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Teilenummer | EMC1212 |
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Beschreibung | BBUS Compliant Dual Temperature Monitor | |
Hersteller | SMSC Corporation | |
Logo | ||
Gesamt 13 Seiten 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)
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 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 | ||
Seiten | Gesamt 13 Seiten | |
PDF Download | [ EMC1212 Schematic.PDF ] |
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