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Texas Instruments LM5141-Q1 | Demoboard LM5141QRGEVM
Wide-Input 2.2MHz Low-Iq Synchronous Buck Controller
Overview
| Topology | Buck Converter |
| Input voltage | 5.5-42 V |
| Output 1 | 5 V / 5 A |
| IC revision | A |
Description
The LM5141QRGEVM evaluation board provides a fully functional buck power supply, employing peak current mode control. The evaluation board provides a 5.0V @ 5A. The nonomal input voltage range is 8V-18V.
Features
Qualified for Automotive ApplicationsAEC-Q100 Qualified With the Following Results:Device Temperature Grade 1: –40°C to +125°C Ambient Operating TemperatureDevice HBM ESD Classification Level 2Device CDM ESD Classification Level C4B
VIN: 3.8 V to 65 V (70 V Absolute Maximum)Output: Fixed 3.3 V, 5 V, or Adjustable From1.5 V to 15 V with ±0.8% AccuracyFixed 2.2-MHz or 440-kHz Switching Frequency with ±5% AccuracyHigh-Side and Low-Side Gate Drive With Slew-Rate ControlOptional Frequency Shift by Varying an Analog Voltage or RT ResistorOptional Synchronization to an External ClockOptional Spread SpectrumShutdown Mode IQ: 10 µA TypicalLow Standby Mode IQ: 35 µA Typical75-mV Current Limit Threshold with ±0.9% AccuracyExternal Resistor or DCR Current SensingOutput Enable Logic InputHiccup Mode for Sustained OverloadPower-Good Indication OutputSelectable Diode Emulation or Forced Pulse-Width Modulation24-pin VQFN Package With Wettable Flanks
Typical applications
- Infotainment Systems / Instrumentation Clusters / Advanced Driver Assistance Systems (ADAS)
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | L (µH) | ISAT (A) | RDC max. (mΩ) | fres (MHz) | Mount | C | VR (V (DC)) | Endurance (h) | Operating Temperature | IRIPPLE (mA) | RESR (mΩ) | ILeak (µA) | DF (%) | Ø D (mm) | L (mm) | Pins | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Color | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7447798180 | SPEC | 8 files | WE-PDF SMT Power Inductor | 1.8 | 12.8 | 4.5 | 74 | SMT | – | – | – | -40 °C up to +150 °C | – | – | – | – | – | 10.2 | 2 | – | 6.1 | – | – | 14.5 | – | – | ||
 | 875105344009 | SPEC | 7 files | WCAP-PSLP Aluminum Polymer Capacitors | – | – | – | – | V-Chip SMT | 82 µF | 16 | 2000 | -55 °C up to +105 °C | 2200 | 35 | 400 | 8 | 6.3 | 5.8 | – | – | – | – | – | – | 15" Tape & Reel | – | ||
 | 60900213421 | SPEC | – | 3 files | WR-PHD 2.54 mm Multi-Jumper Jumper with Test Point | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 2.44 | 1 | – | – | Jumper | – | 3 | Bag | Black | |
 | 61300211121 | SPEC | – | 6 files | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | THT | – | – | – | – | – | – | – | – | – | 5.08 | 2 | Single | – | Pin Header | Straight | 3 | Bag | – | |
| 61300311121 | SPEC | – | 6 files | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | THT | – | – | – | – | – | – | – | – | – | 7.62 | 3 | Single | – | Pin Header | Straight | 3 | Bag | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7447798180 | SPEC | |
| 875105344009 | SPEC | |
| 60900213421 | SPEC | – |
| 61300211121 | SPEC | – |
| 61300311121 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | L (µH) | ISAT (A) | RDC max. (mΩ) | fres (MHz) | Mount | C | VR (V (DC)) | Endurance (h) | Operating Temperature | IRIPPLE (mA) | RESR (mΩ) | ILeak (µA) | DF (%) | Ø D (mm) | L (mm) | Pins | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Color | Samples |
|---|