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(parent: 643c820) | patch
Switch pyro series resistors to 1k
authorKeith Packard <keithp@keithp.com>
Sun, 28 Jul 2019 00:04:05 +0000 (17:04 -0700)
committerKeith Packard <keithp@keithp.com>
Sun, 28 Jul 2019 00:04:43 +0000 (17:04 -0700)
commitad8553c0952f73345f5a471e4ad97263f0a99daf
tree2551ed8f5b41484caa1978cc695acdf21921ad34tree | snapshot
parent643c820cc13975665f02a5f3f8a8f907cc533ff8commit | diff
Switch pyro series resistors to 1k

This limits the current through the comparator to 3.3mA when it fires
to make sure the gate voltage on the FET is low enough. The SI LM293
comparators are rated at 4mA current, unlike the TI parts which are
rated at 6mA, hence the move from 549 to 1k.

Signed-off-by: Keith Packard <keithp@keithp.com>
telemega.sch diff | blob | history
hex-channel flight computer with telemetry