Automotive Pre-Buck, Post-Boost With CAN Discrete SBC Reference Design
TIDA-01428
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Key Document

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
  • Wide-input voltage, fixed 3.3V buck converter
  • Low-input voltage, fixed 5V boost converter
  • Passes Class 4 CISPR 25 radiated emissions
  • Passes Class 4 CISPR 25 conducted emissions
  • Maintains regulated 3.3V and 5V supplies through battery input voltages down to 4.3V
  • Able to survive load dump voltages up to 42V

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Design Files

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Parametrics
 TIDA-01428.1
(Output Voltage 1)
TIDA-01428.2
(Output Voltage 2)
Vin (Min) (V)4.34.3
Vin (Max) (V)4242
Vout (Nom) (V)3.35
Iout (Max) (A)1.024
Output Power (W)3.3.12
Isolated/Non-IsolatedNon-IsolatedNon-Isolated
Input TypeDCDC
TopologyBoost- Synchronous
Buck- Synchronous
Boost- Synchronous
Buck- Synchronous

TI Devices (6)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD17313Q2  30V, N ch NexFET MOSFET™, single SON2x2, 32mOhm  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
LM53601-Q1  3.5V to 36V, 1A Synchronous 2.1MHz Step-Down Converter for Automotive Applications  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
SN74LVC2G06-Q1  Automotive Catalog Dual Inverter Buffer/Driver with Open-Drain Output  Buffer/driver  Sample & Buy View Design Kits & Evaluation Modules
TCAN1042GV-Q1  Automotive Fault Protected CAN Transceiver With Flexible Data-Rate  Interface  Sample & Buy View Design Kits & Evaluation Modules
TMS320F28030  Piccolo™ 32-bit MCU with 60 MHz, 32 KB Flash  Microcontrollers (MCU)  Sample & Buy View Design Kits & Evaluation Modules
TPS61240-Q1  Automotive 2.3V to 5.5V Input Range, 3.5 MHz Fixed Frequency 450mA Boost Converter  Step-up (boost)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD17313Q2 WSON (DQK)| 6 Download -
LM53601-Q1 Download Download
SN74LVC2G06-Q1 Download Download
TCAN1042GV-Q1 Download Download
Download Download
TMS320F28030 Download
Download Download
Download Download
TPS61240-Q1 Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 7971 06 Jul 2017
Design files (6)
Title Type Size (KB) Date
ZIP 557 05 Jul 2017
ZIP 1217 05 Jul 2017
PDF 1019 05 Jul 2017
PDF 213 05 Jul 2017
PDF 67 05 Jul 2017
PDF 394 05 Jul 2017

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