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Freescale Semiconductor Electronic Components Datasheet

MCZ33198 Datasheet

Automotive High-Side TMOS Driver

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MCZ33198 pdf
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Technical Data
Automotive High-Side TMOS
Driver
Document Number: MC33198
Rev. 2.0, 11/2006
33198
The MC33198 is a high-side TMOS driver, dedicated to automotive
applications. It is used in conjunction with an external power MOSFET
for high-side drive applications. The device can drive and protect a
HIGH-SIDE TMOS DRIVER
large variety of MOSFETs. The device has a CMOS compatible input
control, charge pump to drive the MOSFET gate, and fault detection
circuitry based on programmable VDS monitoring to detect shorted
loads. It also includes a programmable timer function to eliminate
undesired switch off due to in rush currents, and a status pin which
reports the output status of both on and off MOSFET states. The device
uses few external components and offers an economical solution to
large current high side switches. It also has PWM capability up to 1kHz.
Features
D SUFFIX
EF SUFFIX (PB-FREE)
98ASB42564B
8-PIN SOICN
• Designed for Automotive High Side Driver Application
• Works with a Wide Variety of N-Channel Power MOSFETs
• PWM Capability
ORDERING INFORMATION
• On Board Charge Pump Capable of Charging 25nF in less than 1ms
with No External Components Required
• Drive Inductive Load with No External Clamp Circuitry Required
• CMOS Logic Compatible Input Control
• TMOS Over Current and Short Circuit Protection
Device
MC33198D
MCZ33198EF/R2
Temperature
Range (TA)
-40°C to 125°C
Package
8 SOICN
• Fault Output to Report an MOSFET Overcurrent Condition
• Output Status Available when MOSFET is On or Off
• Extended Temperature Range from -40°C to 125°C
• Protected Against Automotive Transients with few External Components
• Overvoltage and Undervoltage Shutdown
• Pb-Free Packaging Designated by Suffix Code EF
MCU
5.0V
33198
VCC
DRN
INPUT
GATE
STATUS
SRC
TIMER
GND
V BAT
LOAD
Figure 1. 33198 Simplified Application Diagram
Freescale Semiconductor, Inc. reserves the right to change the detail specifications,
as may be required, to permit improvements in the design of its products.
© Freescale Semiconductor, Inc., 2007. All rights reserved.


Freescale Semiconductor Electronic Components Datasheet

MCZ33198 Datasheet

Automotive High-Side TMOS Driver

No Preview Available !

MCZ33198 pdf
INTERNAL BLOCK DIAGRAM
INTERNAL BLOCK DIAGRAM
5 VCC
MCU
Over
Volt
Detect
Bias
Supply
Ref
Charge
Pump
INPUT
5V
7
Rpu
6
STATUS
Under
Volt
Detect
Power
ON
100 µA
+
C1
-
LOGIC
+
C3
-
10µ A
-
C2
+
Vcc
10µA
3 GND
8 TIMER
Ctimer
VBAT
80 µA
DRN
2
Rdrn
GATE
4
POWER
TMOS
15V
SRC
1
Rsrc
LOAD
Figure 2. 33198 Simplified Internal Block Diagram and Typical Application
33198
2
Analog Integrated Circuit Device Data
Freescale Semiconductor


Part Number MCZ33198
Description Automotive High-Side TMOS Driver
Maker Freescale Semiconductor
Total Page 17 Pages
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