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EMC1212 Schematic ( PDF Datasheet ) - SMSC Corporation

Teilenummer EMC1212
Beschreibung BBUS Compliant Dual Temperature Monitor
Hersteller SMSC Corporation
Logo SMSC Corporation Logo 




Gesamt 13 Seiten
EMC1212 Datasheet, Funktion
EMC1212
BBUS Compliant Dual
Temperature Monitor
with Beta Compensation
PRODUCT FEATURES
GENERAL DESCRIPTION
APPLICATIONS
The EMC1212 is a temperature sensor that
communicates with a host over a single-wire SMSC
BudgetBus™ Sensor Interface. The EMC1212 monitors
one internal diode and one remote temperature zone.
Packaged in a SOT23-5, the EMC1212 provides an
accurate, low-cost, low-current, solution for critical
temperature monitoring in applications such as
embedded systems or computers. When used in
combination with an SMSC Super I/O host, such as a
keyboard controller, a complete thermal management
system is created. A power down mode extends battery
life in portable applications. The internal 11-bit sigma
delta temperature-to-digital converter provides superb
linearity, high accuracy and excellent noise immunity.
The EMC1212 is designed to operate with 65nm or
90nm PNP substrate transistor used as a thermal diode
with the collector connected to ground.
„ Desktop and Notebook Computers
„ Hardware Management
FEATURES
„ Single Wire BBUS Interface
„ Resistance Error Correction
„ Beta Compensation
„ External Temperature Monitor
— 0.125°C resolution
— ±1°C Accuracy 60°C to 100°C
— Diode Fault Reporting
„ Internal Temperature Monitor
— Range 0°C to +85°C
— 0.125°C resolution
— ±1.5°C Accuracy 50°C to 70°C
„ Supply:
— 3.0V to 3.6V
— <5uA in Standby
SIMPLIFIED BLOCK DIAGRAM
EMC1212
Switching
Current
Local Temp
Diode
Datasheet
DP Beta
Comp
&
DN REC
Analog Mux
and
anti-aliasing
filter
11-bit
delta-sigma
ADC
Temperature
Registers
BBUS
Interface
BBUS
SMSC EMC1212
DATASHEET
Revision 1.1 (02-07-07)






EMC1212 Datasheet, Funktion
BBUS Compliant Dual Temperature Monitor with Beta Compensation
Datasheet
tRISE
tFALL
tPWRDN
tINACTIVE
'0'
tLOW
Figure 2.1 BudgetBus Bit Timing
'1'
tHIGH
Revision 1.1 (02-07-07)
6
DATASHEET
SMSC EMC1212

6 Page









EMC1212 pdf, datenblatt
Chapter 5 Package Drawing
3
D
6
N4
SEE D ETAIL "A"
R E VI SION
A
R EV IS IO N HISTO R Y
D ES CRIP TION
INITIAL RELEASE
DATE
7 /07 /04
RELEAS ED BY
S .K .ILIE V
3 E1
E
IN D EX AREA
(D /2 x E 1/2)
5
1
23
e
TO P VIEW
5X b 2 4
C
A2 A
SEATING PLANE
ccc C
SID E VIEW
A1
c4
EN D VIEW
H
GAUGE PLANE
0 .2 5
L
L1
0
D ETAIL "A" (SC ALE: 2/1)
NOTES:
1. "N " IS TH E TO TAL NU M BER OF LEADS .
2 . T R U E P O S IT IO N S P R E A D T O L E R A N C E IS ± 0 .10 m m A T M AXIMU M MAT ER IAL C O N D ITIO N .
3 . P A C K A G E B O D Y D IM E N S IO N "D " D O E S N O T IN C LU D E MOLD FLASH , PR O TR U SIO N S O R
G A T E B U R R S . M A X IM U M M O LD F LA S H , P R O T R U S IO N S O R G AT E BU R R S IS 0.25 m m PER
E N D . D IM E N S IO N "E 1" D O E S N O T IN C L U D E IN T ER LEAD F LAS H O R PR O T R U SIO N .
M A X IM U M IN T E R LE A D F LA S H O R P R O T R U S IO N IS 0 .25 m m PER SID E. "D 1" & "E1"
D IM E N S IO N S A R E D E T E R M IN E D AT D ATU M PLAN E "H ".
4 . D IM E N S IO N S "b " & "c " A P P L Y T O T H E F LA T S E C T IO N O F TH E LE AD BET W EE N 0.08 T O
0 .15 m m F R O M T H E LEAD TIP.
5 . D E T A ILS O F P IN 1 ID E N T IF IE R A R E O P T IO N A L , B U T M U ST BE LO C AT ED W ITH IN TH E
IN D E X A R E A IN D IC A T E D (SEE TO P VIEW ).
6. F IV E LEA D P AC KAG E IS A V ER SIO N O F 6 LEAD PA C K AGE, W HERE LEAD #5 HAS BEEN
REMOVED FROM 6 LEAD PACKAGE.
N = 5 LEADS
3-D V IEW S
N = 6 LEADS
UN LE S S O THE RW IS E S PE CIFIE D
DIM E NS I ONS AR E IN M ILL IM E TE RS
AND TO LERANCES ARE:
DECIMAL
X.X ± 0.1
X.XX ± 0.05
X.XXX ± 0.025
A NG ULAR
± 1°
D IM A ND TO L P ER A S M E Y 14 .5M - 19 94
M ATE R IAL
-
F IN ISH
-
P RIN T W ITH "S CA L E T O FIT"
DO NOT S CA LE DRAWING
T HIRD A NG LE P RO JE CT IO N
N AME
D RAWN
S .K .IL IEV
C HE CK ED
S .K .IL IEV
A P P R O VED
S .K .IL IEV
8 0 A R KA Y DRIV E
HAUP PAUGE, NY 11788
USA
D ATE
7 /0 6 /0 4
7 /0 6 /0 4
7 /0 7 /0 4
TITLE
PACKAGE OUTLINE: 5/6 PIN SOT
1.6mm BODY W IDT H, 0.95mm PITCH
D WG N UMBER
S CA LE
1:1
M O-5/6 SOT-2.9x1.6
S T D C O M PLIANCE
S H E ET
JEDEC: MO-178 / AA, AB
R EV
A
1 OF 1
Figure 5.1 EMC1212 Package Outline and Parameters

12 Page





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