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부품번호 33984B 기능
기능 Dual Intelligent High-Current Self Protected Silicon High-Side Switch
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33984B 데이터시트, 핀배열, 회로
www.DFaretaeSshceeatl4eUS.ceommiconductor
Advance Information
Document Number: MC33984
Rev. 9.0, 1/2007
Dual Intelligent High-Current
Self-Protected Silicon
High-Side Switch (4.0 mΩ)
33984B
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
HIGH-SIDE SWITCH
BOTTOM VIEW
PNA SUFFIX
98ARL10521D
16-PIN PQFN
ORDERING INFORMATION
Device
Temperature
Range (TA)
Package
MC33984BPNA/R2 -40°C to 125°C
16 PQFN
VDD
VDD
I/O
I/O
SO
SCLK
MCU CS
SI
I/O
I/O
I/O
A/D
VDD
VPWR
33984B
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. All rights reserved.




33984B pdf, 반도체, 판매, 대치품
PIN CONNECTIONS
Table 1. Pin Definitions (continued)
Functional descriptions of many of these pins can be found in the Functional Pin Description section beginning on page 16.
Pin
Pin Name
Pin
Function
Formal Name
Definition
11 SO Output
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.
12 IN1 Input
Direct Input 1
This input pin is used to directly control the output HS1.
13
GND
Ground
Ground
This pin is the ground for the logic and analog circuitry of the device.
14
VPWR
Input
Positive Power Supply This pin connects to the positive power supply and is the source input
of operational power for the device.
15
HS1 Output
High-Side Output 1
Protected 4.0 mhigh-side power output to the load.
16
HS0 Output
High-Side Output 0
Protected 4.0 mhigh-side power output to the load.
33984
4
Analog Integrated Circuit Device Data
Freescale Semiconductor

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33984B 전자부품, 판매, 대치품
ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 3. Static Electrical Characteristics
Characteristics noted under conditions 4.5 V VDD 5.5 V, 6.0 V VPWR 27 V, -40°C TA 125°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 INPUT
Battery Supply Voltage Range
Full Operational
VPWR
6.0 – 27
VPWR Operating Supply Current
Output ON, IHS0 and IHS1 = 0 A
IPWR(ON)
– 20
VPWR Supply Current
Output OFF, Open Load Detection Disabled, WAKE > 0.7 VDD,
RST = VLOGIC HIGH
IPWR(SBY)
– 5.0
Sleep State Supply Current (VPWR < 14 V, RST < 0.5 V, WAKE < 0.5 V)
TJ = 25°C
TJ = 85°C
IPWR(SLEEP)
– 10
– 50
VDD Supply Voltage
VDD Supply Current
No SPI Communication
3.0 MHz SPI Communication
VDD(ON) 4.5 5.0 5.5
IDD(ON)
– 1.0
– 5.0
VDD Sleep State Current
IDD(SLEEP)
– 5.0
Overvoltage Shutdown Threshold
VPWR(OV)
28
32 36
Overvoltage Shutdown Hysteresis
Undervoltage Output Shutdown Threshold (8)
Undervoltage Hysteresis (9)
VPWR(OVHYS)
VPWR(UV)
VPWR(UVHYS)
0.2
5.0
0.8 1.5
5.5 6.0
0.25 –
Undervoltage Power-ON Reset
VPWR(UVPOR)
– 5.0
Notes
8. This applies to all internal device logic supplied by VPWR and assumes the external VDD supply is within specification.
9. This applies when the undervoltage fault is not latched (IN[0:1] = 0).
V
mA
mA
µA
V
mA
µA
V
V
V
V
V
Analog Integrated Circuit Device Data
Freescale Semiconductor
33984
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