参数资料
型号: MC33385
厂商: 飞思卡尔半导体(中国)有限公司
英文描述: QUAD LOW SIDE DRIVER(四低端驱动器)
中文描述: 四路,低侧驱动器(四低端驱动器)
文件页数: 1/11页
文件大小: 369K
代理商: MC33385
Motorola,Inc 1999
Rev 5.1
Automotive Quad
Low Side Driver
MOTOROLA
SEMICONDUCTOR
QUAD LOW SIDE DRIVER
Simplified Block Diagram
ON1
V
ref
I-SCB filter
t-ISCB
ON1
I-OL filter
t-IOL
NON1
VCC
VCC
VCC
IRES
Failure
Register
(FR)
FR Reset
RES
URES
RShift
IRES
TRIGGER
RES
URES
DRIVER
Charge Pump
dv/dt control
RES
Reset
URES
Under Voltage
Reset
OSC
Oscillator
NON1
NON2
NON3
NON4
CLK
SDI
NCS
SDO
OUT1
OUT2
OUT3
OUT4
VCC
SCG filter
t-SCG
S
R
PIN ASSIGNMENT
GND2
OUT2
N.C
NON2
SDI
CLK
NCS
NON4
OUT4
GND4
GND1
OUT1
N.C
NON1
SDO
NRES
VCC
NON3
OUT3
GND3
Over-temp. detection
1
2
3
5
4
6
7
8
9
10
1
2
3
5
4
6
7
8
9
20
1
1
1
1
1
1
1
1
1
21
21
Heat sink
ORDERING INFORMATION
Device
Temperature
Range
-40
°
C to +125
°
C
Package
HSOP20
MC33385DH
SEMICONDUCTOR
TECHNICAL DATA
DH SUFFIX
HSOP20 PACKAGE
The MC33385 is a Quad Low Side Driver fully protected switch. This
device is a general purpose Low Side Driver but has been especially
designed to operate in engine management application as injector
driver or automotive gear box. It is interfaced directly with a
microcontroller for parallel control of the load and the individual output
diagnostic is done through a SPI. The diagnostic logic recognizes 4
failure types at each output stage the overcurrent, the short to GND, the
openload and the over-temperature.
RDSON of 250m
per Output at 25
°
C
Supplied from the main 5V Vcc
Input CMOS Compatible
Diagnostic through SPI
Nominal Current of 2A per Output
Current Limitation at 3A with Automatic Turn Off
Output Internally Clamped at 50V typ for Inductive Load Drive
Junction to Case Thermal Resistance of 4.4
°
C/W
Individual Output over Temperature Shutdown
F
For More Information On This Product,
Go to: www.freescale.com
n
.
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