SA60DP [CIRRUS]
Brush DC Motor Controller, 15A, SIP-12;
| 型号： | SA60DP |
| 厂家： | 
CIRRUS LOGIC |
| 描述： | Brush DC Motor Controller, 15A, SIP-12 局域网 电动机控制 |
| 文件： | 总6页 (文件大小：502K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SA60
H-Bridge Motor Driver/Amplifiers
FEATURES
DESCRIPTION
Theꢀ SA60ꢀ isꢀ aꢀ pulseꢀ widthꢀ modulationꢀ amplifierꢀ thatꢀ
canꢀsupplyꢀ10Aꢀcontinuousꢀcurrentꢀtoꢀtheꢀload.ꢀTheꢀfullꢀ
bridgeꢀ amplifierꢀ canꢀ beꢀ operatedꢀ overꢀ aꢀ wideꢀ rangeꢀ
ofꢀsupplyꢀvoltages.ꢀAllꢀofꢀtheꢀdrive/controlꢀcircuitryꢀforꢀ
theꢀlowsideꢀandꢀhighsideꢀswitchesꢀareꢀinternalꢀtoꢀtheꢀ
hybrid.ꢀTheꢀPWMꢀcircuitryꢀisꢀinternalꢀasꢀwell,ꢀleavingꢀ
theꢀuserꢀtoꢀonlyꢀprovideꢀanꢀanalogꢀsignalꢀforꢀtheꢀmotorꢀ
speed/direction,ꢀorꢀaudioꢀsignalꢀforꢀswitchmodeꢀaudioꢀ
amplification.ꢀTheꢀinternalꢀPWMꢀfrequencyꢀcanꢀbeꢀpro-
grammedꢀbyꢀanꢀexternalꢀintegratorꢀcapacitor.ꢀAlterna-
tively,ꢀtheꢀuserꢀmayꢀprovideꢀanꢀexternalꢀTTL-compatibleꢀ
PWMꢀsignalꢀforꢀsimultaneousꢀamplitudeꢀandꢀdirectionꢀ
controlꢀforꢀfourꢀquadrantꢀmode.
♦ꢀLOWꢀCOSTꢀCOMPLETEꢀH-BRIDGE
♦ꢀSELF-CONTAINEDꢀSMARTꢀLOWSIDE/
ꢀ HIGHSIDEꢀDRIVEꢀCIRCUITRY
♦ꢀWIDEꢀSUPPLYꢀRANGE:ꢀUPꢀTOꢀ80V
♦ꢀ10AꢀCONTINUOUSꢀOUTPUT
♦ꢀISOLATEDꢀCASEꢀALLOWSꢀDIRECTꢀ
ꢀ HEATSINKING
♦ꢀFOURꢀQUADRANTꢀOPERATION,ꢀTORQUEꢀꢀ
CONTROLꢀCAPABILITY
♦ꢀINTERNAL/PROGRAMMABLEꢀPWMꢀ
ꢀ FREQUENCYꢀGENERATION
APPLICATIONS
♦ꢀBRUSHꢀTYPEꢀMOTORꢀCONTROL
♦ꢀꢀCLASSꢀDꢀSWITCHMODEꢀAMPLIFIER
♦ꢀREACTIVEꢀLOADS
♦ꢀMAGNETICꢀCOILSꢀ(MRI)
♦ꢀACTIVEꢀMAGNETICꢀBEARING
♦ꢀVIBRATIONꢀCANCELLING
BLOCK DIAGRAM
DISABLE
ANALOG IN
Cf/PWM IN
3
4
2
10
+V
s
11
9
B OUT
A OUT
H-Bridge
Drive
2
6
8
12
6
49K
I
A
B
sense
1
7
555
1
7
ANALOG GND
I
sense
2.58K
8
4
POWER
GND
V
cc
Copyright © Cirrus Logic, Inc. 2011
(All Rights Reserved)
OCT 2011
APEX − SA60UREVO
www.cirrus.com
SA60
1. CHARACTERISTICS AND SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Min
Max
80
Units
V
SUPPLYꢀVOLTAGE,ꢀ+VSꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ(Noteꢀ4)
OUTPUTꢀCURRENT,ꢀpeak
15
A
LOGICꢀSUPPLYꢀVOLTAGE,ꢀVCC
16
V
POWERꢀDISSIPATION,ꢀinternalꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ(Noteꢀ3)
TEMPERATURE,ꢀpinꢀsolder,ꢀ10sꢀmax.
TEMPERATURE,ꢀjunctionꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ(Noteꢀ2)
TEMPERATUREꢀRANGE,ꢀstorage
156
260
150
125
85
W
°C
°C
°C
°C
−55
−25
OPERATINGꢀTEMPERATUREꢀRANGE,ꢀcase
TheꢀSA60ꢀisꢀconstructedꢀfromꢀMOSFETꢀtransistors.ꢀESDꢀhandlingꢀproceduresꢀmustꢀbeꢀobserved.
Theꢀexposedꢀsubstrateꢀcontainsꢀberylliaꢀ(BeO).ꢀDoꢀnotꢀcrush,ꢀmachine,ꢀorꢀsubjectꢀtoꢀtemperaturesꢀ
inꢀexcessꢀofꢀ850°Cꢀtoꢀavoidꢀgeneratingꢀtoxicꢀfumes.
CAUTION
SPECIFICATIONS
Parameter
INPUT
Test Conditions1
Min
Typ
Max
Units
ANALOGꢀINPUTꢀVOLTAGES
ꢀꢀꢀꢀA,BꢀOUTꢀ=ꢀ50%ꢀDutyꢀCycle
ꢀꢀꢀꢀAꢀOUTꢀ=ꢀ100%ꢀDutyꢀCycleꢀHigh
ꢀꢀꢀꢀBꢀOUTꢀ=ꢀ100%ꢀDutyꢀCycleꢀHigh
PWMꢀINPUT
VCCꢀ=ꢀ12V
1/2ꢀVCC
1/3ꢀVCC
2/3ꢀVCC
VDC
VDC
VDC
ꢀꢀꢀꢀPWMꢀPULSEꢀLOWꢀVOLTAGE
ꢀꢀꢀꢀPWMꢀPULSEꢀHIGHꢀVOLTAGE
ꢀꢀꢀꢀPWMꢀFREQUENCY
ꢀꢀꢀꢀDISABLEꢀON
0
0.8
5.0
250
VCC
0.8
VDC
VDC
KHz
VDC
VDC
2.7
45
2.7
0
ꢀꢀꢀꢀDISABLEꢀOFF
OUTPUT
VDSꢀ(ON)ꢀVOLTAGE,ꢀeachꢀMOSFET
TOTALꢀRON,ꢀbothꢀMOSFETs
EFFICIENCY,ꢀ10AꢀOUTPUT
CURRENT,ꢀcontinuous
CURRENT,ꢀpeak
IDSꢀ=ꢀ10A
1.7
91
2.5
VDC
Ω
0.45
+VSꢀ=ꢀ80A
%
10
15
A
tꢀ=ꢀ100ꢀmsec
CFꢀ=ꢀ270pF
A
SWITCHINGꢀFREQUENCY
DEADꢀTIME
45
90
KHz
nS
POWER SUPPLY
+VSꢀVOLTAGEꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ(Noteꢀ4)
VCCꢀVOLTAGE
+VSꢀCurrentꢀ=ꢀLoadꢀCurrent
80
15
36
VDC
VDC
mA
9.5
12
28
5
VCCꢀCURRENT
VCCꢀ=ꢀ12VDC
+VSꢀCURRENT
Switching,ꢀnoꢀload,ꢀVSꢀ=ꢀ50V
mA
2
SA60U
SA60
Parameter
Test Conditions1
Min
Typ
Max
Units
THERMALꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ(Noteꢀ3)
RESISTANCE,ꢀjunctionꢀtoꢀcase
Fullꢀtemperatureꢀrange,
forꢀeachꢀtransistor
1.6
°C/W
RESISTANCE,ꢀjunctionꢀtoꢀair
TEMPERATUREꢀRANGE,ꢀcase
Fullꢀtemperatureꢀrange
30
°C/W
°C
-25
+85
NOTES:ꢀ 1.ꢀ (AllꢀMin/MaxꢀcharacteristicsꢀandꢀspecificationsꢀareꢀguaranteedꢀoverꢀtheꢀSpecifiedꢀOperatingꢀCondi-
tions.ꢀTypicalꢀperformanceꢀcharacteristicsꢀandꢀspecificationsꢀareꢀderivedꢀfromꢀmeasurementsꢀtakenꢀ
atꢀtypicalꢀsupplyꢀvoltagesꢀandꢀTCꢀ=ꢀ25°C,ꢀVCCꢀ=ꢀ12VDC).
ꢀ
2.ꢀ Longꢀtermꢀoperationꢀatꢀtheꢀmaximumꢀjunctionꢀtemperatureꢀwillꢀresultꢀinꢀreducedꢀproductꢀlife.ꢀDerateꢀ
powerꢀdissipationꢀtoꢀachieveꢀhighꢀMTTF.
ꢀ
ꢀ
3.ꢀ Eachꢀofꢀtheꢀtwoꢀactiveꢀoutputꢀtransistorsꢀcanꢀdissipateꢀ78W.
4.ꢀ Derateꢀtoꢀ70VꢀbelowꢀTCꢀ=ꢀ+25°C.
POWER DERATING
TOTAL VOLTAGE DROP
PWM FREQ VS EXT INT CAP
80
60
40
35
30
25
20
1000
100
10
Cf (pF) = (1.44E7/Fsw)–50
TC = 110°C
15
10
5
T
C = 85°C
TC = 60°C
20
0
EACH OUTPUT
TRANSISTOR
TC = 35°C
0
0
25
50
75
100
125
0
3
6
9
12
15
10
100
1000
CASE TEMPERATURE, TC (C)
OUTPUT CURRENT, A
EXTERNAL INTEGRATION CAP, C (pF)
Vs QUIESCENT VS VOLTAGE
REVERSE DIODES
DUTY CYCLE VS ANALOG INPUT
1.8
1.6
1.4
1.2
1
100
10
85°C
80
A OUT
B OUT
60
40
20
0
25°C
1
0.8
0.6
0.4
0.2
0.1
10
20 30 40 50 60 70 80
Vs, (V)
1/6
1/3
1/2
2/3
5/6
0.6 0.8
1
1.2 1.4 1.6
1.8
ANALOG INPUT AS PROPORTION OF Vcc
SOURCE TO DRAIN VOLTAGE
Vcc IQ VS SWITCH FREQ
Vs QUIESCENT VS SWITCH FREQ
Vcc QUIESCENT VS VOLTAGE
160
1.4
1.6
1.5
1.4
1.3
1.2
1.1
1
1.3
1.2
140
120
100
80
1.1
1
60
40
20
0
0.9
0.8
0.9
0.8
0.7
0.6
9
10 11 12 13 14 15 16
Vcc VOLTAGE (V)
0
50
100
150
200
250
25
50
75
100
125
SWITCHING FREQUENCY, Fsw (KHz)
SWITCHING FREQUENCY, Fsw (KHz)
SA60U
3
SA60
EXTERNAL CONNECTIONS
11
1
2
3
4
5
6
7
8
9
10
12
*
*
*
CF
‡
‡
NC
Vcc
ANALOG DISABLE
GND
12-pin Power SIP
PACKAGE
STYLE DP
FormedꢀLeadsꢀAvailable
SeeꢀpackageꢀstyleꢀEE
PWM
INPUT
ANALOG
INPUT
ISENSE B
POWER ISENSE A
GND
*
B OUT
A OUT
+Vs
‡ Required RC network. See paragraph
on transient shutdown.
Protection diodes are recommended for
applications where +Vs exceeds 50V.
*
TYPICAL APPLICATION
Aꢀwideꢀvarietyꢀofꢀloadsꢀcanꢀbeꢀdrivenꢀinꢀeitherꢀtheꢀvoltageꢀ
modeꢀorꢀtheꢀcurrentꢀmode.ꢀTheꢀmostꢀcommonꢀapplicationsꢀ
useꢀthreeꢀexternalꢀblocks:ꢀaꢀlowꢀpassꢀfilterꢀconvertingꢀpulseꢀ
widthꢀ dataꢀ toꢀ anꢀ analogꢀ output,ꢀ aꢀ differenceꢀ amplifierꢀ toꢀ
monitorꢀvoltageꢀorꢀcurrentꢀandꢀanꢀerrorꢀamplifier.ꢀFilterꢀin-
ductorsꢀmustꢀbeꢀsuitableꢀforꢀsquareꢀwavesꢀatꢀtheꢀswitchingꢀ
frequencyꢀ(laminatedꢀsteelꢀisꢀgenerallyꢀnotꢀacceptable).ꢀFil-
terꢀcapacitorsꢀmustꢀbeꢀlowꢀESRꢀandꢀratedꢀforꢀtheꢀexpectedꢀ
rippleꢀcurrent.ꢀAꢀdifferenceꢀamplifierꢀwithꢀgainꢀofꢀlessꢀthanꢀ
11
9
LOAD
SA60
4
8
12
3
2
oneꢀtranslatesꢀtheꢀdifferentialꢀoutputꢀvoltageꢀtoꢀaꢀsingleꢀfeedbackꢀvoltage.ꢀDashedꢀlineꢀconnectionsꢀandꢀaꢀhigherꢀ
gainꢀdifferenceꢀamplifierꢀwouldꢀbeꢀusedꢀforꢀcurrentꢀcontrol.ꢀTheꢀerrorꢀamplifierꢀintegratesꢀtheꢀdifferenceꢀbetweenꢀtheꢀ
inputꢀandꢀfeedbackꢀvoltagesꢀtoꢀcloseꢀtheꢀloop.
GENERAL
PleaseꢀreadꢀApplicationꢀNoteꢀ30ꢀonꢀ"PWMꢀBasics".ꢀReferꢀtoꢀApplicationꢀNoteꢀ1ꢀ"GeneralꢀOperatingꢀConsiderations"ꢀ
forꢀhelpfulꢀinformationꢀregardingꢀpowerꢀsupplies,ꢀheatꢀsinkingꢀandꢀmounting.ꢀVisitꢀwww.Cirrus.comꢀforꢀdesignꢀtoolsꢀ
thatꢀhelpꢀautomateꢀpwmꢀfilterꢀdesign;ꢀheatꢀsinkꢀselection;ꢀApexꢀPrecisionꢀPower’sꢀcompleteꢀApplicationꢀNotesꢀli-
brary;ꢀTechnicalꢀSeminarꢀWorkbook;ꢀandꢀEvaluationꢀKits.
PWM OSCILLATOR – INTERNAL OR EXTERNAL
TheꢀSA60ꢀcontainsꢀanꢀinternalꢀPWMꢀoscillatorꢀwhoseꢀfrequencyꢀisꢀdeterminedꢀbyꢀanꢀexternalꢀcapacitorꢀconnectedꢀ
betweenꢀpinꢀ1ꢀandꢀpinꢀ2.ꢀMaximumꢀfrequencyꢀisꢀ125ꢀkHz.ꢀTheꢀuserꢀmayꢀalsoꢀdisregardꢀtheꢀinternalꢀPWMꢀoscillatorꢀ
andꢀsupplyꢀtheꢀSA60ꢀwithꢀanꢀexternalꢀTTLꢀpulseꢀgeneratorꢀupꢀtoꢀ250KHZ.
PIN DESCRIPTION
VCCꢀ-ꢀisꢀtheꢀlowꢀvoltageꢀsupplyꢀforꢀpoweringꢀinternalꢀlogicꢀandꢀdriversꢀforꢀtheꢀlowsideꢀandꢀhighsideꢀMOSFETS.ꢀTheꢀ
suppliesꢀforꢀtheꢀhighsideꢀdriversꢀareꢀderivedꢀfromꢀthisꢀvoltage.
VSꢀ-ꢀisꢀtheꢀhigherꢀvoltageꢀH-bridgeꢀsupply.ꢀTheꢀMOSFETSꢀobtainꢀtheꢀoutputꢀcurrentꢀfromꢀthisꢀsupplyꢀpin.ꢀTheꢀvoltageꢀ
onꢀthisꢀpinꢀisꢀlimitedꢀtoꢀ+80VꢀbyꢀtheꢀdriveꢀIC.ꢀTheꢀMOSFETSꢀareꢀratedꢀatꢀ100ꢀvolts.
ISENSE A & Bꢀ-ꢀTheseꢀareꢀtiedꢀtoꢀpowerꢀgndꢀdirectlyꢀorꢀthroughꢀsenseꢀresistors.ꢀ
ANALOG GNDꢀ-ꢀisꢀtheꢀreferenceꢀforꢀtheꢀinternalꢀPWMꢀoscillator.ꢀConnectꢀthisꢀpinꢀtoꢀpinꢀ6.ꢀConnectꢀlowꢀsideꢀofꢀVccꢀ
supplyꢀandꢀanyꢀotherꢀsupplyꢀusedꢀtoꢀgenerateꢀanalogꢀinputꢀsignalsꢀtoꢀANALOGꢀGND.
ANALOG INPUTꢀ-ꢀisꢀanꢀanalogꢀinputꢀforꢀcontrollingꢀtheꢀPWMꢀpulseꢀwidthꢀofꢀtheꢀbridge.ꢀAꢀvoltageꢀhigherꢀthanꢀVcc/2ꢀ
willꢀproduceꢀgreaterꢀthanꢀ50%ꢀdutyꢀcycleꢀpulsesꢀoutꢀofꢀBꢀOUT.ꢀAꢀvoltageꢀlowerꢀthanꢀVcc/2ꢀwillꢀproduceꢀgreaterꢀ
thanꢀ50%ꢀdutyꢀcycleꢀpulsesꢀoutꢀofꢀAꢀOUT.ꢀIfꢀusingꢀinꢀtheꢀdigitalꢀmode,ꢀbiasꢀthisꢀpointꢀatꢀ1/2ꢀtheꢀlogicꢀhighꢀlevel.
DISABLEꢀ-ꢀIsꢀtheꢀconnectionꢀforꢀdisablingꢀallꢀ4ꢀoutputꢀswitches.ꢀDISABLEꢀhighꢀoverridesꢀallꢀotherꢀinputs.ꢀWhenꢀ
takenꢀlow,ꢀeverythingꢀfunctionsꢀnormally.ꢀAnꢀinternalꢀpullupꢀtoꢀVccꢀwillꢀkeepꢀDISABLEꢀhighꢀifꢀpinꢀleftꢀopen.
4
SA60U
SA60
PWM INPUTꢀ-ꢀꢀIsꢀtheꢀTTLꢀcompatibleꢀdigitalꢀinputꢀforꢀcontrollingꢀtheꢀPWMꢀpulseꢀwidthꢀofꢀtheꢀbridge.ꢀAꢀdutyꢀcycleꢀ
greaterꢀthanꢀ50%ꢀwillꢀproduceꢀgreaterꢀthanꢀ50%ꢀdutyꢀcycleꢀpulsesꢀoutꢀofꢀtheꢀAꢀout.ꢀAꢀdutyꢀcycleꢀlessꢀthanꢀ50%ꢀ
willꢀproduceꢀgreaterꢀthanꢀ50%ꢀdutyꢀcycleꢀfromꢀtheꢀBꢀout.ꢀForꢀanalogꢀinputs,ꢀtheꢀintegrationꢀcapacitorꢀforꢀtheꢀ
internalꢀclockꢀmustꢀbeꢀconnectedꢀbetweenꢀthisꢀpinꢀandꢀanalogꢀground.ꢀTheꢀinternalꢀswitchingꢀfrequencyꢀisꢀpro-
grammableꢀupꢀtoꢀ125ꢀkHzꢀbyꢀselectionꢀofꢀtheꢀintegrationꢀcapacitor.ꢀTheꢀformulaꢀis:
1.44 x107
CF (pF) =
– 50
(
)
Fsw
BYPASSING
Adequateꢀbypassingꢀofꢀtheꢀpowerꢀsuppliesꢀisꢀrequiredꢀforꢀproperꢀoperation.ꢀFailureꢀtoꢀdoꢀsoꢀcanꢀcauseꢀerraticꢀandꢀ
lowꢀefficiencyꢀoperationꢀasꢀwellꢀasꢀexcessiveꢀringingꢀatꢀtheꢀoutputs.ꢀTheꢀVsꢀsupplyꢀshouldꢀbeꢀbypassedꢀwithꢀatꢀ
leastꢀaꢀ1µFꢀceramicꢀcapacitorꢀinꢀparallelꢀwithꢀanotherꢀlowꢀESRꢀcapacitorꢀofꢀatꢀleastꢀ10µFꢀperꢀampꢀofꢀoutputꢀcurrent.ꢀ
Capacitorꢀtypesꢀratedꢀforꢀswitchingꢀapplicationsꢀareꢀtheꢀonlyꢀtypesꢀthatꢀshouldꢀbeꢀconsidered.ꢀTheꢀ1µFꢀceramicꢀ
capacitorꢀmustꢀbeꢀphysicallyꢀconnectedꢀdirectlyꢀtoꢀtheꢀVsꢀandꢀPOWERꢀGNDꢀpins.ꢀEvenꢀoneꢀinchꢀofꢀleadꢀlengthꢀwillꢀ
causeꢀexcessiveꢀringingꢀatꢀtheꢀoutputs.ꢀThisꢀisꢀdueꢀtoꢀtheꢀveryꢀfastꢀswitchingꢀtimesꢀandꢀtheꢀinductanceꢀofꢀtheꢀleadꢀ
connection.ꢀTheꢀbypassingꢀrequirementsꢀofꢀtheꢀVccꢀsupplyꢀareꢀlessꢀstringent,ꢀbutꢀstillꢀnecessary.ꢀAꢀ.1µFꢀtoꢀ.47µFꢀ
ceramicꢀcapacitorꢀconnectedꢀdirectlyꢀtoꢀtheꢀVccꢀandꢀANALOGꢀGNDꢀpinsꢀwillꢀsuffice.ꢀꢀ
PCB LAYOUT
TheꢀdesignerꢀneedsꢀtoꢀappreciateꢀthatꢀtheꢀSA60ꢀcombinesꢀinꢀoneꢀcircuitꢀbothꢀhighꢀspeedꢀhighꢀpowerꢀswitchingꢀandꢀ
lowꢀlevelꢀanalogꢀsignals.ꢀCertainꢀlayoutꢀrulesꢀofꢀthumbꢀmustꢀbeꢀconsideredꢀwhenꢀaꢀcircuitꢀboardꢀlayoutꢀisꢀdesignedꢀ
usingꢀtheꢀSA60:
1.ꢀ Bypassingꢀofꢀtheꢀpowerꢀsuppliesꢀisꢀcritical.ꢀCapacitorsꢀmustꢀbeꢀconnectedꢀdirectlyꢀtoꢀtheꢀpowerꢀsupplyꢀpinsꢀwithꢀ
veryꢀshortꢀleadꢀlengthsꢀ(wellꢀunderꢀ1ꢀinch).ꢀCeramicꢀchipꢀcapacitorsꢀareꢀbest.
2.ꢀ ConnectꢀANALOGꢀGNDꢀtoꢀPOWERꢀGNDꢀwithꢀaꢀconductorꢀhavingꢀnoꢀintermediateꢀconnections.ꢀꢀConnectꢀallꢀVsꢀ
powerꢀsupply,ꢀfilterꢀandꢀloadꢀrelatedꢀgroundꢀconnectionsꢀtoꢀPOWERꢀGNDꢀkeepingꢀtheseꢀconductorsꢀseparateꢀ
untilꢀreachingꢀpinꢀ6.ꢀꢀConnectꢀallꢀVccꢀpowerꢀsupplyꢀandꢀinputꢀsignalꢀrelatedꢀgroundꢀconnectionsꢀtoꢀANALOGꢀ
GNDꢀkeepingꢀconductorsꢀseparateꢀuntilꢀreachingꢀpinꢀ1.ꢀDoꢀnotꢀallowꢀgroundꢀloopsꢀtoꢀꢀformꢀbyꢀmakingꢀadditionalꢀ
groundꢀconnectionsꢀatꢀtheꢀlowꢀsideꢀofꢀtheꢀphysicalꢀpowerꢀsupplies.ꢀIfꢀgroundꢀplaneꢀisꢀusedꢀdoꢀnotꢀallowꢀmoreꢀ
thanꢀ1mAꢀtoꢀflowꢀthroughꢀit.ꢀꢀꢀ
3.ꢀ Bewareꢀofꢀcapacitiveꢀcouplingꢀbetweenꢀoutputꢀconnectionsꢀandꢀsignalꢀinputsꢀthroughꢀtheꢀparasiticꢀcapacitanceꢀ
betweenꢀlayersꢀinꢀmultilayerꢀPCBꢀdesigns.
4.ꢀ Doꢀnotꢀrunꢀsmallꢀsignalꢀtracesꢀbetweenꢀtheꢀpinsꢀofꢀtheꢀoutputꢀsectionꢀ(pinsꢀ8-12).ꢀꢀ
CURRENT SENSE
Thereꢀareꢀtwoꢀloadꢀcurrentꢀsensingꢀpins,ꢀIꢀSENSEꢀAꢀandꢀIꢀSENSEꢀB.ꢀTheꢀtwoꢀpinsꢀcanꢀbeꢀshortedꢀtoꢀPOWERꢀGNDꢀ
inꢀtheꢀvoltageꢀmodeꢀconnectionꢀbutꢀbothꢀmustꢀbeꢀusedꢀinꢀtheꢀcurrentꢀmodeꢀconnection.ꢀItꢀisꢀrecommendedꢀthatꢀRꢀ
SENSEꢀresistorsꢀbeꢀnon-inductive.ꢀLoadꢀcurrentꢀflowsꢀinꢀtheꢀIꢀSENSEꢀpins.ꢀTheꢀSA60ꢀhasꢀnoꢀinternalꢀcurrentꢀꢀlimit.
TRANSIENT SUPPRESSION
AnꢀRCꢀnetworkꢀofꢀaꢀ100ꢀpFꢀCapacitorꢀandꢀaꢀoneꢀohmꢀresistorꢀisꢀrequiredꢀasꢀshownꢀinꢀtheꢀexternalꢀconnectionꢀdia-
gramꢀonꢀpageꢀ1.ꢀThisꢀnetworkꢀassuresꢀproperꢀoperationꢀunderꢀvariousꢀloads.ꢀMinimalꢀpowerꢀisꢀdissipatedꢀinꢀtheꢀ
resistor.
SA60U
5
SA60
CONTACTING CIRRUS LOGIC SUPPORT
ForꢀallꢀApexꢀPrecisionꢀPowerꢀproductꢀquestionsꢀandꢀinquiries,ꢀcallꢀtollꢀfreeꢀ800-546-2739ꢀinꢀNorthꢀAmerica.ꢀ
Forꢀinquiriesꢀviaꢀemail,ꢀpleaseꢀcontactꢀapex.support@cirrus.com.
InternationalꢀcustomersꢀcanꢀalsoꢀrequestꢀsupportꢀbyꢀcontactingꢀtheirꢀlocalꢀCirrusꢀLogicꢀSalesꢀRepresentative.
Toꢀfindꢀtheꢀoneꢀnearestꢀtoꢀyou,ꢀgoꢀtoꢀwww.cirrus.com
IMPORTANTꢀNOTICE
CirrusꢀLogic,ꢀInc.ꢀandꢀitsꢀsubsidiariesꢀ("Cirrus")ꢀbelieveꢀthatꢀtheꢀinformationꢀcontainedꢀinꢀthisꢀdocumentꢀisꢀaccurateꢀandꢀreliable.ꢀHowever,ꢀtheꢀinformationꢀisꢀsubjectꢀ
toꢀchangeꢀwithoutꢀnoticeꢀandꢀisꢀprovidedꢀ"ASꢀIS"ꢀwithoutꢀwarrantyꢀofꢀanyꢀkindꢀ(expressꢀorꢀimplied).ꢀCustomersꢀareꢀadvisedꢀtoꢀobtainꢀtheꢀlatestꢀversionꢀofꢀrelevantꢀ
informationꢀtoꢀverify,ꢀbeforeꢀplacingꢀorders,ꢀthatꢀinformationꢀbeingꢀreliedꢀonꢀisꢀcurrentꢀandꢀcomplete.ꢀAllꢀproductsꢀareꢀsoldꢀsubjectꢀtoꢀtheꢀtermsꢀandꢀconditionsꢀofꢀsaleꢀ
suppliedꢀatꢀtheꢀtimeꢀofꢀorderꢀacknowledgment,ꢀincludingꢀthoseꢀpertainingꢀtoꢀwarranty,ꢀindemnification,ꢀandꢀlimitationꢀofꢀliability.ꢀNoꢀresponsibilityꢀisꢀassumedꢀbyꢀCirrusꢀ
forꢀtheꢀuseꢀofꢀthisꢀinformation,ꢀincludingꢀuseꢀofꢀthisꢀinformationꢀasꢀtheꢀbasisꢀforꢀmanufactureꢀorꢀsaleꢀofꢀanyꢀitems,ꢀorꢀforꢀinfringementꢀofꢀpatentsꢀorꢀotherꢀrightsꢀofꢀthirdꢀ
parties.ꢀThisꢀdocumentꢀisꢀtheꢀpropertyꢀofꢀCirrusꢀandꢀbyꢀfurnishingꢀthisꢀinformation,ꢀCirrusꢀgrantsꢀnoꢀlicense,ꢀexpressꢀorꢀimpliedꢀunderꢀanyꢀpatents,ꢀmaskꢀworkꢀrights,ꢀ
copyrights,ꢀtrademarks,ꢀtradeꢀsecretsꢀorꢀotherꢀintellectualꢀpropertyꢀrights.ꢀCirrusꢀownsꢀtheꢀcopyrightsꢀassociatedꢀwithꢀtheꢀinformationꢀcontainedꢀhereinꢀandꢀgivesꢀcon-
sentꢀforꢀcopiesꢀtoꢀbeꢀmadeꢀofꢀtheꢀinformationꢀonlyꢀforꢀuseꢀwithinꢀyourꢀorganizationꢀwithꢀrespectꢀtoꢀCirrusꢀintegratedꢀcircuitsꢀorꢀotherꢀproductsꢀofꢀCirrus.ꢀThisꢀconsentꢀ
doesꢀnotꢀextendꢀtoꢀotherꢀcopyingꢀsuchꢀasꢀcopyingꢀforꢀgeneralꢀdistribution,ꢀadvertisingꢀorꢀpromotionalꢀpurposes,ꢀorꢀforꢀcreatingꢀanyꢀworkꢀforꢀresale.
CERTAINꢀAPPLICATIONSꢀUSINGꢀSEMICONDUCTORꢀPRODUCTSꢀMAYꢀINVOLVEꢀPOTENTIALꢀRISKSꢀOFꢀDEATH,ꢀPERSONALꢀINJURY,ꢀORꢀSEVEREꢀPROP-
ERTYꢀORꢀENVIRONMENTALꢀDAMAGEꢀ(“CRITICALꢀAPPLICATIONS”).ꢀCIRRUSꢀPRODUCTSꢀAREꢀNOTꢀDESIGNED,ꢀAUTHORIZEDꢀORꢀWARRANTEDꢀTOꢀBEꢀ
SUITABLEꢀFORꢀUSEꢀINꢀPRODUCTSꢀSURGICALLYꢀIMPLANTEDꢀINTOꢀTHEꢀBODY,ꢀAUTOMOTIVEꢀSAFETYꢀORꢀSECURITYꢀDEVICES,ꢀLIFEꢀSUPPORTꢀPROD-
UCTSꢀORꢀOTHERꢀCRITICALꢀAPPLICATIONS.ꢀINCLUSIONꢀOFꢀCIRRUSꢀPRODUCTSꢀINꢀSUCHꢀAPPLICATIONSꢀISꢀUNDERSTOODꢀTOꢀBEꢀFULLYꢀATꢀTHEꢀCUS-
TOMER’SꢀRISKꢀANDꢀCIRRUSꢀDISCLAIMSꢀANDꢀMAKESꢀNOꢀWARRANTY,ꢀEXPRESS,ꢀSTATUTORYꢀORꢀIMPLIED,ꢀINCLUDINGꢀTHEꢀIMPLIEDꢀWARRANTIESꢀOFꢀ
MERCHANTABILITYꢀANDꢀFITNESSꢀFORꢀPARTICULARꢀPURPOSE,ꢀWITHꢀREGARDꢀTOꢀANYꢀCIRRUSꢀPRODUCTꢀTHATꢀISꢀUSEDꢀINꢀSUCHꢀAꢀMANNER.ꢀIFꢀTHEꢀ
CUSTOMERꢀORꢀCUSTOMER’SꢀCUSTOMERꢀUSESꢀORꢀPERMITSꢀTHEꢀUSEꢀOFꢀCIRRUSꢀPRODUCTSꢀINꢀCRITICALꢀAPPLICATIONS,ꢀCUSTOMERꢀAGREES,ꢀ
BYꢀSUCHꢀUSE,ꢀTOꢀFULLYꢀINDEMNIFYꢀCIRRUS,ꢀITSꢀOFFICERS,ꢀDIRECTORS,ꢀEMPLOYEES,ꢀDISTRIBUTORSꢀANDꢀOTHERꢀAGENTSꢀFROMꢀANYꢀANDꢀALLꢀ
LIABILITY,ꢀINCLUDINGꢀATTORNEYS’ꢀFEESꢀANDꢀCOSTS,ꢀTHATꢀMAYꢀRESULTꢀFROMꢀORꢀARISEꢀINꢀCONNECTIONꢀWITHꢀTHESEꢀUSES.
CirrusꢀLogic,ꢀCirrus,ꢀandꢀtheꢀCirrusꢀLogicꢀlogoꢀdesigns,ꢀApexꢀPrecisionꢀPower,ꢀApexꢀandꢀtheꢀApexꢀPrecisionꢀPowerꢀlogoꢀdesignsꢀareꢀtrademarksꢀofꢀCirrusꢀLogic,ꢀInc.ꢀ
Allꢀotherꢀbrandꢀandꢀproductꢀnamesꢀinꢀthisꢀdocumentꢀmayꢀbeꢀtrademarksꢀorꢀserviceꢀmarksꢀofꢀtheirꢀrespectiveꢀowners.
6
SA60U
相关型号：
SA60E3/TR12
Trans Voltage Suppressor Diode, 500W, 60V V(RWM), Unidirectional, 1 Element, Silicon, DO-41, PLASTIC, DO-41, 2 PIN
MICROSEMI
SA60E3/TR8
Trans Voltage Suppressor Diode, 500W, 60V V(RWM), Unidirectional, 1 Element, Silicon, DO-41, PLASTIC, DO-41, 2 PIN
MICROSEMI
SA60T
Trans Voltage Suppressor Diode, 500W, 60V V(RWM), Unidirectional, 1 Element, Silicon, DO-204AC, ROHS COMPLIANT, PLASTIC, DO-15, 2 PIN
LITTELFUSE
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