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M4Z28-BR00SH1 Dataheets PDF



Part Number M4Z28-BR00SH1
Manufacturers ST Microelectronics
Logo ST Microelectronics
Description ZEROPOWER SNAPHAT Battery
Datasheet M4Z28-BR00SH1 DatasheetM4Z28-BR00SH1 Datasheet (PDF)

M4ZXX-BR00SH ZEROPOWER SNAPHAT (Battery) s Provides Battery Backup Power for Non-Volatile ZEROPOWERs and Controllers in the SNAPHAT SOIC Package Removable Battery Avoids Heat Associated with Surface Mount Process Snaps Directly onto Surface-Mounted SNAPHAT SOIC Choice of Battery Capacities – M4Z28-BR00SH = 48 mAh – M4Z32-BR00SH = 120 mAh SNAPHAT (SH) Battery s s s s s Keyed Insertion to Insure Proper Assembly Removable for Replacement and Proper Disposal Available in Tubes or Tape & Reel F.

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M4ZXX-BR00SH ZEROPOWER SNAPHAT (Battery) s Provides Battery Backup Power for Non-Volatile ZEROPOWERs and Controllers in the SNAPHAT SOIC Package Removable Battery Avoids Heat Associated with Surface Mount Process Snaps Directly onto Surface-Mounted SNAPHAT SOIC Choice of Battery Capacities – M4Z28-BR00SH = 48 mAh – M4Z32-BR00SH = 120 mAh SNAPHAT (SH) Battery s s s s s Keyed Insertion to Insure Proper Assembly Removable for Replacement and Proper Disposal Available in Tubes or Tape & Reel For Use with the 28 pin SOIC Version of the ZEROPOWER Product Families Figure 1. Logic Diagram s s DESCRIPTION The M4Zxx-BR00SH SNAPHAT top is a detachable lithium power source for ST’s nonvolatile ZEROPOWER surface mount SOIC (MH) package (28 pin). The SNAPHAT top contains a lithium battery and is designed to be "snapped on" after the SOIC is surface mounted on the PC board. Thus the two piece solution prevents the battery from having to be exposed to the high temperatures of the surface mount process. SNAPHAT VBAT– VBAT+ AI02525 November 1999 1/7 M4ZXX-BR00SH MECHANICAL INFORMATION Electrical connection to the SOIC is made through two pins that connect to the press fitted sockets at one end of the SOIC. Critical contact points between the pins and sockets are gold-plated to resist oxidation. Internally, each socket contains six independent contact fingers to form redundant connections between the two components. These sockets were designed to provide high point contact force to provide the lowest possible contact resistance. The SNAPHAT top also incorporates four molded-in retaining clips which hold onto the ends of the SOIC insuring mechanical and electrical connection even under severe mechanical shock and vibration. The combined SOIC and SNAPHAT assembly can sustain shock levels in excess of 100 g without separating. This package also passes variable frequency testing in accordance with MIL-STD-883, method 2007.2, condition A. Figure 2 illustrates the affect of repeated insertion and extraction of the SNAPHAT top to the SOIC. The force required to extract the SNAPHAT, and then to re-insert it, reduces each time. After three or four extractions, though, the reduction starts to become unnoticeable, and the force required remains at a fairly constant figure. Typically, though, the SNAPHAT will only need to be extracted and re-inserted once in its lifetime. BATTERY CHARACTERISTICS Figure 3 illustrates the lithium coin cell discharge rate for a given load. This demonstrates the charFigure 2. SNAPHAT Insertion/Extraction Forces 20 Table 1. Description Parameter Operating Temperature Storage Temperature Nominal Battery Voltage Nominal Battery Capacity Battery Chemistry Value 1 = 0 to 70 °C 6 = –40 to 85 °C –40 to 85 °C 2.8 V 48 mAh 120 mAh Li(CF)x M4Z28 M4Z32 acteristically flat voltage level supplied by the battery until very near the end of its life. These discharge levels have been greatly accelerated in comparison to the normal, actual usage. UL RECOGNITION The M4Zxx-BR00SH has been recognized by Underwriters Laboratories under their Component Recognition Program and carries U.L. File Number E89556. BATTERY LIFE For information on Data Retention Life and Battery Storage Life, please refer to the Application Note AN1012. 7.5 5 Average Insertion Force Average Extraction Force Force (pounds) 12.5 10 7.5 5 2.5 0 1 2 3 4 5 6 7 8 9 10 Number of Extractions AI02526 2/7 M4ZXX-BR00SH Figure 3. Battery Discharge Rates 3.5 3.0 Voltage (V) 2.5 2.0 1.5 1.0 0 LOAD CHARACTERISTICS Temp: 20˚C 15kΩ 30kΩ 100kΩ 200 400 600 800 1000 1200 1400 1600 1800 2000 Duration (hrs.) (A) 3.5 3.0 Voltage (V) 2.5 2.0 1.5 1.0 0 LOAD CHARACTERISTICS Temp: 20˚C 15kΩ 30kΩ 50kΩ 100kΩ 1000 2000 3000 4000 5000 6000 Duration (hrs.) (B) AI02519 GENERAL NOTES To remove the SNAPHAT top for replacement, a DIP/IC extractor tool should be used. Caution: To avoid draining battery do NOT place SNAPHAT pins in a conductive foam. Caution:Tto avoid damaging SNAPHAT sockets do NOT wave solder SOIC. For battery disposal information, see on the web at www.rayovac.com . Figure 4. DIP Extractor Tool AI02527 3/7 M4ZXX-BR00SH Table 2. Ordering Information Scheme Example: Product Family M4Z = SNAPHAT Battery Battery Voltage & Capacity 28-BR00 = BR1225, 3 V, 48 mAh 32-BR00 = BR1632, 3 V, 120 mAh Package SH = SNAPHAT Temperature Range 1 = 0 to 70 °C 6 = –40 to 85 °C M4Z28-BR00 SH 1 For further information on any aspect of this device, please contact the STMicroelectronics Sales Office nearest to you. 4/7 M4ZXX-BR00SH Table 3. M4Z28-BR00SH - ZEROPOWER 4-pin SNAPHAT Housing for 48 mAh Battery, Package Mechanical Data mm Symb Typ A A1 A2 A3 B D E eA eB L 0.46 21.21 14.22 15.55 3.20 2.03 6.73 6.48 Min Max 9.78 7.24 6.99 0.38 0.56 21.84 14.99 15.95 3.61 2.29 0.018 0.835 0.560 0.612 0.126 0.080 0.265 0.255 Typ Min Max 0.385 0.285 0.275 0.015 0.022 0.860 0.590 0.628 0.142 0.090 inches Figure 5. M4Z28-BR00SH - ZEROPOWER 4-pin SNAPH.


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