Orin, we agree normal practice is to parallel capacitor(s)
across battery; and part of analysis is determining
determining minimum acceptable value for battery system with
specific transient loads. Thanks, Ivor
On 2/15/2017 10:21 PM, Orin Laney wrote:
IMHO, if you include a capacitor across the battery as is normal practice
for a PDN, then at MHz frequencies the HF capacitor impedance is what
matters.
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On
Behalf Of Ivor Bowden
Sent: Wednesday, February 15, 2017 9:39 PM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Battery impedance
Hi all, I'm doing PDN analysis on mobile battery powered device and
considering how to model the battery as voltage source. Data sheets for
these types of batteries typically have specification for DC impedance
and/or AC @ 1KHz impedance, but I need impedance profile data to several
MHz.
Any ideas or resource links about this? Thanks, Ivor
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