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Freescale Semiconductor Electronic Components Datasheet

33882 Datasheet

Six-Output Low-Side Switch

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www.DFaretaeSshceeatl4eUS.ceommiconductor
Advance Information
Document Number: MC33882
Rev. 5.0, 10/2006
Six-Output Low-Side Switch
with SPI and Parallel Input
Control
33882
The 33882 is a smart six-output low-side switch able to control
system loads up to 1.0 A. The six outputs can be controlled via both
serial peripheral interface (SPI) and parallel input control, making the
device attractive for fault-tolerant system applications. There are two
additional 30 mA low-side switches with SPI diagnostic reporting
(with parallel input control only).
The 33882 is designed to interface directly with industry-standard
microcontrollers via SPI to control both inductive and incandescent
loads. Outputs are configured as open-drain power MOSFETs
incorporating internal dynamic clamping and current limiting. The
device has multiple monitoring and protection features, including low
standby current, fault status reporting, internal 52 V clamp on each
output, output-specific diagnostics, and protective shutdown. In
addition, it has a mode select pin affording a dual means of input
control.
Features
• Outputs Clamped for Switching Inductive Loads
• Very Low Operational Bias Currents (< 2.0 mA)
• CMOS Input Logic Compatible with 5.0 V Logic Levels
• Load Dump Robust (60 V Transient at VPWR on OUT0–OUT5)
• Daisy Chain Operation of Multiple Devices Possible
• Switch Outputs Can Be Paralleled for Higher Currents
• RDS(ON) of 0.4 per Output (25°C) at 13 V VPWR
• SPI Operation Guaranteed to 2.0 MHz
• Pb-Free Packaging Designated by Suffix Codes VW and EP
SIX-OUTPUT LOW-SIDE SWITCH
DH SUFFIX
VW SUFFIX (PB-FREE)
98ASH70329A
30-PIN HSOP
FC SUFFIX
EP SUFFIX (PB-FREE)
98ARH99032A
32-PIN QFN
ORDERING INFORMATION
Device
Temperature
Range (TA)
Package
MC33882DH/R2
MC33882VW/R2
MC33882FC/R2
MC33882EP/R2
-40°C to 125°C
30 HSOP
32 QFN
VDD VPWR
MCU
Optional Parallel
Control of
Outputs 0 through 7
33882
VPWR
VDD
CS
SCLK
SI
SO
IN0
IN1
IN2
IN3
IN4
IN5
IN6
OUT0
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
IN0 & IN1
IN2 & IN3
IN4 & IN5
MODE
GND
IN7
Optional Control
of Paired Outputs
High-Power
Outputs
Low-Power
LED
Outputs
Figure 1. 33882 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., 2006. All rights reserved.


Freescale Semiconductor Electronic Components Datasheet

33882 Datasheet

Six-Output Low-Side Switch

No Preview Available !

INTERNAL BLOCK DIAGRAM
INTERNAL BLOCK DIAGRAM
12 (SI)
3 (MODE)
18 (IN7)
29 (IN6)
27 (IN5)
24 (IN4)
28 (IN4 & IN5)
21 (IN3)
9 (IN2)
19 (IN2 & IN3)
6 (IN1)
4 (IN0)
2 (IN0 & IN1)
13 (SCLK)
14 (CS)
15 (SO)
1 (VPWR)
16 (VDD)
V DD
DQ DQ DQ DQ D Q DQ
CCCCCC
DQ DQ
CC
Overvoltage
Shutdown
Undervoltage Internal
Shutdown
Bias
On Open
Detect
Logic
Gate 7
OUT6
and OUT7
Unclamped
Gate 6
Low
Power
Gate 5
Gate 4
Gate 3
Gate 2
Gate 0
OUT1
to OUT5
High
Power
52 V
17 (OUT7)
30 (OUT6)
26 (OUT5)
23 (OUT4)
20 (OUT3)
10 (OUT2)
7 (OUT1)
5 (OUT0)
V DD
Serial In
01 23 45 6
SO Fault Latch/Shift Register
Gate 0
V REF
Output 0 Status
Output Status
1 through 7
7
I LIM
Serial Out
OFF/ON
Open
Load
Detect
GND (Heat Sink)
Tri-state
Shift
Enable
3.0 A
Load
Short
Detect
VOF (th)
3.0 V
I O(OFF)
40 µA
Note Pin numbers shown in this figure are applicable only to the 30-lead HSOP package.
Figure 2. 33882 Simplified Internal Block Diagram
33882
2
Analog Integrated Circuit Device Data
Freescale Semiconductor


Part Number 33882
Description Six-Output Low-Side Switch
Maker Freescale Semiconductor
Total Page 27 Pages
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