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Freescale Semiconductor Electronic Components Datasheet

MCZ33880 Datasheet

Configurable Octal Serial Switch

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MCZ33880 pdf
Freescale Semiconductor
Advance Information
Document Number: MC33880
Rev. 5.0, 6/2007
Configurable Octal Serial Switch
with Serial Peripheral Interface
I/O
33880
The 33880 device is an eight-output hardware-configurable high-
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.
The 33880 controls various inductive or incandescent loads by
directly interfacing with a microcontroller.
The circuit's innovative monitoring and protection features include
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
www.DataSheet4U.com
• Designed to Operate 5.5 V < VPWR < 24.5 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
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 at 25°C Typical
• 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
Performance
• Pb-Free Packaging Designated by Suffix Code EG and EW
HIGH/LOW-SIDE SWITCH
DW SUFFIX
EG SUFFIX (PB-FREE)
98ASB42345B
28-PIN SOICW
DWB SUFFIX
EW SUFFIX (PB-FREE)
98ARH99137A
32-PIN SOICW
ORDERING INFORMATION
Device
MC33880DW/R2
MCZ33880EG/R2
MC33880DWB/R2
MCZ33880EW/R2
Temperature
Range (TA)
Package
-40°C to 125°C
28 SOICW
32 SOICW
V PWR 33880
5.0 V
5.0 V
MCU
SPI I/O
PWM
VPWR
VDD
EN
CS
SCLK
DI
DO
IN5
IN6
GND
D1
D2
D3
D4
D5
D6
D7
D8
S1
S2
S3
S4
S5
S6
S7
S8
VS
High-Side
MOT H-Bridge
Low-Side
All Output Switches are High- or Low-Side Configurable
Figure 1. 33880 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.


Freescale Semiconductor Electronic Components Datasheet

MCZ33880 Datasheet

Configurable Octal Serial Switch

No Preview Available !

MCZ33880 pdf
INTERNAL BLOCK DIAGRAM
INTERNAL BLOCK DIAGRAM
VDD
__
CS
SCLK
DI
DO
EN
IN5
IN6
~50 µA
~50 µA
~50 µA
~50 µA
SPI and
Interface
Logic
SPI Bit 0
Enable
SPI Bit 4
IN5
Internal
Bias
VPWR
Charge
Pump
Overvoltage
Shutdown / POR
Sleep State
GND
OV, POR, SLEEP
Typical of All 8 Output Drivers
TLIM
Gate
Drive
Control
Current
Limit
+
+
+_
Open/Short Comparator ~1.5 V Open/Short Threshold
Open
Load
Detect
Current
~650 µA
TLIM
Gate
Drive
Control
Current
Limit
+
+
+_
Open/Short Comparator ~1.5 V Open/Short Threshold
Open
Load
Detect
Current
~650 µA
D1
D2
D3 Drain
D4 Outputs
D7
D8
S1
S2
S3
S4
S7
Source
Outputs
S8
D5 Drain
D6 Outputs
S5 Source
S6 Outputs
Figure 2. 33880 Simplified Internal Block Diagram
33880
2
Analog Integrated Circuit Device Data
Freescale Semiconductor


Part Number MCZ33880
Description Configurable Octal Serial Switch
Maker Freescale Semiconductor
Total Page 25 Pages
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