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Freescale Semiconductor Electronic Components Datasheet

MC33982B Datasheet

Single Intelligent High-Current Self-Protected Silicon High-Side Switch

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MC33982B pdf
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Advance Information
Document Number: MC33982
Rev. 12.0, 1/2007
Single Intelligent High-Current
Self-Protected Silicon High-Side
Switch (2.0 m)
33982B
The 33982B is a self-protected silicon 2.0 mhigh-side switch used
to replace electromechanical relays, fuses, and discrete devices in
power management applications. The 33982B 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.
HIGH-SIDE SWITCH
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 the output.
SPI programmable fault trip thresholds allow the device to be adjusted
for optimal performance in the application.
The 33982B is packaged in a power-enhanced 12 x 12 nonleaded
PQFN package with exposed tabs.
Features
Bottom View
S9CP8NAAARLLS1UE0F5F21I1X:D1
16-PIN PQFN
• Single 2.0 mMax High-Side Switch with Parallel Input or SPI
Control
ORDERING INFORMATION
• 6.0 V to 27 V Operating Voltage with Standby Currents < 5.0 µA
• Output Current Monitoring with Two SPI-Selectable Current
Ratios
Device
Temperature
Range (TA)
Package
• SPI Control of Overcurrent Limit, Overcurrent Fault Blanking
MC33982BPNA/R2
-40°C to 125°C 16 PQFN
Time, Output-OFF Open Load Detection, Output ON/OFF
Control, Watchdog Time-out, Slew Rates, and Fault Status
Reporting
• SPI Status Reporting of Overcurrent, Open and Shorted Loads, Overtemperature Shutdown, Undervoltage and
Overvoltage Shutdown, Fail-Safe Pin Status, and Program Status
• Enhanced -16 V Reverse Polarity VPWR Protection
VDD
VDD
I/O
I/O
SO
SCLK
MCU CS
SI
I/O
I/O
A/D
VDD
VPWR
33982B
VDD
VPWR
FS
WAKE
SI
SCLK
CS
SO
RST
IN
HS
CSNS
FSI
GND
GND
LOAD
GND
PWR GND
Figure 1. 33982B 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. All rights reserved.


Freescale Semiconductor Electronic Components Datasheet

MC33982B Datasheet

Single Intelligent High-Current Self-Protected Silicon High-Side Switch

No Preview Available !

MC33982B pdf
INTERNAL BLOCK DIAGRAM
INTERNAL BLOCK DIAGRAM
CS
SO
SI
SCLK
FS
IN
RST
WAKE
FSI
VDD
VPWR
IUP
SPI
3.0 MHz
Internal
Regulator
VIC
Overvoltage
Protection
Programmable
Switch Delay
0 ms–525 ms
Selectable Slew
Rate Gate Drive
Logic
Selectable Overcurrent
High Detection
150 A or 100 A
Selectable Over-
current Low Detection
Blanking Time
0.15 ms–155 ms
Selectable
Overcurrent
Low Detection
15 A–50 A
IDWN
RDWN
Overtemperature
Detection
Programmable
Watchdog
310 ms–2500 ms
VIC
IUP
Open Load
Detection
Selectable
Output Current
Recopy
1/5400 or 1/40000
HS
GND
Figure 2. 33982B Simplified Internal Block Diagram
CSNS
33982
2
Analog Integrated Circuit Device Data
Freescale Semiconductor


Part Number MC33982B
Description Single Intelligent High-Current Self-Protected Silicon High-Side Switch
Maker Freescale Semiconductor
Total Page 30 Pages
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