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Galvanic isolated octal high side smart power solid state relay
  • active Active

The ISO8200B is a galvanic isolated 8-channel driver featuring a very low supply current. It contains 2 independent galvanic isolated voltage domains (Vccfor the Power stage and Vddfor the Digital stage). Additional embedded functions are: loss of GND protection, undervoltage shutdown with hysteresis, and reset function for immediate power output shutdown.

The IC is intended to drive any kind of load with one side connected to ground. Active channel current limitation combined with thermal shutdown, (independent for each channel), and automatic restart, protect the device against overload and short-circuit. In overload conditions, if junction temperature overtakes threshold, the channel involved is turned off and on again automatically after the IC temperature decreases below a reset threshold. If this condition causes case temperature to reach limit threshold TCR, the overloaded channel is turned off and it only restarts when case and junction temperature decrease down to the reset thresholds. Non-overloaded channels continue operating normally. An internal circuit provides an OR-wired not latched common FAULT indicator signaling the channel OVT. The FAULT pin is an open drain active low fault indication pin.

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Errata Sheet
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Key Features

  • Parallel input interface
  • Direct and synchronous control mode
  • High common mode transient immunity
  • Output current: 0.7 A per channel
  • Short-circuit protection
  • Channel overtemperature protection
  • Thermal independence of separate channels
  • Common output disable pin
  • Case overtemperature protection
  • Loss of GNDccand Vccprotection
  • Undervoltage shutdown with auto restart and hysteresis
  • Overvoltage protection (Vccclamping)
  • Very low supply current
  • Common fault open drain output
  • 5 V and 3.3 V TTL/CMOS compatible I/Os
  • Fast demagnetization of inductive loads
  • Reset function for IC outputs disable
  • ESD protection
  • IEC 61000-4-2, IEC 61000-4-4, IEC 61000-4-5 and IEC 61000-4-8 compliant

Design Resources


Technical Documentation

Product Specifications

Description Version Size
DS9322: Galvanic isolated octal high-side smart power solid state relay
9.0 1,899 KB

Application Notes

Description Version Size
AN4373: Galvanically-isolated 8 channel high-side driver based on the ISO8200B
1.0 1,117 KB

Presentations & Training Material


Description Version Size
Getting started with ISO8200B
215 KB

Related Tools and Software

Related Tools and Software

Part Number Description
STSW-IFP015 STSW-IFP015 application software setup
STEVAL-IFP015V2 ISO8200B High Side Driver - 8 Channels evaluation board
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STSW-PSD001 EEPROM Emulation and Data Record Storage Using PSD3200 Series
STSW-uPSD010 Sound Generation using the uPSD Sound Studio On uPSD32xx and Turbo uPSD33xx
STSW-uPSD011 High-End Meter Demonstration Board

Publications and Collaterals


Description Version Size
Intelligent power switches (IPS)
1,892 KB

Sample & Buy

Part Number Marketing StatusPackagePacking TypeAutomotive GradeOrder From STUnit Price (US$)*
@ 1000
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
ISO8200BActivePowerSO 36Tube_-3.507Distributor reported inventory date: 2015-05-22
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE201
ISO8200BTRActivePowerSO 36Tape And Reel_-3.507Distributor reported inventory date: 2015-05-22
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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