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Sender: "piclist-bounces@mit.edu" Date: Wed, 29 Apr 2020 11:07:43 -0700 Subject: Re: [EE] Voltage regulator with high input voltage Thread-Topic: [EE] Voltage regulator with high input voltage Thread-Index: AdYeUpFdQKxavBy3RD6wJUHjC9sIuA== Message-ID: References: <20200428194448.GA6891@clayton.edu> List-Help: List-Subscribe: , List-Unsubscribe: , In-Reply-To: Reply-To: Microcontroller discussion list - Public. Accept-Language: en-US X-MS-Exchange-Organization-AuthAs: Anonymous X-MS-Exchange-Organization-AuthSource: TS500.efplus4.local X-MS-Has-Attach: X-Auto-Response-Suppress: All X-MS-Exchange-Organization-SenderIdResult: Pass X-MS-Exchange-Organization-PRD: mit.edu X-MS-TNEF-Correlator: received-spf: Pass (protection.outlook.com: domain of gmail.com designates 209.85.218.43 as permitted sender) receiver=protection.outlook.com; client-ip=209.85.218.43; helo=mail-ej1-f43.google.com; dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=pCUW9SHWOARtNUny7BCl4GhfvbKhPM247lnD8SQLUQQ=; b=GN1mgQVbJBgnefOJHpo91saQKa7QNaiUXQOo3NpnSsZrsEXfSATl/ucxYXG8HRGLYm 6zJXTn8yHY0axQRTew9WTKyixV7oRGDXBlbKIL4Z9byblwgPsX3XHlWtKc0mR9toUyXm hBcurjkj8S82vXvav1Hjw53RvUzPNV5zL8L6h3XwvoTPQSGLO5pHs/KT+AcxMb6d4evX Gs0QQqI8x4PJ5YHie1YMjlDHINKDyNG87oEp9Awh3hEhqBhmDOcRlmOdnsStolCI5CEA M6R3ugQRC1wuvGLi7UjRToB11aLxOfgsWX9Z5n5X5/uWJ7cy3V+ec+dTeO/CtrFT0xjJ TJfw== authentication-results: spf=pass (sender IP is 209.85.218.43) smtp.mailfrom=gmail.com; mit.edu; dkim=pass (signature was verified) header.d=gmail.com;mit.edu; dmarc=pass action=none header.from=gmail.com;compauth=pass reason=100 errors-to: piclist-bounces@mit.edu list-id: "Microcontroller discussion list - Public." list-post: x-beenthere: piclist@mit.edu x-mailman-version: 2.1.6 x-received: by 2002:a17:906:5608:: with SMTP id f8mr3968725ejq.190.1588183672696; Wed, 29 Apr 2020 11:07:52 -0700 (PDT) x-topics: [EE] x-content-filtered-by: Mailman/MimeDel 2.1.6 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 TL783 is the suitable __________________________________________ David C Brown 43 Bings Road Whaley Bridge High Peak Phone: 01663 733236 Derbyshire eMail: dcb.home@gmail.com SK23 7ND web: www.bings-knowle.co.uk/dcb *Sent from my etch-a-sketch* On Wed, 29 Apr 2020 at 16:51, Clint Jay wrote: > I assume this is a solved problem now, but there was a range of high inpu= t > voltage regulators, TL752 is one that comes to mind? > > On Wed, 29 Apr 2020, 15:51 David C Brown, wrote: > > > How is that superior to the solution that Denny proposed in the first > > reply? > > > > __________________________________________ > > David C Brown > > 43 Bings Road > > Whaley Bridge > > High Peak Phone: 01663 733236 > > Derbyshire eMail: dcb.home@gmail.com > > SK23 7ND web: www.bings-knowle.co.uk/dcb > > > > > > > > > > *Sent from my etch-a-sketch* > > > > > > On Tue, 28 Apr 2020 at 20:47, Byron Jeff wrote: > > > > > Personally I wouldn't spend any effort on this. Just buy something > like a > > > uxcell golf cart power converter. It's overkill. But it solves the > > problem > > > in 5 seconds flat. It's waterproof too. > > > > > > BAJ > > > > > > On Mon, Apr 27, 2020 at 06:24:16PM +0100, David C Brown wrote: > > > > I am designing a current monitor for my e-bike. Using an INA169 hi > > side > > > > current senor into a mid range PIC with a two digit LED display. > > > > > > > > Problem is getting the 5 volts for the PIC from the e bike battery > > which > > > is > > > > nominally 36v but can rise to over 40 volts when fully charged. Mo= st > > > small > > > > linear regulators seem to be rated at 36v.. > > > > > > > > Current would be a couple of milliamps with the display off (most o= f > > the > > > > time). Nearer 100 with the display on.. > > > > > > > > Any suggestions > > > > > > > > > > > > __________________________________________ > > > > David C Brown > > > > 43 Bings Road > > > > Whaley Bridge > > > > High Peak Phone: 01663 733236 > > > > Derbyshire eMail: dcb.home@gmail.com > > > > SK23 7ND web: www.bings-knowle.co.uk/dcb > > > > > > > > > > > > > > > > > > > > *Sent from my etch-a-sketch* > > > > -- > > > > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > > > > View/change your membership options at > > > > http://mailman.mit.edu/mailman/listinfo/piclist > > > > > > -- > > > Byron A. Jeff > > > Associate Professor: Department of Computer Science and Information > > > Technology > > > College of Information and Mathematical Sciences > > > Clayton State University > > > http://faculty.clayton.edu/bjeff > > > -- > > > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > > > View/change your membership options at > > > http://mailman.mit.edu/mailman/listinfo/piclist > > > > > -- > > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > > View/change your membership options at > > http://mailman.mit.edu/mailman/listinfo/piclist > > > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .