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reference designLMR36015ARNXT | Demoboard TIDA-010052

Texas Instruments LMR36015ARNXT | Demoboard TIDA-010052

Safety power supply for motor drives reference design

Overview

TopologyBuck Converter
Input voltage4.2-60 V
Output 13.3 V / 1.5 A

Description

This reference design implements a safe-power supply for powering up microcontrollers in an architecture featuring two MCUs. The design has several protection features including overvoltage protection and short circuit protection to prevent the MCUs from getting damaged. The DC/DCs, LMR36515 and LMR36015 convert the 5-V and 12-V rail into 3.3 V, which is monitored by the TPS3703 and TPS3702 voltage monitors respectively

Features

  • Overvoltage, overcurrent, and short circuit protection of the 3.3-V rail for powering the MCU
  • Protection of the power supply input from an overvoltage of up to 60 V
  • Small form factor for space-critical applications
  • Synchronous buck DC/DC converter with integrated switch optimized for > 90% efficiency and compact design

Typical applications

  • Servo drive functional safety module

More information

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Order Code
Data­sheet
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Product series
λDom typ.(nm)
Emitting Color
λPeak typ.(nm)
IV typ.(mcd)
VF typ.(V)
Chip Technology
2θ50% typ.(°)
L(µH)
IR(A)
ISAT(A)
fres(MHz)
Mount
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC max.(mΩ)
SamplesAvailability & Sample
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150060RS75000
SPECWL-SMCW SMT Mono-color Chip LED Waterclear, 625 nm, Red
Simu­lation
Availability
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Downloads27 files

RAY files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear
Dominant Wavelength [typ.]625 nm
Emitting ColorRed 
Peak Wavelength [typ.]630 nm
Luminous Intensity [typ.]250 mcd
Forward Voltage [typ.]2 V
Chip TechnologyAlInGaP 
Viewing Angle Phi 0° [typ.]140 °
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MountSMT 
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744042100
SPECWE-TPC SMT Tiny Power Inductor, –, –
Simu­lation
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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-TPC SMT Tiny Power Inductor
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Inductance10 µH
Rated Current1.3 A
Saturation Current1 A
Self Resonant Frequency45 MHz
MountSMT 
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DC Resistance150 mΩ
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74437349150
SPECWE-LHMI SMT Power Inductor, –, –
Simu­lation
Availability
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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-LHMI SMT Power Inductor
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Inductance15 µH
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Self Resonant Frequency10 MHz
MountSMT 
Performance Rated Current3.6 A
Saturation Current @ 10%3.5 A
Saturation Current @ 30%7.2 A
DC Resistance92 mΩ
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