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diff --git a/sdq/README b/sdq/README new file mode 100644 index 0000000..a0a2aa3 --- /dev/null +++ b/sdq/README @@ -0,0 +1,14 @@ +------------------------------------------------------------------------ +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 |