MCZ79076R2 FREESCALE [Freescale Semiconductor, Inc], MCZ79076R2 Datasheet

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MCZ79076R2

Manufacturer Part Number
MCZ79076R2
Description
Electronic Ignition Control Circuit
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
Freescale Semiconductor
Technical Data
© Freescale Semiconductor, Inc., 2007. All rights reserved.
Freescale Semiconductor, Inc. reserves the right to change the detail specifications,
as may be required, to permit improvements in the design of its products.
Electronic Ignition Control
Circuit
Darlington Transistor, provides an economical solution for
automotive ignition applications. The 79076 offers optimum
performance by providing closed loop operation of the Power
Darlington in controlling the ignition coil current.
Features
• Hall or Variable Reluctance Sensor Input
• Ignition Coil Voltage Internally Limited to 375 V
• Coil Current Limiting to 7.5 A
• Output On–Time (Dwell) Control
• Dwell Feedback Control to Sense Coil Variation
• Pb-Free Packaging Designated by Suffix Code EG
The 79076, in conjunction with an appropriate Freescale Power
Figure 1. 79076 Simplified Application Diagram
CURRENT SENSE
DWELL
POWER GROUND
VCC
SIGNAL GROUND
79076
REFERENCE/DWELL
DWELL CONTROL
BIAS VOLTAGE
RPM DETECT
MCZ79076EG/R2
REFERENCE
MC79076DW/R2
ELECTRONIC IGNITION CONTROL CIRCUIT
ADVANCE
BYPASS
Device
EST
ORDERING INFORMATION
EG (PB-FREE) SUFFIX
98ASB42567B
16-PIN SOIC
-30°C to 125°C
DW SUFFIX
79076
Temperature
Range (T
Document Number: 79076
A
)
Rev. 3.0, 3/2007
Package
16 SOIC

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MCZ79076R2 Summary of contents

Page 1

Freescale Semiconductor Technical Data Electronic Ignition Control Circuit The 79076, in conjunction with an appropriate Freescale Power Darlington Transistor, provides an economical solution for automotive ignition applications. The 79076 offers optimum performance by providing closed loop operation of the Power ...

Page 2

INTERNAL BLOCK DIAGRAM POWER GROUND CURRENT SENSE DWELL VCC SIGNAL GROUND Figure 2. 79076 Simplified Internal Block Diagram 79076 2 INTERNAL BLOCK DIAGRAM Output Reference Generator DWELL CONTROL RPM DETECT BYPASS Logic REFERENCE and EST Control BIAS VOLTAGE ADVANCE REFERENCE/DWELL ...

Page 3

Power Ground Current Sense Signal Ground Reference/Dwell Bias Voltage Analog Integrated Circuit Device Data Freescale Semiconductor PIN CONNECTIONS Dwell VCC Dwell Control 5 12 RPM Detect 6 11 Bypass ...

Page 4

ELECTRICAL CHARACTERISTICS MAXIMUM RATINGS Table 1. 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 ELECTRICAL RATINGS Supply Voltage Steady-State (1) Transient Conditions ...

Page 5

STATIC ELECTRICAL CHARACTERISTICS Table 2. Static Electrical Characteristics Characteristics noted under conditions values noted reflect the approximate parameter means at Characteristic INPUTS Advance Input Resistance ( Ref/Dwell = 1.0 V, Advance = 1.0 mA, EST = CC ...

Page 6

ELECTRICAL CHARACTERISTICS STATIC ELECTRICAL CHARACTERISTICS Table 2. Static Electrical Characteristics (continued) Characteristics noted under conditions values noted reflect the approximate parameter means at Characteristic (10) EST Threshold Voltage (Ref/Dwell = Advance = 1.0 V, Bypass = 3.0 V) Increasing Decreasing ...

Page 7

Table 2. Static Electrical Characteristics (continued) Characteristics noted under conditions values noted reflect the approximate parameter means at Characteristic (14) Ref/Dwell Threshold (Max Pump Advance = 3.0 V, EST = Bypass = 0 V, Dwell sinking ...

Page 8

ELECTRICAL CHARACTERISTICS STATIC ELECTRICAL CHARACTERISTICS Table 2. Static Electrical Characteristics (continued) Characteristics noted under conditions values noted reflect the approximate parameter means at Characteristic (27) Reference High/Un-Clamped sourcing 100 mA, Ref/Dwell = 3.0 V, ...

Page 9

Table 2. Static Electrical Characteristics (continued) Characteristics noted under conditions values noted reflect the approximate parameter means at Characteristic (27) RPM Detect Threshold Ref/Dwell = Advance = 3.0 V, EST = Bypass = ...

Page 10

TYPICAL APPLICATIONS 79076 10 TYPICAL APPLICATIONS Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 11

For the most current package revision, visit www.freescale.com and perform a keyword search using the “98A” listed below. Analog Integrated Circuit Device Data Freescale Semiconductor PACKAGING PACKAGE DIMENSIONS DW SUFFIX EG SUFFIX (PB-FREE) 16-PIN PLASTIC PACKAGE 98ASB42567B ISSUE F PACKAGING ...

Page 12

REVISION HISTORY REVISION DATE DESCRIPTION OF CHANGES • Implemented Revision History page 3/2007 3.0 • Converted to Freescale format • Added MCZ79076EG/R2 to the Ordering Information • Removed MCCF79076 and all corresponding references. 79076 12 REVISION HISTORY Analog Integrated Circuit ...

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How to Reach Us: Home Page: www.freescale.com Web Support: http://www.freescale.com/support USA/Europe or Locations Not Listed: Freescale Semiconductor, Inc. Technical Information Center, EL516 2100 East Elliot Road Tempe, Arizona 85284 +1-800-521-6274 or +1-480-768-2130 www.freescale.com/support Europe, Middle East, and Africa: Freescale Halbleiter ...

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