STMicroelectronics Effektswitch IC, 36 Ben Hög sida Hög sida PowerSO-36

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RS-artikelnummer:
261-5068
Tillv. art.nr:
ISO808TR-1
Tillverkare / varumärke:
STMicroelectronics
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Varumärke

STMicroelectronics

Produkttyp

Effektswitch IC

Strömbrytartyp

Hög sida

Strömbrytartopologi

Hög sida

Motstånd vid påslagning RdsOn

0.26Ω

Antal utgångar

8

Kapseltyp

PowerSO-36

Maximal matningsspänning

36V

Antal ben

36

Driftström

1A

Standarder/godkännanden

RoHS

Fordonsstandard

Nej

COO (ursprungsland):
MY

Galvanic isolated octal high-side power solid state relay for high inductive loads


The STMicroelectronics ISO808 and ISO808-1, are galvanic isolated 8-channel drivers featuring a low supply current. Each driver contains 2 independent galvanic isolated voltage domains (VCC and VDD for the Process and Control Logic stages, respectively). The ICs are intended for driving any kind of load with one side connected to ground.

Active channel current limitation (OVL) combined with thermal shutdown (OVT), independent for each channel, protects the device against overload.

Built-in thermal shutdown protects each channel from overtemperature and overload: each overheated channel automatically turns OFF after its junction temperature triggers the protection threshold (TJSD). The channel turns back ON if its junction temperature decreases lower than restart threshold (TJR).

An additional case temperature sensor protects the whole chip against overtemperature (OVC event): if the case temperature triggers the TCSD threshold then overloaded channels are turned OFF and restart only when case temperature decreased down to the reset threshold (TCR). Non overloaded channels continue to operate normally.

Other embedded functions are loss of ground protection, VCC and VDD UVLOs (with hysteresis), and watchdog.

An internal circuit provides an OR-wired not latched OVT that is reported on the common FAULT indicator pin. FAULT is an open drain, active low, fault indication pin.

The Synchronous Control Mode (by driving SYNC and LOAD pins independently) is used to reduce the jittering of the outputs and to drive at the same time the outputs of different devices.

Key features


  • 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

    • ISO808 IOUT < 0.7 A

    ISO808-1 IOUT < 1 A

  • 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

  • Common output enable/disable pin

  • Reset function for IC outputs disable

  • High common mode transient immunity

  • Short circuit protection on output channels

    • ISO808 ILIM(MIN) = 0.7 A

    ISO808 ILIM(MIN) = 1 A

  • Per-channel over-temperature protection with thermal independence of separate channels

  • Case over-temperature protection

  • Over-voltage protection (VCC clamping)

  • Loss of GND and VCC protections

  • Common fault open drain diagnostic

  • Designed to meet IEC 61000-4-2, IEC 61000- 4-4, IEC 61000-4-5 and IEC 61000-4-8

  • UL1577 and UL508 certified

  • PowerSO-36 Package

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