | – | 7.62 | – | – | – | – | – | – | – | – | 3 | Single | – | Pin Header | Straight | 3 | Bag | |
 | 885012006073 | SPEC | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 100 V(DC) | – | – | – | – | – | – | – | – | 10 pF | ±5% | 100 | 0603 | -55 °C up to +125 °C | 600 | – | 10 GΩ | NP0 Class I | 1.6 | 0.8 | 0.4 | – | -55 °C up to +125 °C | – | – | – | – | – | – | 0.8 | – | – | – | 7" Tape & Reel | ||
 | 78279225101 | SPEC | – | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-MPSA EMI Multilayer Power Suppression Bead | – | – | – | – | 100 | 160 | 4 | – | – | – | – | 3312 | -55 °C up to +125 °C | – | – | – | – | 8.5 | 3.05 | – | – | – | – | – | – | – | – | – | 2.28 | – | High Current | 10 | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 691101710002 | SPEC | – |
| 865080645012 | SPEC | |
| 61300211121 | SPEC | – |
| 61300311121 | SPEC | – |
| 885012006073 | SPEC | |
| 78279225101 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Application | PCB/Cable/Panel | Modularity | Wire Section | Z @ 100 MHz (Ω) | Zmax (Ω) | RDC (mΩ) | Version | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | Q | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | Fl (mm) | Endurance (h) | Operating Temperature | IRIPPLE (mA) | Z (mΩ) | ILeak (µA) | Ø D (mm) | Pins (Value) (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples |
|---|