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Número de pieza | 33385 | |
Descripción | Quad Low-side Driver | |
Fabricantes | Freescale Semiconductor | |
Logotipo | ||
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Technical Data
Document Number: MC33385
Rev. 6.0, 11/2006
Quad Low-side Driver
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 applications 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: overcurrent, short to GND, open
load, and over-temperature.
33385
LOW-SIDE DRIVER
Features
• RDSON of 250mΩ 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
• Pb-Free Packaging Designated by Suffix Code VW
DH SUFFIX
VW SUFFIX (PB-FREE)
98ASH70702A
20-PIN HSOP
ORDERING INFORMATION
Device
MC33385DH/R2
MC33385VW/R2
Temperature
Range (TA)
-40°C to 125°C
Package
20 HSOP
VPWR
Voltage
Regulator
MCU
33385
VCC
NCS
CLK
SDI
SDO
NRE
NON1
NON2
NON3
NON4
OUT1
OUT2
OUT3
OUT4
GND1-4
Figure 1. MC33385 Simplified Application Diagram
There are no disclaimers required on the Final publication of a data sheet.
© Freescale Semiconductor, Inc., 2007. All rights reserved.
1 page ELECTRICAL CHARACTERISTICS
STATIC CHARACTERISTICS
STATIC CHARACTERISTICS
Table 3. Static Electrical Characteristics
Characteristics noted under conditions 7.0 V ≤ VSUP ≤ 18 V, -40°C ≤ TA ≤ 125°C, GND = 0 V unless otherwise noted. Typical
values noted reflect the approximate parameter means at TA = 25°C under nominal conditions unless otherwise noted.
Characteristic
Symbol Min Typ Max Unit
SUPPLY VOLTAGE
Supply Voltage Range
JUNCTION TEMPERATURE
Junction Temperature Continuous (Continuous)
Junction Temperature Dynamical (Time limited)
OUTPUT CURRENT
Output Current Range
RESET BEHAVIOUR
Reset Changeable (at NRES-Pin)
Undervoltage Reset (Independent of NRES)
Active for VCC = 0V to VCCPRO
UNDERVOLTAGE PROTECTION
Protection active for VCC =0V to VCCPRO
OVER TEMPERATURE
Temperature Detection Threshold
SUPPLY CURRENT
Standby Current (without load) (NON1...NON4 = High Level)
5.15V ≥ VCC
5.5V ≥ VCC
Operating Mode (For 5.15V ≥ VCC) (Iout 1...4) = 2A
∆ICC During Reverse Output Current
(IOUT = - 5A on one output)
VCC 4.5
TJ1 - 40
TJ2
IOUT
VCC
VCCRES
VCCRES
3.35
VCCPRO
TOFF
1.5
155
ICCSTB1
ICCSTB2
ICCOPM
∆ICC
5.5 V
150 °C
185 °C
ISCBMAX
5.5
3.95
Α
V
V
4.0 V
185 °C
6.0 mA
7.0 mA
17 mA
100 mA
50 mA
INPUTS (NONx, NCS, CLK, NRES, SDI)
Low Threshold
High Threshold
Hysteresis
Input Current (VIN = VCC)
Input Current (VCC >VRES & 0V<VIN < 0.9*VCC)
SERIAL DATA OUTPUT
High Output Level (ISDO = -2mA)
Low Output Level (ISDO = 3.2mA)
Tristate Leakage Current (NCS = HIGH, VSDO = 0V to VCC)
OUTPUTS (OUT 1...4)
Average Output Current
Output Peak Current
VINL
VINH
VHYST
IIN
IIN
-0.3
0.7*VCC
0.85
- 100
VSDOH
VSDOL
ISDOL
VCC - 0.4
- 10
IOUTA
IOUTP
2.5
ISCBMAX
0.2*VCC
VCC + 0.3
10
- 20
V
V
V
µA
µA
V
0.4 V
10 µA
A
A
Analog Integrated Circuit Device Data
Freescale Semiconductor
33385
5
5 Page ELECTRICAL CHARACTERISTICS
ELECTRICAL PERFORMANCE CURVES
350
- 40°C
300
250
200 25°C
150
100
125°C
50
0
0 0,5
1 1,5 2 2,5
Pulse-Duration (ms)
3
3,5
Figure 9. Max Clamp- Energy Specification
ELECTRICAL PERFORMANCE CURVES
4
3
2,75
2,50
2,25
2
1,75
1,50
1,25
1
-50
-25
VCC=5,5V
VCC=5,15V
0 25 50 75
T, TEMPERATURE (°C)
100 125
Figure 10. Standby Current versus Temperature
12,50
12,00
11,50
11,00
10,50
10,00
9,50
9,00
8,50
-50
VCC=5,15V
All outputs=2A
-25 0 25 50 75
T, TEMPERATURE (°C)
100 125
Figure 11. Operating Mode Current versus Temperature
380
375
370 VCC=5,5V
365
360
355 VCC=4,5V
350
345
340
-50
-25
0 25 50 75
T, TEMPERATURE (°C)
100 125
Figure 12. Low Threshold Input Voltage versus
Temperature
624
623
622
621
620
619
618
617
616
-50
-25
VCC=4,5V ou 5,5V
0 25 50 75
T, TEMPERATURE (°C)
100 125
Figure 13. High Threshold Input Voltage versus
Temperature
Analog Integrated Circuit Device Data
Freescale Semiconductor
33385
11
11 Page |
Páginas | Total 18 Páginas | |
PDF Descargar | [ Datasheet 33385.PDF ] |
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