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reference designLM53601-Q1 | Demoboard TIDA-01428

Texas Instruments LM53601-Q1 | Demoboard TIDA-01428

Automotive Discrete SBC Pre-Buck, Post-Boost With CAN Refernce Design

Overview

TopologyBuck Converter
Input voltage42 V
Output 13.3 V / 1 A
IC revisionE1

Description

The TIDA-01428 reference design implements a 1-A, wide-VIN, buck converter to 3.3 V followed by a compact, low-input voltage, fixed 5-V boost converter for powering a controller area network (CAN) physical layer interface. The design has been tested for CISPR 25 radiated emissions and conducted emissions using the voltage method and for immunity to bulk current injection (BCI) per ISO 11452-4 with CAN communication operating at 500 KBPS. The TIDA-01428 is an EMC-vetted power tree plus CAN reference design that can be used in many automotive applications. A system basis chip (SBC) is an integrated circuit (IC) that combines many typical building blocks of a system, which includes transceivers, linear regulators, and switching regulators. While these integrated devices can offer size and cost savings in a number of applications, the integrated devices do not work in every case. For applications where an SBC is not a good fit, it might be beneficial to build a discrete implementation of these aforementioned building blocks thus making a discrete SBC.

Features

  • AEC-Q100 qualified for automotive applications
  • –40°C to 150°C junction temperature range
  • Wide operating input voltage: 3.55 V to 36 V (with transient to 42 V)
  • 2.1-MHz fixed switching frequency with optional spread spectrum switching
  • Low quiescent current: 23 μA
  • Shutdown current: 1.8 μA
  • Adjustable, 3.3-V, or 5-V output variants
  • 650-mA or 1000-mA versions
  • Pin selectable forced PWM mode
  • RESET output with filter and delay release
  • External frequency synchronization
  • Internal compensation, soft start, current limit, and UVLO
  • 10-lead, 3-mm × 3-mm SON package with wettable flanks.Remark: BOM,user guide & Schematic are added.

More information

Parts approved by Texas Instruments

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Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear
Dominant Wavelength [typ.]570 nm
Emitting ColorBright Green 
Peak Wavelength [typ.]572 nm
Luminous Intensity [typ.]40 mcd
Forward Voltage [typ.]2 V
Chip TechnologyAlInGaP 
Viewing Angle Phi 0° [typ.]140 °
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MountSMT 
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Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear
Dominant Wavelength [typ.]590 nm
Emitting ColorYellow 
Peak Wavelength [typ.]595 nm
Luminous Intensity [typ.]120 mcd
Forward Voltage [typ.]2 V
Chip TechnologyAlInGaP 
Viewing Angle Phi 0° [typ.]140 °
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MountSMT 
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150060RS75000
SPECWL-SMCW SMT Mono-color Chip LED Waterclear, 625 nm, Red
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RAY files

Status
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iProduction 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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742792602
SPECWE-CBF SMT EMI Suppression Ferrite Bead, –, –
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Product seriesWE-CBF SMT EMI Suppression Ferrite Bead
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Rated Current2000 mA
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MountSMT 
Impedance @ 100 MHz60 Ω
Maximum Impedance110 Ω
Maximum Impedance600 MHz 
Rated Current 23000 mA
DC Resistance0.04 Ω
TypeHigh Current 
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7440690010
SPECWE-TPC SMT Tiny Power Inductor, –, –
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Product seriesWE-TPC SMT Tiny Power Inductor
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Inductance1 µH
Rated Current3600 mA
Saturation Current3.8 A
Self Resonant Frequency90 MHz
MountSMT 
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DC Resistance0.026 Ω
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