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| BQ40Z50-R1 Datasheet, PDF (45/55 Pages) Texas Instruments – Li-Ion Battery Pack Manager | |||
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www.ti.com
bq40z50-R1
SLUSCB3 â JULY 2015
Layout Guidelines (continued)
11.1.2 ESD Spark Gap
Protect SMBus Clock, Data, and other communication lines from ESD with a spark gap at the connector. The
pattern in Figure 48 recommended, with 0.2-mm spacing between the points.
Figure 48. Recommended Spark-Gap Pattern Helps Protect Communication Lines from ESD
11.2 Layout Example
CHARGE
AND
DISCHARGE
PATH
2ND LEVEL
PROTECTOR
CURRENT
FILTER
SENSE
RESISTOR
THERMISTORS
LEDS
Figure 49. Top Layer
Figure 50. Internal Layer 1
Copyright © 2015, Texas Instruments Incorporated
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