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TIPA-050061

C2000™ discrete power supply reference design

TIPA-050061

Overview

This discrete power reference design is to be used as a guide for the C2000™ power tree for automotive applications.

Features
  • Outlines the discrete power tree design needed to support the C2000™ MCUs
  • Systematic capability up to ASIL-D
  • Adapt to changing system requirements
    • Removing power rail
    • Adjusting power domain accuracy
    • Decreasing power consumption
    • Maximizing ADC performance with voltage reference
    • Optimizing cost and multisource
    • Tailoring to system voltage monitor requirements
Automotive powertrain, zonal & chassis control MCUs
F29H859TU-Q1 — Automotive C2000™ 64-bit MCU with C29x 200MHz tri-core, lockstep, functional safety compliance, 4MB TMS320F2800157-Q1 — Automotive C2000™ 32-bit MCU 120-MHz 256-KB flash with HRPWM, CAN-FD, lockstep ASIL B, grade 0 and 1 TMS320F280039-Q1 — Automotive C2000™ 32-bit MCU 120-MHz 384-KB flash, FPU, TMU with CLA, AES and CAN-FD TMS320F280049-Q1 — Automotive C2000™ 32-bit MCU with 100 MHz, FPU, TMU, 256 KB flash, CLA, PGAs, SDFM TMS320F28P659DK-Q1 — C2000™ 32-bit MCU, 2x C28x+CLA CPU, Lock Step, 1.28-MB flash, 16-b ADC, HRPWM, CAN-FD, AES

 

DC/DC converters
LMR60406-Q1 — Automotive 36V, 600mA synchronous buck converter with low Iq, high-efficiency and minimized cout LMR60410-Q1 — Automotive, 36V, 1A synchronous buck converter with low Iq and high-efficiency with minimized cout

 

Linear & low-dropout (LDO) regulators
TPS7A21-Q1 — Automotive, 500mA, low-noise ultra-low-IQ high-PSRR low-dropout (LDO) voltage regulator TPS7N41-Q1 — Automotive, 1A, low-noise low-IQ high-PSRR low-dropout (LDO) voltage regulator

 

Reset & watchdog ICs
TPS389C03-Q1 — Automotive, 3-channel, overvoltage and undervoltage I²C programmable supervisor with Q&A watchdog

 

Series voltage references
REF5030A-Q1 — Automotive, low-noise, very-low drift, precision 3-V series voltage reference

 

Shunt voltage references
LM4040-N-Q1 — Automotive, 100-ppm/°C precision micropower shunt voltage reference
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Design files

download C2000 Discrete Power Supply Reference Design
PDF | HTML
TIDUFJ7.PDF (298 KB)

Technical documentation

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Top documentation Type Title Format options Date
Design guide C2000 Discrete Power Supply Reference Design PDF | HTML Jun 30, 2026

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