ISO808A, ISO808A-1
Datasheet
Galvanic isolated octal high-side power solid state relay with SPI interface for
high inductive loads
Features
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VCC(AMR) = 45 V
Wide process side op. range VCC = 9.2 to 36 V
RDS(on) = 0.125 Ω per channel (TYP)
Fast demagnetization of inductive loads VDEMAG(TYP) = VCC - 54 V
Per channel process side op. current
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ISO808A/ISO808AQ IOUT < 0.7 A
ISO808A-1/ISO808AQ-1 IOUT < 1 A
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Low process and logic sides supply current
Under-voltage shut down with auto restart and hysteresis
Logic side 5 V and 3.3 V TTL/CMOS and MCU compatible I/Os
Logic side SPI interface
Product status link
ISO808A
ISO808A-1
Common output enable/disable pin
Reset function for IC outputs disable
High common mode transient immunity
Short circuit protection on output channels
Product label
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ISO808A/ISO808AQ ILIM(MIN) = 0.7 A
ISO808A-1/ISO808AQ-1 ILIM(MIN) = 1 A
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Per-channel over-temperature protection with thermal independence of
separate channels
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Case over-temperature protection
Over-voltage protection (VCC clamping)
Loss of GND and VCC protections
Common fault open drain diagnostic
VCC Power Good open drain diagnostic for 24 V applications
Designed to meet IEC 61000-4-2, IEC 61000- 4-4, IEC 61000-4-5 and IEC
61000-4-8
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UL1577 and UL508 certified
PowerSO-36 and TFQFPN32 Package
Applications
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Programmable logic control
Industrial PC peripheral input/output
Numerical control machines
Drivers for all type of loads (resistive, capacitive, inductive)
DS14170 - Rev 2 - September 2023
www.st.com
For further information contact your local STMicroelectronics sales office.