Datasheet

1
2
3
4
8
7
6
5
LM95235
C1
100 pF
R1
1.3k
SMBDAT
SMBCLK
V
DD
GND
OS/A0
SMBCLK
SMBDATD+
D-
T_CRIT
Processor
+3.3V
Standby
ALERT
SMI
Place close to
LM95235
Power Supply
Shutdown Control
Main CPU
Voltage
SMBus
Master
C2
100 pF
C4
10 µF
C3
0.1 µF
Place capacitor C2
close to LM95235
R4
1.3k
R3
1.3k
R2
1.3k
LM95235
LM95235-Q1
www.ti.com SNIS142F –APRIL 2006–REVISED MARCH 2013
Table 1. Pin Descriptions
Pin
Name Type Description
Number
Device power supply. Requires bypass capacitor of 10 µF in parallel with 0.1 µF and 100
1 V
DD
Power
pF. Place 100 pF closest to device pin.
2 D+ Analog Input/Output Positive input from the thermal diode.
3 D- Analog Input/Output Negative input from the thermal diode.
4 T_CRIT Digital Output Critical temperature output. Open-drain output requires pull-up resistor. Active low.
5 GND Ground Device ground.
Over-temperature shutdown comparator output or SMBus slave address input. Defaults
as an SMBus slave address input that selects one of three addresses. Can be tied to
6 OS/A0 Digital Input/Output
V
DD
, GND, or to the middle of a resistor divider connected between V
DD
and GND. When
programmed as an OS comparator output it is active low and open drain.
7 SMBDAT Digital Input/Output SMBus interface data pin. Open-drain output requires pull-up resistor.
8 SMBCLK Digital Input SMBus interface clock pin.
Typical Application
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