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The 33880 device is an eight-output hardware-configurable high side/low-side switch with 8-bit serial input control. Two of the outputs can be controlled directly via microcontroller for Pulse Width Modulation (PWM) applications.

The 33880 controls various inductive or incandescent loads by directly interfacing with a microcontroller.

The circuits innovative monitoring and protection features include very low standby currents, “cascadable” fault reporting, internal 40 V output clamping for low-side configurations, internal -20 V output clamping for high-side configurations, output-specific diagnostics, and independent shutdown of outputs.

Features

? Designed to Operate 5.5 V < VPWR < 24.5 V

? 8-Bit SPI for Control and Fault Reporting, 3.3 V/5.0 V Compatible

? Outputs Are Current Limited (0.8 A to 2.0 A) to Drive Incandescent Lamps

? Output Voltage Clamp Is +45 V (Typical) (Low-Side Drive) and - 20 V (Typical) (High-Side Drive) During Inductive Switching

? Internal Reverse Battery Protection on VPWR

? Loss of Ground or Supply Will Not Energize Loads or Damage IC

? Maximum 5.0 μA IPWR Standby Current at 13 V VPWR up to 95°C

? RDS(ON) of 0.55 Ω at 25°C Typical

? Short Circuit Detect and Current Limit with Automatic Retry

? Independent Overtemperature Protection

? 32-Pin SOICW Has Pins 8, 9, 24, and 25 Grounded for Thermal Performance

? Pb-Free Packaging Designated by Suffix Code EG and EW