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Motorola Electronic Components Datasheet

MC33198 Datasheet

Automotive High Side TMOS Driver

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Freescale Semiconductor, Inc.
MOTOROLA
SEMICONDUCTOR
MC33198
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.
Designed for Automotive High Side Driver Application
Works with a Wide Variety of N-Channel Power MOSFETs
PWM Capability
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
Fault Output to Report an Over MOSFET Current 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
Over Voltage and Under Voltage Shutdown
HIGH SIDE
TMOS DRIVER
SILICON MONOLITHIC
INTEGRATED CIRCUIT
PIN ASSIGNMENT
SRC 1
DRN 2
GND 3
GATE 4
8 TIMER
7 INPUT
6 STATUS
5 VCC
ORDERING INFORMATION
Device
MC33198D
Temperature
Range
- 40°C to+125°C
Package
SO8
MCU
INPUT
5V
Rpu
STATUS
Block Diagram and Typical Application
VCC
Over
Volt
Detect
Bias
Supply
Ref
Charge
Pump
Under
Volt
Detect
Power
ON
100µA
+
C1
-
LOGIC
10µA
-
C2
+
Vcc
+
C3
-
10µA
80µA
15V
DRN Rdrn
GATE
SRC Rsrc
VBAT
POWER
TMOS
LOAD
GND
C timer
TIMER
For More Information On T©hMisotoProrloa,dInuc 1c9t9,9
Go to: www.freescale.com
Rev 1.1


Motorola Electronic Components Datasheet

MC33198 Datasheet

Automotive High Side TMOS Driver

No Preview Available !

MAXIMUM RATINGS
Ratings
MC33198
Freescale Semiconductor, Inc.
Symbol
Value
Unit
ELECTRICAL RATINGS
Power Supply Voltage (Pin 5)
TMOS Source Voltage (Pin 1)
Comparator Threshold (Pin 2)
Gate Output Voltage (Pin 4)
Input Voltage (Pin 7)
Status (Pin 6)
ESD Voltage Capability
THERMAL RATINGS
Storage Temperature
Operating Junction Temperature
Thermal Resistance J/A
Vcc
Vsrc
Vdrn
Vgate
Vin
Vst
V(ESD)
- 0,6 to 60
- 0,6 to 60
- 0,6 to 60
- 0,6 to 25
- 0,6 to 25
- 0,6 to 10
+/-2000
Tstg
Tj
Rj
-55 to +150
-40 to +150
145
V
V
V
V
V
V
V
°C
°C
°C
ELECTRICAL CHARACTERISTICS. Tamb from - 40°C to +125°C, Vcc from 7V to 20V, unless otherwise note.Typical values reflect approximate
mean at 25°C, nominal VCC, at time of device characterization.
Parameters
Symbol
Min
Typ
Max
Unit
SRC Pin 1
Leakage Current
Ilsrc -10
10 µA
DRN Pin 2
Threshold Current
Ithr 54 81 102 uA
DRN Leakage, Input Off, Vcc Pin Open
Ileak
10 µA
GATE Pin 4
Output On Voltage at 1ms (Charge Pump ON)
Von
Vcc + 7
Vcc+15
V
Turn Off Current
- with NO Over Vds condition and Vout >0.5V
Ioutn
70
110 150 µA
- with Over Vds condition and Vout >0.5V
Ioutw
5
10 15 µA
Output Off Voltage.
(Charge Pump OFF and Vcc Pin Open)
Voff
0
V
0.9
Gate Discharge Current. (Vcc Pin Open)
Ioff
5 µA
Turn On Time
- Cl = 25nF ; 7V < Vcc < 10V ; Vout > Vcc+7
- Cl = 25nF ; 10V < Vcc < 20V ; Vout > Vcc+10
ton
ms
1
1
VCC Pin 5
Supply Voltage Range
Vcc 7
20 V
Quiescent Supply Current ; In = 0V
- at Vcc = 7V
- at Vcc = 20V
Iccq
mA
1.8 4
2.8 6
Supply Current ; In = 5V
Icc 1
35 mA
Over Voltage Threshold
Under Voltage Threshold
Vov 22 28 34 V
Vur 6 7 V
MC33198
For More InformMaOtiToOnROOnLAThis Product,
Go to: www.freescale.com
2


Part Number MC33198
Description Automotive High Side TMOS Driver
Maker Motorola
PDF Download

MC33198 Datasheet PDF






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