MC33999 Datasheet | Motorola Semiconductor

Freescale Semiconductor, Inc. MOTOROLA SEMICONDUCTOR TECHNICAL DATA Document order number: MC33999 Rev 1.0, 01/2004 Preliminary Information 16-Output Switch with SPI and PWM Control The 33999 is a 16-output low-side switch with a 24-bit serial input control. It is designed for a variety of applications including inductive, incandescent, and LED loads. The Serial Peripheral Interface (SPI) provides both input control and diagnostic readout. Eight parallel inputs are also provided for direct Pulse Width Modulation (PWM) control of eight dedicated outputs. Additionally, an output-programmable PWM input provides PWM of any bination of outputs. A dedicated reset input provides the ability to clear all internal registers and turn all outputs off. The 33999 directly interfaces with microcontrollers and is patible with both 3.3 V and 5.0 V CMOS logic levels. The 33999, in effect, serves as a bus expander and buffer with fault management Features that reduces the MCU’s fault management burden. Features - Designed to Operate 5.0 V < VPWR < 27 V - 24-Bit SPI for Control and Fault reporting, 3.3 V/5.0 V patible - Outputs Are Current Limited (0.9 A to 2.5 A) to Drive Incandescent Lamps - Output Voltage Clamp of +50 V During Inductive Switching - On/Off Control of Open Load Detect Current (LED Application) - VPWR Standby Current < 10 µA - RDS(ON) of 0.55 Ω at 25°C Typical - - - - - Independent Overtemperature Protection Output Selectable for PWM Control Output ON Short-to-VBAT and OFF Short-to-Ground/Open Detection 54-Pin Exposed Pad Package for Thermal Performance Pb-Free Packaging Designated by Suffix Code EK Simplified Application Diagram 33999 Simplified Application Diagram 33999 Simplified Application Diagram 3.3 V/5.0 V VPWR VBAT POWER DUAL OCTAL SERIAL SWITCH WITH SERIAL PERIPHERAL INTERFACE I/O Freescale Semiconductor, Inc... EK (Pb-FREE) SUFFIX CASE 1390-01 54-LEAD SOICW EXPOSED PAD ORDERING INFORMATION Device PC33999EK/R2 Temperature Range (TA)...