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MC33984 Datasheet

Dual Intelligent High-current Self-protected Silicon High-side Switch

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Freescale Semiconductor
Advance Information
Dual Intelligent High-current
Self-protected Silicon High-side
Switch (4.0 mOhm
Document Number: MC33984
Rev. 16.0, 9/2014
33984
The 33984 is a dual self-protected 4.0 mOhm 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 mm x 12 mm 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 A
• 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
HIGH-SIDE SWITCH
BOTTOM VIEW
FK SUFFIX
98ARL10521D
16-PIN PQFN
Applications
• DC motor or solenoid
• Resistive or inductive loads
• Low-voltage lighting
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
WAKE
SI
SCLK
CS
SO
RST
INO
IN1
CSNS
FSI
HS1
HS0
GND
GND
LOAD
LOAD
Figure 1. 33984 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., 2007-2014. All rights reserved.


NXP Semiconductors Electronic Components Datasheet

MC33984 Datasheet

Dual Intelligent High-current Self-protected Silicon High-side Switch

No Preview Available !

ORDERABLE PARTS
ORDERABLE PARTS
Table 1. Orderable Part Variations (1)
Part Number
Temperature (TA)
Package
Output Clamp
Energy
MC33984CHFK -40 °C to 125 °C
16 PQFN
0.5J
Notes
1. To order parts in Tape & Reel, add the R2 suffix to the part number.
Reference
Location
Table 4
OD3 bit for X111
address
1
Reference
Location
Table 17
33984
2
Analog Integrated Circuit Device Data
Freescale Semiconductor


Part Number MC33984
Description Dual Intelligent High-current Self-protected Silicon High-side Switch
Maker NXP
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MC33984 Datasheet PDF






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