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MCZ33999 Dataheets PDF



Part Number MCZ33999
Manufacturers Freescale Semiconductor
Logo Freescale Semiconductor
Description 16-Output Switch
Datasheet MCZ33999 DatasheetMCZ33999 Datasheet (PDF)

Freescale Semiconductor Advance Information Document Number: MC33999 Rev. 4.0, 4/2007 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 o.

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Freescale Semiconductor Advance Information Document Number: MC33999 Rev. 4.0, 4/2007 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 combination 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 compatible 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. 33999 POWER DUAL OCTAL SERIAL SWITCH WITH SERIAL PERIPHERAL INTERFACE I/O EK SUFFIX (PB-FREE) 98ASA10506D 54-PIN SOICW EXPOSED PAD Features ORDERING INFORMATION • Designed to Operate 5.0 V < VPWR < 27 V • 24-Bit SPI for Control and Fault reporting, 3.3 V/5.0 V Compatible Temperature Device Package • Outputs Are Current Limited (0.9 A to 2.5 A) to Drive Range (TA) Incandescent Lamps MC33999EK/R2 • Output Voltage Clamp of +50 V During Inductive Switching -40°C to 125°C 54 SOICW-EP MCZ33999EK/R2 • 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 www.DataSheet4U.com • 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 3.3 V/5.0 V VDD MCU SCLK CS MISO MOSI PWM RST SCLK CS SI SO PWM RST PWM0 PWM1 PWM6 PWM7 PWM8 PWM9 PWM14 PWM15 OUT0 OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 OUT8 OUT9 OUT10 OUT11 OUT12 OUT13 OUT14 OUT15 GND Solenoid/Relay VPWR VBAT 33999 VPWR SOPWR LED Lamp Figure 1. 33999 Simplified Application Diagram * 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 VPWR Overvoltage Detect OVD VDD RB SFPDB SFL CS SCLK SI SO CSI CSBI 8 OUT0 2 50 V OUT1– OUT 15: 3, 6, 7, 21, 22, 25, 26, 29, 30, 33, 34, 48, 49, 52, 53 VDD Voltage Regulator GE OT SF OF VDD Bias PWM 50 RST 47 CS 23 SCLK 20 SI 32 SO 35 SOPWR 5 PWM0 1 PWM1 4 PWM6 24 PWM7 27 PWM8 28 PWM9 31 PWM14 51 PWM15 54 10 µA 25 µA 10 µA Input Buffers 10 µA 10 µA Serial D/O Line Driver Gate Control To Gates 1 to 15 VRef Open Load Detect Enable ILIMIT 50 µA RS SPI Interface Logic Short and Open Circuit Detect Overtemperature Detect GND Pins: 10 – 18 37 – 40 42 – 45 PWM0 10 µA PWM1 10 µA PWM6 10 µA PWM7 10 µA PWM8 10 µA PWM9 10 µA PWM14 10 µA PWM15 10 µA From Detectors 1 to 15 Figure 2. 33999 Simplified Internal Block Diagram 33999 2 Analog Integrated Circuit Device Data Freescale Semiconductor PIN CONNECTIONS PIN CONNECTIONS PWM0 OUT0 OUT1 PWM1 SOPWR OUT2 OUT3 VPWR NC NC GND GND GND GND GND GND GND NC NC SCLK OUT4 OUT5 CS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 PWM15 OUT15 OUT14 PWM14 PWM OUT13 OUT12 RST PWM6 OUT6 OUT7 PWM7 NC NC GND GND GND NC GND GND GND NC NC SO OUT11 OUT10 SI PWM9 OUT9 OUT8 PWM8 Figure 3. 33999 Pin Connections Table 1. 33999 Pin Definitions A functional description of each pin can be found in the Functional Pin Description section beginning on page 10. Pin Number 1, 4, 24, 27, 28, 31, 51, 54 2, 3, 6, 7, 21, 22, 25, 26, 29, 30, 33, 34, 48, 49, 52, 53 5 8 9, 10, 18, 19, 36, 37, 41, 45, 46 11 –17, 38 – 40, 42 – 44 20 23 32 35 47 50 Pin Name PWM0, PWM1, PWM6 – PWM9, PWM14, PWM15 OUT0 – OUT15 Pin Function Input Formal Name PWMn Input Definition Parallel PWM control Input pins. Allows direct PWM control of eight outputs. Low-side driver outputs. Output Output 0 – Output 15 SOPWR Supply Battery Input No Connect Ground System Clock Chip Select Serial Input Serial Output Reset PWM Control Pin SOPWR VPWR NC GND SCLK CS SI SO RST PWM Power Input N/C Ground Input Input Input Output Input Input Power supply pin to the SO output driver. Battery supply input pin. These pins have no connection. Ground for logic, analog, and power output devices. System Clock for internal shift registers of the 33999. SPI control chip select input pin from MCU to 33999. Serial data input pin to the 33999. Serial data output pin. Active low reset input pin. PWM control input pin. Supports PWM on any combination of outputs. 33999 Analog Integrated Circuit Device Data Freescale Semiconductor 3 ELECTRICAL CHARACTERISTICS MAXIMUM RATINGS EL.


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