MCP98243-BE/ST Microchip Technology, MCP98243-BE/ST Datasheet - Page 43

• Manufacturer Part Number: MCP98243-BE/ST
• Description: IC TEMP SENSOR 3V 2WIRE 8-TSSOP
• Manufacturer: Microchip Technology

Specifications of MCP98243-BE/ST

• Package / Case: 8-TSSOP
• Output Type: I²C™/SMBus™
• Function: Temp Monitoring System (Sensor)
• Topology: ADC (Sigma Delta), Register Bank
• Sensor Type: Internal
• Sensing Temperature: -40°C ~ 125°C
• Output Alarm: No
• Output Fan: Yes
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Temperature Threshold: + 125 C
• Full Temp Accuracy: 1 C
• Digital Output - Bus Interface: 2-Wire, SMBus, I2C
• Digital Output - Number Of Bits: 8 bit
• Supply Voltage (max): 6 V
• Supply Voltage (min): 1.8 V
• Description/function: Thermal Management ICs
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Supply Current: 100 uA to 1100 uA
• Ic Output Type: Digital
• Sensing Accuracy Range: ± 0.5°C
• Temperature Sensing Range: -40°C To +125°C
• Supply Voltage Range: 2.7V To 5.5V
• Sensor Case Style: TSSOP
• No. Of Pins: 8
• Rohs Compliant: Yes
• Resolution (bits): 8bit
• Supply Voltage Min: 3V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

5.4
The MCP9843/98243 has an internal Power-on Reset
(POR) circuit. If the power supply voltage V
down to the V
device resets the registers to the power-on default
settings.
Table 5-6
temperature sensor. The EEPROM resets the address
pointer to 0x00 hex.
TABLE 5-6:
© 2009 Microchip Technology Inc.
(Hexadecimal)
Address
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x07
0x08
Summary of Power-on Default
shows the power-on default summary for the
POR_TS
MCP9843/98243 TEMPERATURE SENSOR POWER-ON RESET DEFAULTS
Device ID/ Device Revision for
Device ID/ Device Revision for
Registers
and V
POR_EE
Manufacturer ID
Register Name
MCP98243
Resolution
Capability
MCP9843
CONFIG
T
T
T
LOWER
UPPER
CRIT
T
A
thresholds, the
DD
glitches
Data (Hexadecimal)
Default Register
0x00EF
0x0000
0x0000
0x0000
0x0000
0x0000
0x0054
0x2101
0x0001
0x01
MCP9843/98243
Event output de-asserts in shutdown
Measures temperature below 0°C
0.25°C Measurement Resolution
±1°C accuracy over active range
I
2
Temperature event output
C time out 25 ms to 35 ms.
Event and critical output
Continuous conversion
Accepts V
Register Description
Event limits unlocked
Critical limit unlocked
Event not asserted
Power-up Default
Comparator mode
Active-Low output
Interrupt cleared
Output disabled
0°C Hysteresis
0x0054 (hex)
0x2101 (hex)
0x0001 (hex)
0x01 (hex)
0°C
0°C
0°C
0°C
HV
DS22153C-page 43
at A0 Pin