G752
Global Mixed-mode Technology
High Accuracy Digital Temperature Sensor and
Thermal Watchdog with Two-Wire Interface
Features
General Description
SMBus interface
Programmable Trip Point (TOS) and Hysteresis
(THYST
The G752 is a temperature sensor, Delta-Sigma ana-
log-to-digital converter, and digital over- temperature
detector with SMBus interface. The host can query
the G752 at any time to read temperature. The
open-drain Over temperature Shutdown (O.S.) output
becomes active when the temperature exceeds a
programmable limit. This pin can operate in either
“Comparator” or “Interrupt” mode.
)
Separate open-drain output pin operates as
interrupt or comparator at output
Register readback capability
Power up defaults permit stand-alone opera-
tion as thermostat
Shutdown mode to minimize power consump-
tion
Up to 8 G752s can be connected to a single bus
The host can program both the temperature alarm
threshold (TOS) and the temperature at which the
alarm condition goes away (THYST). In addition, the
host can read back the contents of the G752’s TOS
and THYST registers. The sensor powers up in Com-
parator mode with default thresholds of 50°C TOS
45°C THYST. for G752-1 and 80°C TOS , 75°C THYST for
G752-2.
Key Specifications
Supply Voltage
Supply Current
3.0V to 5.5V
280µA (typ)
500µA (max)
10µA(typ)
operating
shutdown
Temperature Accuracy
Ordering Information
-10°C to 80°C ±1°C (max)
-55°C to 125°C ±3°C (max)
ORDER
NUMBER
G752P11U
G752P12U
G752P82U
G752KC2G
G752RD2U
PACKAGE
(Green)
MARKING
TOS THYST
Applications
G752-1
G752-2
G752-2
752-2
50°C/45°C
80°C/75°C
80°C/75°C
80°C/75°C
80°C/75°C
SOP-8
System Thermal Management
Personal Computers
Office Electronics
SOP-8
MSOP-8
TDFN3X2-8
TDFN3X3-8
Electronic Test Equipment
752-2
Note: P1: SOP-8 P8: MSOP-8 RD: TDFN3X3-8
KC:TDFN3X2-8
1 & 2: Bonding Code
U & G: Tape & Reel
Pin Configuration
Typical Application
G752
+Vs
A0
SMBDATA
1
8
+VS 3V to 5.5V
2
3
4
SMBCLK
O.S.
7
6
5
Typical Bypass 0.1µF
(Unless mounted close
to Processor)
A1
A2
GND
8
7
6
5
A0
A1
A2
SOP-8/MSOP-8
Address(Set as
desired)
G752
G752
3
To Processor
G752
4
SMBDATA
SMBCLK
O.S.
+Vs
1
2
3
8
1
2
3
8
+Vs
A0
Interrupt Line
SMBDATA
O.S. Out
1
2
SMBDATA
SMBCLK
A0
7
6
7
6
5
SMBCLK
Interface
Thermal
Pad
Thermal
Pad
A1
A1
O.S.
O.S. Set for active low for
wire OR’d multiple
interrupt line
A2
4
GND
A2
4
5
GND
TDFN3X2-8
TDFN3X3-8
Note: Recommend connecting the Thermal Pad to the Ground or let it keep floating.
TEL: 886-3-5788833
http://www.gmt.com.tw
Ver: 1.3
Jul 04, 2013
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