33880 Overview
Freescale Semiconductor Advance Information Document Number: MC33880 Rev. 5.0, 6/2007 Configurable Octal Serial Switch with Serial Peripheral Interface I/O * This document contains certain information on a new product. Specifications and information herein are subject to change without notice. © Freescale Semiconductor, Inc., 2007. All rights reserved. INTERNAL BLOCK DIAGRAM INTERNAL BLOCK DIAGRAM VDD __ CS SCLK DI DO OV, POR, SLEEP ~50 µA VPWR Overvoltage Shutdown / POR Sleep State Internal Bias Charge Pump GND EN ~50 µA SPI and Interface Logic SPI Bit 0 Typical of All 8 Output Drivers ~50 µA Enable SPI Bit 4 Gate Drive Control ~50 µA IN5 + – + –
33880 Key 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 patible
- 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
33880 Applications
- Designed to Operate 5.5 V < VPWR < 24.5 V
- 8-Bit SPI for Control and Fault Reporting, 3.3 V/ 5.0 V patible
- Outputs Are Current Limited (0.8 A to 2.0 A) to Drive Incandescent Lamps