33879A Description
Freescale Semiconductor Advance Information Document Number: MC33879 Rev 6.0, 6/2007 Configurable Octal Serial Switch with Open Load Detect Current Disable The 33879 device is an 8-output hardware-configurable, high-side / low-side switch with 16-bit serial input control. Two of the outputs may be controlled directly via microprocessor for PWM applications.
33879A Key Features
- 20 V high-side configuration, output-specific diagnostics, and independent overtemperature protection. Features
- Designed to Operate 5.5 V < VPWR < 26.5 V
- 16-Bit SPI for Control and Fault Reporting, 3.3 V / 5.0 V patible
- Outputs Are Current Limited (0.6 A to 1.2 A) to Drive Incandescent Lamps
- Output Voltage Clamp, + 45 V (Low Side) and
- 20 V (High Side) During Inductive Switching
- On/Off Control of Open Load Detect Current (LED Application)
- 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
33879A Applications
- 20 V high-side configuration, output-specific diagnostics, and independent overtemperature protection. Features
- Designed to Operate 5.5 V < VPWR < 26.5 V
- 16-Bit SPI for Control and Fault Reporting, 3.3 V / 5.0 V patible
- Outputs Are Current Limited (0.6 A to 1.2 A) to Drive Incandescent Lamps