Data Sheet

MicrochipMCP25625CANControllerwithIntegratedTransceiver
SPIInterface
ImplementsCAN2.0B(ISO11898-1)
ImplementsISO-11898-2andISO-11898-5standardphysicallayerrequirements
Upto1Mb/secoperation
3transmitbufferswithprioritizationandabortfeatures
2receivebuffers
6filtersand2maskswithoptionalfilteringonthefirst2databytes
CANbuspinsaredisconnectedwhendeviceisunpowered
High-ESDprotectiononCANHandCANL,meetsIEC61000-4-2upto±8kV
Verylowstandbycurrent,10uA,typical
5Vstep-upconverter(XCL9142F40CER),400mAmaximum
CANterminatorresistorisnotincluded
CANGPIO:
Name Description Location
CAN_INT CANinterrupt P1.9
CAN_RST CANreset(LOW=resetfor100milliseconds) IOEX1.6
CAN_PWR 5Vboostconverterenable(HIGH=on) IOEX1.7
CAN_STBY CANstandbymode(HIGH=standby) IOEX0.2
CAN_RTS0 CABRTS0 IOEX1.4
CAN_RTS1 CANRTS1 IOEX1.2
CAN_RTS2 CANRTS2 IOEX1.3
CAN_CS CANSPIChipSelect CSDecoder7
CANH,CANLAbsoluteMaximumRatings:
Parameter Maximum
DCVoltageatCANH,CANL -58Vto+58V
TransientVoltageonCANH,CANL(ISO-7637) -150Vto+100V
ESDProtectiononCANHandCANLPins(IEC61000-4-2) ±8kV
ESDProtectiononCANHandCANLPins(IEC801;HumanBodyModel) ±8kV
CANTranceiverCharacteristics
Parameter Symbol Min Typ Max Unit Conditions
SupplyInputVoltage
V
DDA
5.0 V
SupplyCurrent
I
DD
5 10 mA
Recessive;V
TXD
=V
DDA
45 70 mA
Dominant;V
TXD
=0V
StandbyCurrent
I
DDS
5 15 µA
IncludesI
IO
CANH,CANLRecessiveBusOutput
Voltage
V
O(R)
2.0 2.5 3.0 V
V
TXD
=V
DDA
CANH,CANLBusOutputVoltagein
Standby
V
O(S)
-0.1 0.0 +0.1 V
STBY=V
TXD
=V
DDA
;Noload
RecessiveOutputCurrent
I
O(R)
-5 +5 mA
-24V<V
CAN
<+24V
CANH:DominantOutputVoltage
V
O(D)
2.75 3.5 4.5 V
T
XD
=0;R
L
=50to65Ω
CANL:DominantOutputVoltage
V
O(D)
0.5 1.5 2.25 V
R
L
=50to65Ω
Dominant:DifferentialOutputVoltage
V
O(DIFF)
1.5 2.0 3.0 V
T
XD
=V
SS
;R
L
=50to65Ω
CANSPECIFICATIONS