Portable POS

Products and reference designs

Portable POS

Block diagram

Overview

Our integrated circuits and reference designs will help jumpstart your handheld electronic fund transfer (EFT) transaction terminal project through a secure processor, a small and efficient battery management system and low-power wireless and wired interfaces according to your needs.

Design requirements:

Portable point-of-sale (POS) systems require:

  • Sitara ARM processors enable cryptography, secure boot, tamper protection, secure storage and more.
  • Low-power RF, RFID and NFC chipsets that allow contactless payment.
  • Highly-integrated PMICs to regulate core, memory and IO power and a small and efficient battery management system.
  • Stepper motor driver to control the thermal printer which prints the fiscal receipt.

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Block diagram

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Technical documentation

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Type Title Date
Analog Design Journal Li-ion battery-charger solutions for JEITA compliance 26 Feb 2010
Technical articles How semiconductor technologies are changing automotive lighting roadmaps 24 Oct 2019
Application note Buck boost charger with power path for Super Cap 15 Aug 2018
White paper Sitara AM438x processor: tamper protection 14 Aug 2017
User guide Powering the AM335x, AM437x, and AM438x with TPS65218D0 (Rev. B) 11 May 2020
User guide TPS65910Ax User's Guide for AM335x Processors (Rev. F) 11 Dec 2017
White paper Enabling modern retail and logistics automation 09 Jun 2021
Technical articles Untangling electric vehicle chargers – Getting started 07 Jul 2015
Technical articles Don’t power your FPGA like this! 03 Nov 2016
Technical articles How smart amps are bringing high-fidelity audio into the smart home 03 May 2021

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