MOTOROLA
Freescale Semiconductor, Inc.
SEMICONDUCTOR
MC33198
HIGH SIDE
TMOS DRIVER
SILICON MONOLITHIC
INTEGRATED CIRCUIT
Automotive High Side
TMOS Driver
The MC33198D is a high side TMOS driver, dedicated for automotive appli-
cations. It is used in conjunction with an external power MOSFET for high
side drive applications. The device can drive and protect a large variety of
MOSFET. The device has CMOS compatible input control, charge pump to
drive the MOSFET gate, fault detection circuitry based on programmable
Vds monitoring to detect shorted load. 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 in both on and off MOSFET state.
The device uses few external components and offers an economical solution
to large current high side switch. It also has PWM capability up to 1kHz.
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Designed for Automotive High Side Driver Application
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Works with a Wide Variety of N-Channel Power MOSFETs
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PWM Capability
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On Board Charge Pump Capable of Charging 25nF in less than 1ms
with No External Components Required
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Drive Inductive Load with No External Clamp Circuitry Required
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CMOS Logic Compatible Input Control
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TMOS Over Current and Short Circuit Protection
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Fault Output to Report an Over MOSFET Current Condition
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Output Status Available when MOSFET is On or Off
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Extended Temperature Range from -40擄 to 125擄
C
C
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Protected Against Automotive Transients with few External
Components
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Over Voltage and Under Voltage Shutdown
Freescale Semiconductor, Inc...
PIN ASSIGNMENT
SRC
DRN
GND
GATE
1
8
7
6
TIMER
INPUT
STATUS
VCC
2
3
4
5
ORDERING INFORMATION
Device
Temperature
Range
Package
MC33198D
- 40擄 to+125擄
C
C
SO8
Block Diagram and Typical Application
VBAT
VCC
DRN
Rdrn
Over
Volt
Detect
Bias
Supply
Ref
Charge
Pump
80碌A
GATE
POWER
TMOS
Under
Volt
Detect
INPUT
+
5V
-
C1
100碌A
10碌A
Power
ON
-
LOGIC
C2
Vcc
+
15V
Rsrc
SRC
MCU
Rpu
10碌A
STATUS
+
C3
-
LOAD
GND
C
timer
TIMER
漏
Motorola,Inc 1999
For More Information On This Product,
Go to: www.freescale.com
Rev 1.1
MC33198D相關型號PDF文件下載
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