IC manufacturers Texas Instruments

IC manufacturers (99)

Texas Instruments LM5141-Q1 | Demoboard LM5141QRGEVM

Wide-Input 2.2MHz Low-Iq Synchronous Buck Controller

Overview

TopologyBuck Converter
Input voltage5.5-42 V
Output 15 V / 5 A
IC revisionA

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 Status Product seriesL
(µH)
ISAT
(A)
RDC max.
(mΩ)
fres
(MHz)
MountCVR
(V (DC))
Endurance
(h)
Operating TemperatureIRIPPLE
(mA)
RESR
(mΩ)
ILeak
(µA)
DF
(%)
Ø D
(mm)
L
(mm)
Pins (Value)
(pcs)
RowsH
(mm)
GenderTypeIR
(A)
PackagingColor Samples
7447798180SPEC
8 files Active i| Production is active. Expected lifetime: >10 years.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
875105344009SPEC
7 files Active i| Production is active. Expected lifetime: >10 years.WCAP-PSLP Aluminum Polymer Capacitors V-Chip SMT82 µF 16 2000 -55 °C up to +105 °C 2200 35 400 8 6.3 5.8 15" Tape & Reel
60900213421SPEC
3 files Active i| Production is active. Expected lifetime: >10 years.WR-PHD 2.54 mm Multi-Jumper Jumper with Test Point 2.44 1 Jumper 3 Bag Black
61300211121SPEC
6 files Active i| Production is active. Expected lifetime: >10 years.WR-PHD 2.54 mm THT Pin Header THT 5.08 2 Single Pin Header Straight 3 Bag
61300311121SPEC
6 files Active i| Production is active. Expected lifetime: >10 years.WR-PHD 2.54 mm THT Pin Header THT 7.62 3 Single Pin Header Straight 3 Bag
Samples
Order Code Data­sheet Simu­lation Downloads Status Product seriesL
(µH)
ISAT
(A)
RDC max.
(mΩ)
fres
(MHz)
MountCVR
(V (DC))
Endurance
(h)
Operating TemperatureIRIPPLE
(mA)
RESR
(mΩ)
ILeak
(µA)
DF
(%)
Ø D
(mm)
L
(mm)
Pins (Value)
(pcs)
RowsH
(mm)
GenderTypeIR
(A)
PackagingColor Samples