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LM64 Datasheet(PDF) 34 Page - Texas Instruments

Part # LM64
Description  LM64 ±1°C Remote Diode Temperature Sensor with PWM Fan Control and 5 GPIOs
PDF  42 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

LM64 Datasheet(HTML) 34 Page - Texas Instruments

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8.2 Typical Application
C6
LM64
VDD
SMBCLK
SMBDAT
PWM
GND
D+
D-
TACH
ALERT
GPIO3
GPIO2
GPIO1
GPIO4
GPIO5
VDD
VDD
To SMBus
interface
control
circuitry
Fan V+
Fan V-
R1
R2
R3
R4
R5
R6
R7
R8
R9 R10
R11 R12 R13 R14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
C4
C5
T_CRIT
A0
R15
R16
R17
R18
Q2
Q1
Thermal Diode
on-board
Processor Die
R1 - R10; R15 = 10 k:
R17 = 430:
R18 = 10:
R11, R12 = 1.5 k:
C1 = 10 PF electrolytic
C2, C5 = 0.1 PF ceramic
C3 = 100 pF ceramic
C4 = 2.2 PF electrolytic
C3
C1
C2
Q2 = MMBT3904
S5
S4
S3
S2
S1
S1 - S5 = SPST Switch
C6 = 2.2 nF ceramic
R13, R14, R16 = 3 k:
LM64
SNAS207B – MAY 2004 – REVISED JANUARY 2024
www.ti.com
34
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Product Folder Links: LM64



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