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부품번호 MC33984 기능
기능 Dual Intelligent High-Current Self-Protected Silicon High-Side Switch
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MC33984 데이터시트, 핀배열, 회로
MOTOROLA
Freescale Semiconductor, Inc.
SEMICONDUCTOR TECHNICAL DATA
Document order number: MC33984
Rev 4.0, 09/2004
Advance Information
Dual Intelligent High-Current
Self-Protected Silicon High-Side
Switch (4.0 mΩ)
The 33984 is a dual self-protected 4.0 msilicon switch used to replace
electromechanical relays, fuses, and discrete devices in power management
applications. The 33984 is designed for harsh environments, and it includes
self-recovery features. The device is suitable for loads with high inrush current,
as well as motors and all types of resistive and inductive loads.
Programming, control, and diagnostics are implemented via the Serial
Peripheral Interface (SPI). A dedicated parallel input is available for alternate
and pulse-width modulation (PWM) control of each output. SPI-programmable
fault trip thresholds allow the device to be adjusted for optimal performance in
the application.
The 33984 is packaged in a power-enhanced 12 x 12 nonleaded PQFN
package with exposed tabs.
Features
• Dual 4.0 mMax High-Side Switch with Parallel Input or SPI Control
• 6.0 V to 27 V Operating Voltage with Standby Currents < 5.0 µA
• Output Current Monitoring with Two SPI-Selectable Current Ratios
• 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
• Enhanced -16 V Reverse Polarity VPWR Protection
33984
DUAL HIGH-SIDE SWITCH
4.0 m
Bottom View
SCCPANSAAELS1UE4F02F1-I0X:21
16-TERMINAL PQFN (12 x 12)
ORDERING INFORMATION
Device
Temperature
Range (TA)
Package
MC33984PNA/R2 -40°C to 125°C 16 PQFN
33S9im8p4lifSieidmAppplilficieatdionADpipaglircamation Diagram
VDD VDD
I/O
I/O
SO
SCLK
MCU
CS
SI
I/O
I/O
I/O
A/D
VDD VPWR
33984
VDD VPWR
FS GND
WAKE
SI HS1
SCLK
CS
SO
RST HS0
IN0
IN1
CSNS
FSI GND
LOAD
LOAD
GND PWR GND
This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
© Motorola, Inc. 2004
For More Information On This Product,
Go to: www.freescale.com




MC33984 pdf, 반도체, 판매, 대치품
Freescale Semiconductor, Inc.
TERMINAL DEFINITIONS (continued)
Functional descriptions of many of these terminals can be found in the System/Application Information section beginning on
page 15.
Terminal
9
Terminal
Name
SI
Formal Name
Serial Input
Definition
This is a command data input terminal connected to the SPI Serial Data Output of the
MCU or to the SO terminal of the previous device of a daisy chain of devices. The input
requires CMOS logic-level signals and incorporates an active internal pulldown current
source. Device control is facilitated by the input's receiving the MSB first of a serial 8-
bit control command. The MCU ensures data is available upon the falling edge of
SCLK. The logic state of SI present upon the rising edge of SCLK loads that bit
command into the internal command shift register.
10
VDD
Digital Drain Voltage
This is an external voltage input terminal used to supply power to the SPI circuit. In the
(Power)
event VDD is lost, an internal supply provides power to a portion of the logic, ensuring
limited functionality of the device.
11 SO
Serial Output
This output terminal is connected to the SPI Serial Data Input terminal of the MCU or
to the SI terminal of the next device of a daisy chain of devices. This output will remain
tri-stated (high impedance OFF condition) so long as the CS terminal of the device is
logic HIGH. SO is only active when the CS terminal of the device is asserted logic LOW.
The generated SO output signals are CMOS logic levels. SO output data is available
on the falling edge of SCLK and transitions immediately on the rising edge of SCLK.
12 IN1
Serial Input
This input terminal is used to directly control the output HS1. This input has an active
internal pulldown current source and requires CMOS logic levels. This input may be
configured via SPI.
13 GND
Ground
This terminal is the ground for the logic and analog circuitry of the device.
14
VPWR
Positive Power Supply
This terminal connects to the positive power supply and is the source input of
operational power for the device. The VPWR terminal is a backside surface mount tab
of the package.
15
HS1
High-Side Output 1
Protected 4.0 mhigh-side power output to the load.
16
HS0
High-Side Output 0
Protected 4.0 mhigh-side power output to the load.
33984
4
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
For More Information On This Product,
Go to: www.freescale.com

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MC33984 전자부품, 판매, 대치품
Freescale Semiconductor, Inc.
STATIC ELECTRICAL CHARACTERISTICS (continued)
Characteristics noted under conditions 4.5 V VDD 5.5 V, 6.0 V VPWR 27 V, -40°C TJ 150°C unless otherwise noted.
Typical values noted reflect the approximate parameter mean at TA = 25°C under nominal conditions unless otherwise noted.
Characteristic
Symbol Min Typ Max Unit
POWER OUTPUT
Output Drain-to-Source ON Resistance (IHS[0:1] = 30 A, TJ = 25°C)
VPWR = 6.0 V
VPWR = 10 V
VPWR = 13 V
RDS(ON)
m
– 6.0
– 4.0
– 4.0
Output Drain-to-Source ON Resistance (IHS[0:1] = 30 A, TJ = 150°C)
VPWR = 6.0 V
VPWR = 10 V
VPWR = 13 V
RDS(ON)
m
– 10.2
– 6.8
– 6.8
Output Source-to-Drain ON Resistance IHS[0:1] = 15 A, TJ = 25°C (Note 10)
VPWR = -12 V
RDS(ON)
m
– 8.0
Output Overcurrent High Detection Levels (9.0 V < VPWR < 16 V)
SOCH = 0
SOCH = 1
Overcurrent Low Detection Levels (SOCL[2:0])
000
001
010
011
100
101
110
111
IOCH0
IOCH1
IOCL0
IOCL1
IOCL2
IOCL3
IOCL4
IOCL5
IOCL6
IOCL7
A
80 100 120
60 75 90
A
21 25 29
18 22.5 27
16 20 24
14 17.5 21
12 15 17
10 12.5 15
8.0 10 12
6.0 7.5 9.0
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
5.0 A
10 A
12.5 A
15 A
20 A
25 A
CSR0
CSR1
CSR0_ACC
– 1/20500
– 1/41000
-20 –
-14 –
-13 –
-12 –
-13 –
-13 –
20
14
13
12
13
13
%
Notes
10. Source-Drain ON Resistance (Reverse Drain-to-Source ON Resistance) with negative polarity VPWR.
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
For More Information On This Product,
Go to: www.freescale.com
33984
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