See datasheet for actual packaging/pinout drawings

Package | PIN:

DRP | 6

Temp:

I (-40 to 85)

ECO Plan:

Green (RoHS & no Sb/Br)

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1 - 9 $ 1.30
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100 - 249 $ 0.94
250 - 499 $ 0.87
500 - 749 $ 0.73
750 - 999 $ 0.60
1000 - 9999 $ 0.55
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BQ26100DRPR-SHA-1/HMAC Based Security & Authentication IC w/SDQ Interface

The bq26100 device provides a method to authenticate battery packs, ensuring that only packs manufactured by authorized sub-contractors are used in the end application. The security is achieved using the SHA-1 hash function inside the widely adopted keyed-hash message authentication code (HMAC) construction. A unique 128-bit key is stored in each bq26100 device, allowing the host to authenticate each pack.

The bq26100 device communicates to the system over a simple one-wire bi-directional serial interface. The 5-kbits/s SDQ bus interface reduces communications overhead in the external microcontroller. The bq26100 device also derives power over the SDQ bus line via an external capacitor.

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