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33981 데이터시트 PDF




Freescale Semiconductor에서 제조한 전자 부품 33981은 전자 산업 및 응용 분야에서
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부품번호 33981 기능
기능 Single High Side Switch
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33981 데이터시트, 핀배열, 회로
Freescale Semiconductor
Technical Data
Single High Side Switch
(4.0 mOhm), PWM clock up to
60 kHz
Document Number: MC33981
Rev. 11.0, 7/2012
33981
The 33981 is a high frequency, self-protected 4.0 mRDS(ON) high
side switch used to replace electromechanical relays, fuses, and
discrete devices in power management applications.
The 33981 can be controlled by pulse-width modulation (PWM) with
a frequency up to 60 kHz. It is designed for harsh environments, and it
includes self-recovery features. The 33981 is suitable for loads with high
inrush current, as well as motors and all types of resistive and inductive
loads.
The 33981 is packaged in a 12 x 12 mm non-leaded power-enhanced
PQFN package with exposed tabs.
Features
• Single 4.0 mRDS(ON) maximum high side switch
• PWM capability up to 60 kHz with duty cycle from 5% to 100%
• Very low standby current
• Slew-rate control with external capacitor
• Over-current and over-temperature protection, under-voltage
shutdown, and fault reporting
• Reverse battery protection
• Gate drive signal for external low side N-channel MOSFET with
protection features
• Output current monitoring
• Temperature feedback
HIGH SIDE SWITCH
Bottom View
FK (Pb-Free Suffix)
98ARL10521D
16-PIN PQFN (12 X 12)
ORDERING INFORMATION
Device
(Add R2 Suffix for
Tape and Reel)
Temperature
Range (TA)
Package
MC33981BHFK
MC33981ABHFK
-40 to 125 °C
16 PQFN
VDD
VDD
I/O
I/O
MCU I/O
I/O
A/D
A/D
VPWR
33981
CONF
FS
INLS
EN
INHS
TEMP
CSNS
VPWR
CBOOT
OUT
DLS
GLS
OCLS SR GND
M
Figure 1. 33981 Simplified Application Diagram
Freescale Semiconductor, Inc. reserves the right to change the detail specifications,
as may be required, to permit improvements in the design of its products.
© Freescale Semiconductor, Inc., 2007 - 2012. All rights reserved.




33981 pdf, 반도체, 판매, 대치품
PIN CONNECTIONS
PIN CONNECTIONS
Package Transparent Top View
GND
13
VPWR
14
15 16
OUT
OUT
Figure 3. Pin Connections
Table 2. PIN DEFINITIONS
Descriptions of the pins listed in the table below can be found in the Functional Description section located on page 15.
Pin
Number
Pin Name
Pin
Function
Formal Name
Definition
1
CSNS
Reports Output Current Monitoring This pin is used to generate a ground-referenced voltage for the
microcontroller (MCU) to monitor output current.
2
TEMP
Reports
Temperature Feedback This pin is used by the MCU to monitor board temperature.
3 EN Input
Enable
(Active High)
This pin is used to place the device in a low-current Sleep mode.
4
INHS
Input
Serial Input High Side
This input pin is used to control the output of the device.
5 FS Reports
Fault Status
(Active Low)
This pin monitors fault conditions and is active LOW.
6
INLS
Input
Serial Input Low Side
This pin is used to control an external low side N-channel MOSFET.
7
CONF
Input
Configuration Input
This input manages MOSFET N-channel cross-conduction.
8
OCLS
Input
Low Side Overload
This pin sets the VDS protection level of the external low side MOSFET.
9 DLS Input
Drain Low Side
This pin is the drain of the external low side N-channel MOSFET.
10
GLS
Output
Low Side Gate
This output pin drives the gate of the external low side N-channel
MOSFET.
11
12
13
14
15, 16
SR
CBOOT
GND
VPWR
OUT
Input
Input
Ground
Input
Output
Slew Rate Control
Bootstrap Capacitor
Ground
Positive Power Supply
Output
This pin controls the output slew rate.
This pin provides the high pulse current to drive the device.
This is the ground pin of the device.
This pin is the source input of operational power for the device.
These pins provide a protected high side power output to the load
connected to the device.
33981
4
Analog Integrated Circuit Device Data
Freescale Semiconductor

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33981 전자부품, 판매, 대치품
ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 4. Static Electrical Characteristics
Characteristics noted under conditions 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 (VPWR)
Battery Supply Voltage Range
Fully Operational
Extended(8)
VPWR
V
6.0 – 27.0
4.5 – 27.0
VPWR Supply Current
INHS = 1 and OUT Open, INLS = 0
VPWR Supply Current
INHS = INLS = 0, EN = 5.0 V, OUT Connected to GND
Sleep-state Supply Current
(VPWR < 14 V, EN = 0 V, OUT Connected to GND)
TA = 25 C
TA = 125 C
Under-voltage Shutdown
Under-voltage Hysteresis
POWER OUTPUT (IOUT, VPWR)
IPWR(ON)
IPWR(SBY)
IPWR(SLEEP)
VPWR(UV)
VPWR(UVHYS)
2.0
0.05
10.0
10.0
4.0
0.15
12.0
12.0
5.0
50.0
4.5
0.3
mA
mA
A
V
V
Output Drain-to-Source ON Resistance (IOUT = 20 A, TA = 25 C)
VPWR = 6.0 V
VPWR = 9.0 V
VPWR = 13.0 V
Output Drain-to-Source ON Resistance (IOUT = 20 A, TA = 150 C)
VPWR = 6.0 V
VPWR = 9.0 V
VPWR = 13.0 V
Output Source-to-Drain ON Resistance (IOUT = -20 A, TA = 25 C)(9)
VPWR = - 12 V
Output Over-current Detection Level
9.0 V < VPWR < 16 V
Current Sense Ratio
9.0 V < VPWR < 16 V, CSNS < 4.5 V
Current Sense Ratio (CSR) Accuracy
9.0 V < VPWR < 16 V, CSNS < 4.5 V
Output Current
5.0 A
15 A, 20 A, and 30 A
RDS(ON)25
RDS(ON)150
RSD(ON)
I OCH
CSR
CSR_ACC
– – 6.0
– – 5.0
– – 4.0
– – 10.2
– – 8.5
– – 6.8
– – 8.0
75 100 125
– 1/20000 –
-20 – 20
-15 – 15
m
m
m
A
%
Notes
8. OUT can be commanded fully on, PWM is available at room. Low Side Gate driver is available. Protections and Diagnosis are not
available. Min/max parameters are not guaranteed.
9. Source-Drain ON Resistance (Reverse Drain-to-Source ON Resistance) with negative polarity VPWR.
Analog Integrated Circuit Device Data
Freescale Semiconductor
33981
7

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