summaryrefslogtreecommitdiff
path: root/sdq/README
blob: a0a2aa3c1e53558362b34bd0b1d78610d8e02a5f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
------------------------------------------------------------------------
SDQ (Texas Instruments, battery authentication)
------------------------------------------------------------------------

See https://www.ti.com/lit/ds/symlink/bq26100.pdf for the Texas Instruments
bq26100 battery pack authentication. Apple uses SDQ in devices like MagSafe
or Lightning connectors, as well as in some batteries.

Logic analyzer setup
--------------------

  Probe      Signal
  -----------------
  0          SDQ