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Freescale Semiconductor Electronic Components Datasheet

MCZ33879 Datasheet

Configurable Octal Serial Switch

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MCZ33879 pdf
Freescale Semiconductor
Advance Information
Document Number: MC33879
Rev 6.0, 6/2007
Configurable Octal Serial Switch
with Open Load Detect Current
Disable
33879
33879A
The 33879 device is an 8-output hardware-configurable, high-side/
low-side switch with 16-bit serial input control. Two of the outputs may
be controlled directly via microprocessor for PWM applications. The
33879 incorporates SMARTMOS technology, with CMOS logic,
bipolar/MOS analog circuitry, and DMOS power MOSFETs. The 33879
controls various inductive, incandescent, or LED loads by directly
interfacing with a microcontroller. The circuit’s innovative monitoring
and protection features include very low standby currents, cascade
fault reporting, internal +45 V clamp voltage for low-side configuration,
-20 V high-side configuration, output-specific diagnostics, and
independent overtemperature protection.
HIGH SIDE/ LOW SIDE SWITCH
Features
• Designed to Operate 5.5 V < VPWR < 26.5 V
• 16-Bit SPI for Control and Fault Reporting, 3.3 V/5.0 V
Compatible
• Outputs Are Current Limited (0.6 A to 1.2 A) to Drive
Incandescent Lamps
• Output Voltage Clamp, +45 V (Low Side) and -20 V (High Side)
During Inductive Switching
• On/Off Control of Open Load Detect Current (LED Application)
• 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
• RDS(ON) of 0.75 at 25°C Typical
• Short Circuit Detect and Current Limit with Automatic Retry
• Independent Overtemperature Protection
• Pb-Free Packaging Designated by Suffix Code EK
DWB SUFFIX EXPOSED PAD
EK SUFFIX (PB-FREE)
98ARL10543D
32-PIN SOICW
ORDERING INFORMATION
Device
Temperature
Range (TA)
Package
MC33879EK/R2
MCZ33879EK/R2
MCZ33879AEK/R2
-40°C to 125°C
32 SOICW-EP
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MCU
A0
MOSI
SCLK
CS
MISO
PWM1
PWM2
VPWR
+5.0 V
33879
VDD VPWR
EN
DI
SCLK
CS
DO
D1
D2
D3
D4
S1
S2
S3
S4
IN5
D5
IN6 D6
D7
D8
S5
GND S6
S7
S8
VBAT
M
High-Side Drive
H-Bridge Configuration
VBAT VBAT
Low-Side Drive
Figure 1. 33879 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

MCZ33879 Datasheet

Configurable Octal Serial Switch

No Preview Available !

MCZ33879 pdf
DEVICE VARIATIONS
DEVICE VARIATIONS
Table 1. Device Variations (Optional Table)
Freescale Part No.
33879
33879A
VPWR Supply Voltage
-16 to 40V
-16 to 45V
Reference Location
6, 7, 13
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33879
2
Analog Integrated Circuit Device Data
Freescale Semiconductor


Part Number MCZ33879
Description Configurable Octal Serial Switch
Maker Freescale Semiconductor
Total Page 24 Pages
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