BQ2947_17 Datasheet, PDF (20/27 Pages) Texas Instruments – Overvoltage Protection for 2-Series to 4-Series Cell Li-Ion Batteries with External Delay Capacitor

bq2947
SLUSB15F – SEPTEMBER 2012 – REVISED JANUARY 2017
DSG0008B
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EXAMPLE STENCIL DESIGN
WSON - 0.8 mm max height
PLASTIC SMALL OUTLINE - NO LEAD
8X (0.5)
1
8X (0.25)
SYMM
SYMM
9
METAL
8
(0.45)
6X (0.5)
4
(R0.05) TYP
(0.9)
(1.9)
(0.7)
5
SOLDER PASTE EXAMPLE
BASED ON 0.125 mm THICK STENCIL
EXPOSED PAD 9:
87% PRINTED SOLDER COVERAGE BY AREA UNDER PACKAGE
SCALE:25X
4222124/B 07/2016
NOTES: (continued)
6. Laser cutting apertures with trapezoidal walls and rounded corners may offer better paste release. IPC-7525 may have alternate
design recommendations.
20
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