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MC33984CHFK 데이터시트(PDF) 1 Page - Freescale Semiconductor, Inc

부품명 MC33984CHFK
상세설명  Dual Intelligent High-current Self-protected Silicon High Side Switch (4.0 mOhm)
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제조업체  FREESCALE [Freescale Semiconductor, Inc]
홈페이지  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MC33984CHFK 데이터시트(HTML) 1 Page - Freescale Semiconductor, Inc

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Freescale Semiconductor, Inc. reserves the right to change the detail specifications,
as may be required, to permit improvements in the design of its products.
Document Number: MC33984
Rev. 14.0, 5/2012
Freescale Semiconductor
Technical Data
© Freescale Semiconductor, Inc., 2007-2012. All rights reserved.
Dual Intelligent High-current
Self-protected Silicon High Side
Switch (4.0 mOhm
)
The 33984 is a dual self-protected 4.0 m
Ω silicon 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 mm
nonleaded PQFN package with exposed tabs.
Features
• Dual 4.0 m
Ω max 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 over-current limit, over-current fault blanking time,
output OFF open load detection, output ON/OFF control, watchdog
timeout, slew-rates, and fault status reporting
• SPI status reporting of over-current, open and shorted loads, over-
temperature, under-voltage and over-voltage shutdown, fail-safe
pin status, and program status
• Enhanced -16 V reverse polarity VPWR protection
Figure 1. 33984 Simplified Application Diagram
HIGH SIDE SWITCH
33984
ORDERING INFORMATION
Device
(Add R2 Suffix for
Tape and Reel)
Temperature
Range (TA)
Package
MC33984CHFK
-40 °C to 125 °C
16 PQFN
BOTTOM VIEW
FK SUFFIX
98ARL10521D
16-PIN PQFN
VDD
I/O
I/O
SO
SCLK
CS
SI
I/O
I/O
I/O
A/D
VPWR
FS
WAKE
SI
SCLK
CS
SO
RST
INO
IN1
CSNS
FSI
GND
HS1
HS0
GND
LOAD
LOAD
33984
MCU
VDD
VDD
VDD
VPWR


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