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부품번호 33874 기능
기능 Quad High-Side Switch
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33874 데이터시트, 핀배열, 회로
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 pdf, 반도체, 판매, 대치품
PIN CONNECTIONS
Table 1. 33874 Pin Definitions (continued)
A functional description of each pin can be found in the Functional Pin Description section beginning on page 15.
Pin
Number
Pin Name
Pin
Function
Formal Name
Definition
14, 17, 23
15
GND
VPWR
16 SO
18 HS3
19 HS1
21 HS0
22 HS2
20 NC
24 FSI
Ground
Power
Output
Output
Ground
These pins are the ground for the logic and analog circuitry of the device.
Positive Power Supply This pin connects to the positive power supply and is the source of operational
power for the device.
Serial Output
This output pin is connected to the SPI Serial Data Input pin of the MCU or to
the SI pin of the next device of a daisy-chain of devices.
High-Side Outputs Protected 35 mhigh-side power output pins to the load.
N/A
Input
No Connect
Fail-Safe Input
This pin may not be connected.
The value of the resistance connected between this pin and ground
determines the state of the outputs after a Watchdog timeout occurs.
33874
4
Analog Integrated Circuit Device Data
Freescale Semiconductor

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33874 전자부품, 판매, 대치품
ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 3. Static Electrical Characteristics (continued)
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
OUTPUTS (HS0, HS1, HS2, HS3)
Output Drain-to-Source ON Resistance (IHS = 5.0 A, TA = 25°C)
VPWR = 6.0 V
VPWR = 10 V
VPWR = 13 V
Output Drain-to-Source ON Resistance (IHS = 5.0 A, TA = 150°C)
VPWR = 6.0 V
VPWR = 10 V
VPWR = 13 V
Output Source-to-Drain ON Resistance (10)
IHS = 1.0 A, TA = 25°C, VPWR = -12 V
Output Overcurrent High Detection Levels (9.0 V < VPWR < 16 V)
SOCH = 0
SOCH = 1
Overcurrent Low Detection Levels (9.0 V < VPWR < 16 V)
SOCL[2:0] : 000
SOCL[2:0] : 001
SOCL[2:0] : 010
SOCL[2:0] : 011
SOCL[2:0] : 100
SOCL[2:0] : 101
SOCL[2:0] : 110
SOCL[2:0] : 111
Current Sense Ratio (9.0 V < VPWR < 16 V, CSNS < 4.5 V)
DICR D2 = 0
DICR D2 = 1
Current Sense Ratio (CSR0) Accuracy
Output Current
2.0 A to 10 A
RDS(ON)
RDS(ON)
RSD(ON)
IOCH0
IOCH1
IOCL0
IOCL1
IOCL2
IOCL3
IOCL4
IOCL5
IOCL6
IOCL7
CSR0
CSR1
CSR0_ACC
––
––
––
––
––
––
––
44 55
32 40
8.0 10
7.1 8.9
6.3 7.9
5.6 7.0
4.6 5.8
3.8 4.8
3.1 3.9
2.2 2.8
– 1/7200
– 1/21400
-17 –
Notes
10. Source-Drain ON Resistance (Reverse Drain-to-Source ON Resistance) with negative polarity VPWR.
55
35
35
94
60
60
70
66
48
12
10.7
9.5
8.5
7.0
5.8
4.7
3.4
17
m
m
m
A
A
%
Analog Integrated Circuit Device Data
Freescale Semiconductor
33874
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