mc33880 Freescale Semiconductor, Inc, mc33880 Datasheet

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mc33880

Manufacturer Part Number
mc33880
Description
Configurable Octal Serial Switch With Serial Peripheral Interface I/o
Manufacturer
Freescale Semiconductor, Inc
Datasheet

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Freescale Semiconductor
Advance Information
* 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.
Configurable Octal Serial Switch
with Serial Peripheral Interface
I/O
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.
directly interfacing with a microcontroller.
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
The 33880 device is an eight-output hardware-configurable high-
The 33880 controls various inductive or incandescent loads by
The circuit's innovative monitoring and protection features include
• Designed to Operate 5.5 V < 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
• Output Voltage Clamp Is +45 V (Typical) (Low-Side Drive) and -
• Internal Reverse Battery Protection on V
• Loss of Ground or Supply Will Not Energize Loads or Damage IC
• Maximum 5.0 µA I
• R
• 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
• Pb-Free Packaging Designated by Suffix Code EG and EW
Incandescent Lamps
20 V (Typical) (High-Side Drive) During Inductive Switching
Performance
DS(ON)
of 0.55 Ω at 25°C Typical
PWR
Standby Current at 13 V V
PWR
5.0 V
MCU
Figure 1. 33880 Simplified Application Diagram
< 24.5 V
All Output Switches are High- or Low-Side Configurable
5.0 V
PWR
SPI I/O
PWM
V PWR
PWR
VPWR
VDD
EN
CS
SCLK
DI
DO
IN5
IN6
GND
up to 95°C
33880
D1
D2
D3
D4
D5
D6
D7
D8
S1
S2
S3
S4
S5
S6
S7
S8
MC33880DW/R2
MCZ33880EG/R2
MC33880DWB/R2
MCZ33880EW/R2
EG SUFFIX (PB-FREE)
V S
MOT
98ASB42345B
28-PIN SOICW
DW SUFFIX
Device
High-Side
Low-Side
ORDERING INFORMATION
HIGH/LOW-SIDE SWITCH
H-Bridge
33880
Document Number: MC33880
-40
Temperature
Range (T
°
C to 125
EW SUFFIX (PB-FREE)
98ARH99137A
32-PIN SOICW
DWB SUFFIX
A
Rev. 5.0, 6/2007
)
°
C
28 SOICW
32 SOICW
Package

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mc33880 Summary of contents

Page 1

... MOT S1 SCLK S2 SPI I IN5 S6 PWM IN6 S7 GND S8 All Output Switches are High- or Low-Side Configurable Document Number: MC33880 Rev. 5.0, 6/2007 33880 HIGH/LOW-SIDE SWITCH DWB SUFFIX EW SUFFIX (PB-FREE) 98ARH99137A 32-PIN SOICW ORDERING INFORMATION Temperature Device Package Range ( SOICW ° ° ...

Page 2

INTERNAL BLOCK DIAGRAM VDD ~50 µ SCLK DI DO SPI and EN Interface ~50 µA Logic SPI Bit 0 IN5 Enable ~50 µA SPI Bit 4 IN6 ~50 µA Figure 2. 33880 Simplified Internal Block Diagram 33880 2 ...

Page 3

Figure 3. 98ASB42345B SOICW 28-Pin Connections Table 1. SOICW 28-Pin Definitions Pin Pin Name Number 1 GND Digital ground. 2 VDD Logic supply voltage. Logic supply must be switched off for low current mode ( Output 8 ...

Page 4

PIN CONNECTIONS Figure 4. 98ARH99137A SOICW 32-Pin Connections Table 2. SOICW 32-Pin Definitions Pin Pin Name Number GND Digital ground. 24 VDD Logic supply voltage. Logic supply must be switched off for low current mode ...

Page 5

Table 3. Maximum Ratings All voltages are with respect to ground unless otherwise noted. Exceeding these ratings may cause a malfunction or permanent damage to the device. Ratings (1) VDD Supply Voltage (1) CS, DI, DO, SCLK, IN5, IN6, and ...

Page 6

ELECTRICAL CHARACTERISTICS STATIC ELECTRICAL CHARACTERISTICS STATIC ELECTRICAL CHARACTERISTICS Table 4. Static Electrical Characteristics Characteristics noted under conditions 4.75 V ≤ V noted. Typical values, where applicable, reflect the parameter’s approximate average value with V Characteristic POWER INPUT Supply Voltage Range ...

Page 7

Table 4. Static Electrical Characteristics (continued) Characteristics noted under conditions 4.75 V ≤ V noted. Typical values, where applicable, reflect the parameter’s approximate average value with V Characteristic DIGITAL INTERFACE (10) Input Logic Voltage Thresholds IN5, IN6, and EN Input ...

Page 8

ELECTRICAL CHARACTERISTICS DYNAMIC ELECTRICAL CHARACTERISTICS DYNAMIC ELECTRICAL CHARACTERISTICS Table 5. Dynamic Electrical Characteristics Characteristics noted under conditions 4.75 V ≤ V noted. Typical values, where applicable, reflect the parameter’s approximate average value with V Characteristic POWER OUTPUT TIMING (12) Output ...

Page 9

CS 0 LEAD 0.7 V SCLK DO(EN 33880 SCLK Under Test NOTE: C ...

Page 10

ELECTRICAL CHARACTERISTICS TIMING DIAGRAMS t R(DI) < 0 50% SCLK t DLY(LH) 0 (Low-to-High) r(DO) t VALID DO 0.7 V (High-to-Low DLY(HL) Figure 9. ...

Page 11

TYPICAL ELECTRICAL CHARACTERISTICS PWR 12 10 All Outputs ON 8 All Outputs OFF -40 - Ambient Temperature ( A, Figure 12. I vs. Temperature PWR ...

Page 12

ELECTRICAL CHARACTERISTICS TYPICAL ELECTRICAL CHARACTERISTICS 1 PWR High-Side Configuration 1.2 1.0 0.8 0.6 0.4 0.2 -40 - Ambient Temperature ( A, Figure 18. Open Load Detect Current vs. Temperature Figure 20. Sleep ...

Page 13

The 33880 is an eight-output hardware configurable power switch with 8-bit serial control. The 33880 incorporates SMARTMOS™ 5 technology with CMOS logic, bipolar/MOS analog circuitry, and independent double diffused DMOS power output transistors. Many benefits are realized as a direct ...

Page 14

FUNCTIONAL DESCRIPTION LOGIC POWER (VDD) The V pin supplies logic power to the 33880 device and DD is used for power-on reset (POR). To achieve low standby current on V supply, power must be removed from the PWR V pin. ...

Page 15

FUNCTIONAL DEVICE OPERATION MCU INTERFACE DESCRIPTION In operation, the 33880 functions as an eight-output serial switch serving as a microcontroller (MCU) bus expander and buffer, with fault management and fault reporting features. In doing so, the device directly relieves the ...

Page 16

FUNCTIONAL DEVICE OPERATION OPERATIONAL MODES 33880 16 Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 17

POWER CONSUMPTION The 33880 device has been designed with one sleep and one operational mode. In the sleep mode (V current consumed by the VPWR pin is less than 25 µA. To place the 33880 in the sleep mode, turn ...

Page 18

FUNCTIONAL DEVICE OPERATION OPERATIONAL MODES SHORTED LOAD FAULT A shorted load (overcurrent) fault can be caused by any output being shorted directly to supply or an output causing the device to current limit (linear short). There are two safety circuits ...

Page 19

On each SPI communication, an 8-bit command word is sent to the 33880 and an 8-bit fault word is received from the 33880. The Most Significant Bit (MSB) is sent and received first (see below). MSB OUT8 OUT7 OUT6 OUT5 ...

Page 20

PACKAGING PACKAGE DIMENSIONS For the most current package revision, visit www.freescale.com and perform a keyword search using “98ASB42345B”. 33880 20 PACKAGING PACKAGE DIMENSIONS DW SUFFIX EG SUFFIX (PB-FREE) 28-PIN PLASTIC PACKAGE 98ASB42345B REV G Analog Integrated Circuit Device Data Freescale ...

Page 21

Analog Integrated Circuit Device Data Freescale Semiconductor PACKAGE DIMENSIONS (CONTINUED) DW SUFFIX EG SUFFIX (PB-FREE) 28-PIN PLASTIC PACKAGE 98ASB42345B REV G PACKAGING PACKAGE DIMENSIONS 33880 21 ...

Page 22

PACKAGING PACKAGE DIMENSIONS 33880 22 PACKAGE DIMENSIONS (CONTINUED) DWB SUFFIX EW SUFFIX (PB-FREE) 32-PIN PLASTIC PACKAGE 98ASB42345B REV B Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 23

Analog Integrated Circuit Device Data Freescale Semiconductor PACKAGE DIMENSIONS (CONTINUED) DWB SUFFIX EW SUFFIX (PB-FREE) 32-PIN PLASTIC PACKAGE 98ASB42345B REV B PACKAGING PACKAGE DIMENSIONS 33880 23 ...

Page 24

... DESCRIPTION OF CHANGES • Implemented Revision History page 6/2006 4.0 • Converted to Freescale format and adjusted content to prevailing form and style • Removed MC33880EG/R2 and MC33880EK/R2 from the ordering information and added 6/2007 5.0 MCZ33880EG/R2 and MCZ33880EW/R2. • Added • Updated data sheet to current format. ...

Page 25

... Freescale Semiconductor Literature Distribution Center P.O. Box 5405 Denver, Colorado 80217 1-800-441-2447 or 303-675-2140 Fax: 303-675-2150 LDCForFreescaleSemiconductor@hibbertgroup.com MC33880 Rev. 5.0 6/2007 RoHS-compliant and/or Pb-free versions of Freescale products have the functionality and electrical characteristics of their non-RoHS-compliant and/or non-Pb-free counterparts. For further information, see http://www.freescale.com Freescale sales representative. For information on Freescale’ ...

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