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Teilenummer | 33981 |
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Beschreibung | High-Frequency High-Current Self-Protected High-Side Switch | |
Hersteller | Motorola Inc | |
Logo | ||
Gesamt 24 Seiten MOTOROLA
Freescale Semiconductor, Inc.
SEMICONDUCTOR TECHNICAL DATA
Document order number: MC33981
Rev 2.0, 10/2004
Preliminary Information
High-Frequency, High-Current,
Self-Protected High-Side Switch
(4.0 mΩ up to 60 kHz)
The 33981 is a high-frequency, self-protected 4.0 mΩ RDS(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 nonleaded power-enhanced Power
QFN package with exposed tabs.
Features
• Single 4.0 mΩ RDS(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
• Overcurrent and Overtemperature Protection, Undervoltage 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
33981
HIGH-SIDE SWITCH
4.0 mΩ
Bottom View
PNA SUFFIX
SCCAASEL1E4021-0:21
16-TERMINAL PQFN (12 X 12)
ORDERING INFORMATION
Device
Temperature
Range (TA)
Package
PC33981PNA/R2 -40°C to 125°C 16 PQFN
33981 SimplifieSdimAplpifpieldicAaptpiolincaDtioiangDriaamgram
VDD VDD
I/O
I/O
MCU I/O
I/O
A/D
A/D
VPWR
33981
SR
CONF
FS
INLS
EN
INHS
TEMP
CSNS
VPWR
CBOOT
OUT
DLS
GLS
OCLS GND
M
This document contains information on a product under development.
Motorola reserves the right to change or discontinue this product without notice.
© Motorola, Inc. 2004
For More Information On This Product,
Go to: www.freescale.com
Freescale Semiconductor, Inc.
STATIC ELECTRICAL CHARACTERISTICS
Characteristics noted under conditions 4.5 V ≤ VDD ≤ 5.5 V, 6.0 V ≤ VPWR ≤ 27 V, -40°C ≤ TJ ≤ 150°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
Fully Operational
Extended
VPWR
V
6.0 – 27
4.5 – 27
VPWR Supply Current
Output ON, IOUT = 0 A
IPWR(ON)
–
mA
– 10
VPWR Supply Current
Output OFF, EN = 5.0 V, OUT Connected to GND
IPWR(SBY)
–
mA
– 10
Sleep State Supply Current (VPWR < 14 V, EN = 0 V)
TJ = 25°C
TJ = 125°C
Undervoltage Shutdown
Undervoltage Hysteresis
IPWR(SLEEP)
VPWR(UV)
VPWR(UVHYS)
–
–
2.0
–
µA
– 5.0
– 50
– 4.0 V
0.3 – V
POWER OUTPUT
Output Drain-to-Source ON Resistance (IOUT = 20 A, TJ = 25°C)
VPWR = 6.0 V
VPWR = 10.0 V
VPWR = 13 V
RDS(ON)
–
–
–
mΩ
– 6.0
– 5.0
– 4.0
Output Drain-to-Source ON Resistance (IOUT = 20 A, TJ = 150°C)
VPWR = 6.0 V
VPWR = 9.0 V
VPWR = 13 V
RDS(ON)
–
–
–
mΩ
– 10.2
– 8.5
– 6.8
Output Drain-to-Source ON Resistance (IOUT = 20 A, TJ = 25°C)
VPWR = - 13 V
RDS(ON)
–
mΩ
– 8.0
Output Overcurrent Detection Level
Current Sense Ratio
9.0 V < VPWR < 16 V, CNS < 4.5V
I OCH
CSR
– – 100 A
–
1/20000
–
–
Current Sense Ratio (CSR) Accuracy
Output Current
5.0 A
10 A
30 A
CSR_ACC
-20
-14
-12
%
– 20
– 14
– 12
Current Sense Voltage Clamp
ICCNS = 15 mA
VCL(CSNS)
4.5
V
6.0 7.0
33981
6
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
For More Information On This Product,
Go to: www.freescale.com
6 Page Freescale Semiconductor, Inc.
EN
CONF
INHS
High Side ON
High Side OFF
0V
INLS
OUT
GLS
FS
TEMP
Low Side ON
Thermal Shutdown on Bootstrap Circuit or on Low-Side Gate Drive
0V
Thermal Shutdown
Thermal Shutdown
0V
Thermal Shutdown
0V
Thermal Shutdown
5.0 V
15 µs After
0 V 15 µs After
Thermal Shutdown
Thermal Shutdown
Thermal Shutdown
Temperature
Control
TSD Hysteresis
TSD Hysteresis
Figure 4. Overtemperature on Bootstrap Circuit or on Low-Side Gate Drive
33981
12
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
For More Information On This Product,
Go to: www.freescale.com
12 Page | ||
Seiten | Gesamt 24 Seiten | |
PDF Download | [ 33981 Schematic.PDF ] |
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