BQ48SH-28X6NSH datasheet
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BQ48SH-28X6NSH Texas Instruments
Texas Instruments
Texas Instruments Incorporated (TI) is a global semiconductor powerhouse, crafts advanced analog ICs and embedded processors. Fueled by top-tier minds, TI's innovations drive tech's future, impacting 100,000+ clients.
View All Product from Texas InstrumentsThe bq48SH–28x6 is the top section suitable for anySOIC (DSH) packaged IC including the bq4802YDSHor bq4802LYDSH parallel real-time clock (RTC) andNVSRAM controller.The fully integrated SNAPHAT includes a 6-pF watchcrystal and lithium coin cell with 48 mAh of capacity.The SNAPHAT is designed to be attached after theDSH packaged base SOIC has been solderedpreventing the battery and crystal being over-stressedby the soldering temperatures.CONNECTION DIAGRAMS
connectionsThe SOIC (DSH) is connected to the SNAPHAT containing the battery and crystal through four pins that insertinto four press-fitted sockets in the SOIC (DSH) where the contact area is gold platted. Each of the socketsinternally contains six independent contacts to ensure solid reliable connectivity and minimize contactresistance.Four molded retaining clips on the SNAPHAT also help fasten the SOIC (DSH), ensuring mechanical andelectrical connection even under severe mechanical shock and vibration. The combined SOIC (DSH) andSNAPHAT assembly can sustain shock levels in excess of 100 g without separating. This package also passesvariable frequency testing in accordance with MIL–STD–883, method 2007.2, condition A.Figure 1 illustrates the effect of repeated insertion and extraction of the SNAPHAT top to the SOIC (DSH). Theforce required to extract the SNAPHAT, and then to re-insert it, reduces each time. After three or fourextractions, though, the reduction starts to become unnoticeable, and the force required remains at a fairlyconstant figure. Typically, though, the SNAPHAT needs to be extracted and re-inserted only once in its lifetime.Figure 1. SNAPHAT Insertion and Extraction Forces
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TYPE | DESCRIPTION | Select all |
---|---|---|
Frequency | 32.768 kHz | |
Load Capacitance | 6 pF | |
Operating Temperature | 0°C ~ 70°C (TA) | |
Series | Snaphat® | |
Package | Tube | |
Product Status | Obsolete | |
Type | Battery and Crystal | |
Battery Chemistry | Lithium | |
Capacity | 48mAh | |
Voltage - Rated | 2.8 V |
Texas Instruments
Texas Instruments Incorporated (TI) is a global semiconductor powerhouse, crafts advanced analog ICs and embedded processors. Fueled by top-tier minds, TI's innovations drive tech's future, impacting 100,000+ clients.
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