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33874 Schematic ( PDF Datasheet ) - Freescale Semiconductor

Teilenummer 33874
Beschreibung Quad High-Side Switch
Hersteller Freescale Semiconductor
Logo Freescale Semiconductor Logo 




Gesamt 30 Seiten
33874 Datasheet, Funktion
Freescale Semiconductor
Advance Information
Document Number: MC33874
Rev. 8.0, 4/2007
Quad High-Side Switch
(Quad 35 m)
33874
The 33874 is one in a family of devices designed for low-voltage
automotive and industrial lighting and motor control applications. Its
four low RDS(ON) MOSFETs (four 35 m) can control the high sides
of four separate resistive or inductive loads.
Programming, control, and diagnostics are accomplished using a
16-bit SPI interface. Additionally, each output has its own parallel
input for pulse-width modulation (PWM) control if desired. The 33874
allows the user to program via the SPI the fault current trip levels and
duration of acceptable lamp inrush or motor stall intervals. Such
programmability allows tight control of fault currents and can protect
wiring harnesses and circuit boards as well as loads.
HIGH-SIDE SWITCH
The 33874 is packaged in a power-enhanced 12x 12 nonleaded
Power QFN package with exposed tabs.
Features
www.DataSheet4U.com
• Quad 35 mHigh-Side Switches (at 25°C)
• Operating Voltage Range of 6.0 V to 27 V with Standby Current
< 5.0 µA
• SPI Control of Overcurrent Limit, Overcurrent Fault Blanking
Time, Output OFF Open Load Detection, Output ON/OFF
Control, Watchdog Timeout, Slew Rates, and Fault Status
Reporting
• SPI Status Reporting of Overcurrent, Open and Shorted Loads,
Overtemperature, Undervoltage and Overvoltage Shutdown,
Fail-Safe Pin Status, and Program Status
• Analog Current Feedback with Selectable Ratio
• Analog Board Temperature Feedback
• Enhanced -16 V Reverse Polarity VPWR Protection
• Pb-Free Packaging Designated by Suffix Code PNA
PNA SUFFIX (PB_FREE)
98ARL10596D
24-PIN PQFN (12 x 12)
ORDERING INFORMATION
Device
MC33874BPNA/R2
Temperature
Range (TA)
-40°C to 125°C
Package
24 PQFN
VDD
VDD VPWR
VDD
VPWR
33874
VDD VPWR
SO
SCLK
CS
SI
I/O
MCU
I/O
I/O
I/O
I/O
I/O
A/D
GND A/D
WAKE
SI
SCLK
CS
SO
RST
FS
IN0
IN1
IN2
IN3
CSNS
TEMP
FSI
GND
HS0
HS1
HS2
HS3
LOAD 0
LOAD 1
LOAD 2
LOAD 3
Figure 1. 33874 Simplified Application Diagram
* This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
© Freescale Semiconductor, Inc., 2006. All rights reserved.






33874 Datasheet, Funktion
ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 3. Static Electrical Characteristics
Characteristics noted under conditions 6.0 V VPWR 27 V, 4.5 V VDD 5.5 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
POWER INPUT (VPWR, VDD)
Battery Supply Voltage Range
Fully Operational
VPWR
V
6.0 – 27
VPWR Operating Supply Current
Outputs ON, HS[0:3] open
IPWR(ON)
mA
– 20
VPWR Supply Current
IPWR(SBY)
mA
Outputs OFF, Open Load Detection Disabled, WAKE > 0.7 VDD,
RST = VLOGIC HIGH
– – 5.0
Sleep State Supply Current (VPWR = 14V, RST < 0.5 V, WAKE < 0.5 V) IPWR(SLEEP)
µA
TA = 25°C
– 1.0 10
TA = 85°C
– – 50
VDD Supply Voltage
VDD(ON) 4.5 5.0 5.5
V
VDD Supply Current
IDD(ON)
mA
No SPI Communication
– – 1.0
3.0 MHz SPI Communication (7)
– – 5.0
VDD Sleep State Current
Overvoltage Shutdown Threshold
Overvoltage Shutdown Hysteresis
Undervoltage Shutdown Threshold (8)
Undervoltage Hysteresis (9)
Undervoltage Power-ON Reset
IDDSLEEP
VOV
VOVHYS
VUV
VUVHYS
VUVPOR
28
0.2
4.75
32
0.8
5.25
0.25
5.0
36
1.5
5.75
4.75
µA
V
V
V
V
V
Notes
7. Not guaranteed in production.
8. The undervoltage fault condition is reported to SPI register as long as the external VDD supply is within specification and the VPWR
voltage level does not go below the undervoltage Power-ON Reset threshold.
9. This applies when the undervoltage fault is not latched (IN = [0:3]).
33874
6
Analog Integrated Circuit Device Data
Freescale Semiconductor

6 Page









33874 pdf, datenblatt
ELECTRICAL CHARACTERISTICS
TIMING DIAGRAMS
TIMING DIAGRAMS
CS
VPVWPWRR-VV0-PP.05WW.5RVRV
VPWVPRW-3R.5- 3VV
00.5.5V V
tDLY(ON)
SRRB_SLOW & SRRB
SRRA_SLOW & SRRA_FAST
t
SRFB_SLOW & SRFB_FAST
SRFA_SLOW & SRFA_FAST
tDLY_SLOW(OFF) & tDLY_FAST(OFF)
Figure 4. Output Slew Rate and Time Delays
IOCHx
Load
Current
IOCLx
t OCLx
t OCH
Figure 5. Overcurrent Shutdown
Time
33874
12
Analog Integrated Circuit Device Data
Freescale Semiconductor

12 Page





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