ST Life.augmented


5 W low standby consumption battery charger demonstration board based on the VIPER17HN
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The STEVAL-ISA124V1 demonstration board is a 5 W SMPS for use as a travel battery charger for applications such as mobile phones, PDAs and electronic games.

The converter implements a flyback topology, which is ideal for low power, low cost isolated converters.

The purpose of the board is to demonstrate the performance of the VIPER17HN off-line high voltage converter.

Thanks to its low consumption and other features, the device offers good electrical performance.

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Data Brief

Key Features

  • Input mains range (VIN): 90 - 264 VRMS, f: 45 - 66 Hz
  • Output parameters: 5.1 VDC± 2%, 1 A ± 5%, cable drop compensation (0.2 V/A)
  • No-load consumption: input power below 100 mW at high mains
  • Short-circuit protected with auto-restart at short removal
  • PCB type and size: CEM-1, single side 35 mm, 53x26 mm
  • Safety: EN60065 compliant
  • EMI: conforms to EN55022 - class B standards
  • RoHS compliant


Design Resources


Technical Documentation

Product Specifications

Description Version Size
DB1934: 5 W low standby-consumption battery charger demonstration board based on the VIPER17HN
1.0 257 KB

Hardware Resources

Board Manufacturing Specification

Description Version Size
STEVAL-ISA124V1 gerber files
1.0 19 KB

Bill of Materials

Description Version Size
1.0 55 KB

Schematic Pack

Description Version Size
STEVAL-ISA124V1 schematics
1.0 65 KB

Sample & Buy

Part Number Marketing StatusCore ProductOrder From STUnit Price (US$)*
@ 1
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
STEVAL-ISA124V1ActiveVIPER17HNBuy Direct102.9Distributor reported inventory date: 2016-02-10
Distributor NameRegionStockMin. order

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
(**) The Material Declaration forms available on may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
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