SE97BTP,547 NXP Semiconductors, SE97BTP,547 Datasheet - Page 48

• Manufacturer Part Number: SE97BTP,547
• Description: IC TEMP SENSOR DIMM 8HWSON
• Manufacturer: NXP Semiconductors

Specifications of SE97BTP,547

• Package / Case: 8-WSON (Exposed Pad), 8-HWSON
• Function: Temp Monitoring System (Sensor)
• Topology: ADC (Sigma Delta), Comparator, Register Bank
• Sensor Type: Internal
• Sensing Temperature: -40°C ~ 125°C
• Output Type: I²C™/SMBus™
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Temperature Threshold: + 150 C
• Full Temp Accuracy: 2 C
• Digital Output - Bus Interface: I2C
• Digital Output - Number Of Bits: 11 bit
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 3 V
• Description/function: Temperature Sensor
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 568-5055-2

NXP Semiconductors
SE97B_1
Product data sheet
13.4 Reflow soldering
Key characteristics in reflow soldering are:
Table 33.
Table 34.
Moisture sensitivity precautions, as indicated on the packing, must be respected at all
times.
Studies have shown that small packages reach higher temperatures during reflow
soldering, see
Package thickness (mm)
< 2.5
≥ 2.5
Package thickness (mm)
< 1.6
1.6 to 2.5
> 2.5
•
•
•
Lead-free versus SnPb soldering; note that a lead-free reflow process usually leads to
higher minimum peak temperatures (see
reducing the process window
Solder paste printing issues including smearing, release, and adjusting the process
window for a mix of large and small components on one board
Reflow temperature profile; this profile includes preheat, reflow (in which the board is
heated to the peak temperature) and cooling down. It is imperative that the peak
temperature is high enough for the solder to make reliable solder joints (a solder paste
characteristic). In addition, the peak temperature must be low enough that the
packages and/or boards are not damaged. The peak temperature of the package
depends on package thickness and volume and is classified in accordance with
Table 33
SnPb eutectic process (from J-STD-020C)
Lead-free process (from J-STD-020C)
and
Figure
34
42.
Rev. 01 — 27 January 2010
Package reflow temperature (°C)
Volume (mm
< 350
235
220
Package reflow temperature (°C)
Volume (mm
< 350
260
260
250
DDR memory module temp sensor with integrated SPD
3
3
)
)
Figure
350 to 2000
260
250
245
42) than a SnPb process, thus
≥ 350
220
220
245
> 2000
260
245
© NXP B.V. 2010. All rights reserved.
SE97B
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