.Fsphinx.addnodesdocument)}( rawsourcechildren]( translations LanguagesNode)}(hhh](h pending_xref)}(hhh]docutils.nodesTextChinese (Simplified)}parenthsba attributes}(ids]classes]names]dupnames]backrefs] refdomainstdreftypedoc reftarget#/translations/zh_CN/hwmon/stef48h28modnameN classnameN refexplicitutagnamehhh ubh)}(hhh]hChinese (Traditional)}hh2sbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget#/translations/zh_TW/hwmon/stef48h28modnameN classnameN refexplicituh1hhh ubh)}(hhh]hItalian}hhFsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget#/translations/it_IT/hwmon/stef48h28modnameN classnameN refexplicituh1hhh ubh)}(hhh]hJapanese}hhZsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget#/translations/ja_JP/hwmon/stef48h28modnameN classnameN refexplicituh1hhh ubh)}(hhh]hKorean}hhnsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget#/translations/ko_KR/hwmon/stef48h28modnameN classnameN refexplicituh1hhh ubh)}(hhh]hPortuguese (Brazilian)}hhsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget#/translations/pt_BR/hwmon/stef48h28modnameN classnameN refexplicituh1hhh ubh)}(hhh]hSpanish}hhsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget#/translations/sp_SP/hwmon/stef48h28modnameN classnameN refexplicituh1hhh ubeh}(h]h ]h"]h$]h&]current_languageEnglishuh1h hh _documenthsourceNlineNubhcomment)}(h SPDX-License-Identifier: GPL-2.0h]h SPDX-License-Identifier: GPL-2.0}hhsbah}(h]h ]h"]h$]h&] xml:spacepreserveuh1hhhhhh=/var/lib/git/docbuild/linux/Documentation/hwmon/stef48h28.rsthKubhsection)}(hhh](htitle)}(hKernel driver stef48h28h]hKernel driver stef48h28}(hhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhhhhhKubh paragraph)}(hSupported chips:h]hSupported chips:}(hhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhhhhubh block_quote)}(h* Analog Devices STEF48H28 Prefix: 'stef48h28' Addresses scanned: - Datasheet: https://www.st.com/resource/en/data_brief/stef48h28.pdf h]h bullet_list)}(hhh]h list_item)}(hAnalog Devices STEF48H28 Prefix: 'stef48h28' Addresses scanned: - Datasheet: https://www.st.com/resource/en/data_brief/stef48h28.pdf h](h)}(hAnalog Devices STEF48H28h]hAnalog Devices STEF48H28}(hhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhhubh)}(hPrefix: 'stef48h28'h]hPrefix: ‘stef48h28’}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK hhubh)}(hAddresses scanned: -h]hAddresses scanned: -}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK hhubh)}(hBDatasheet: https://www.st.com/resource/en/data_brief/stef48h28.pdfh](h Datasheet: }(hj(hhhNhNubh reference)}(h7https://www.st.com/resource/en/data_brief/stef48h28.pdfh]h7https://www.st.com/resource/en/data_brief/stef48h28.pdf}(hj2hhhNhNubah}(h]h ]h"]h$]h&]refurij4uh1j0hj(ubeh}(h]h ]h"]h$]h&]uh1hhhhKhhubeh}(h]h ]h"]h$]h&]uh1hhhubah}(h]h ]h"]h$]h&]bullet*uh1hhhhKhhubah}(h]h ]h"]h$]h&]uh1hhhhKhhhhubh)}(hAuthor:h]hAuthor:}(hj[hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhhhhubh)}(h(- Charles Hsu h]h)}(hhh]h)}(h&Charles Hsu h]h)}(h$Charles Hsu h](h Charles Hsu <}(hjthhhNhNubj1)}(hhsu.yungteng@gmail.comh]hhsu.yungteng@gmail.com}(hj|hhhNhNubah}(h]h ]h"]h$]h&]refurimailto:hsu.yungteng@gmail.comuh1j0hjtubh>}(hjthhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhjpubah}(h]h ]h"]h$]h&]uh1hhjmubah}(h]h ]h"]h$]h&]jS-uh1hhhhKhjiubah}(h]h ]h"]h$]h&]uh1hhhhKhhhhubh)}(hhh](h)}(h Descriptionh]h Description}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhKubh)}(hThe STEF48H28 is a 30 A integrated e-fuse for 9-80 V DC power rails. It provides inrush control, undervoltage/overvoltage lockout and overcurrent protection using an adaptive (I x t) scheme that permits short high-current pulses typical of CPU/GPU loads.h]hThe STEF48H28 is a 30 A integrated e-fuse for 9-80 V DC power rails. It provides inrush control, undervoltage/overvoltage lockout and overcurrent protection using an adaptive (I x t) scheme that permits short high-current pulses typical of CPU/GPU loads.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjhhubh)}(hThe device offers an analog current-monitor output and an on-chip temperature-monitor signal for system supervision. Startup behavior is programmable through insertion-delay and soft-start settings.h]hThe device offers an analog current-monitor output and an on-chip temperature-monitor signal for system supervision. Startup behavior is programmable through insertion-delay and soft-start settings.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjhhubh)}(hAdditional features include power-good indication, self-diagnostics, thermal shutdown and a PMBus interface for telemetry and status reporting.h]hAdditional features include power-good indication, self-diagnostics, thermal shutdown and a PMBus interface for telemetry and status reporting.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK!hjhhubeh}(h] descriptionah ]h"] descriptionah$]h&]uh1hhhhhhhhKubh)}(hhh](h)}(hPlatform data supporth]hPlatform data support}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhK&ubh)}(h8The driver supports standard PMBus driver platform data.h]h8The driver supports standard PMBus driver platform data.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK(hjhhubeh}(h]platform-data-supportah ]h"]platform data supportah$]h&]uh1hhhhhhhhK&ubh)}(hhh](h)}(h Sysfs entriesh]h Sysfs entries}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhK+ubhtable)}(hhh]htgroup)}(hhh](hcolspec)}(hhh]h}(h]h ]h"]h$]h&]colwidthKuh1j.hj+ubj/)}(hhh]h}(h]h ]h"]h$]h&]colwidthK8uh1j.hj+ubhtbody)}(hhh](hrow)}(hhh](hentry)}(hhh]h)}(h in1_labelh]h in1_label}(hjShhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK.hjPubah}(h]h ]h"]h$]h&]uh1jNhjKubjO)}(hhh]h)}(h"vin".h]h “vin”.}(hjjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK.hjgubah}(h]h ]h"]h$]h&]uh1jNhjKubeh}(h]h ]h"]h$]h&]uh1jIhjFubjJ)}(hhh](jO)}(hhh]h)}(h in1_inputh]h in1_input}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK/hjubah}(h]h ]h"]h$]h&]uh1jNhjubjO)}(hhh]h)}(h)Measured voltage. From READ_VIN register.h]h)Measured voltage. From READ_VIN register.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK/hjubah}(h]h ]h"]h$]h&]uh1jNhjubeh}(h]h ]h"]h$]h&]uh1jIhjFubjJ)}(hhh](jO)}(hhh]h)}(hin1_minh]hin1_min}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK0hjubah}(h]h ]h"]h$]h&]uh1jNhjubjO)}(hhh]h)}(h1Minimum Voltage. From VIN_UV_WARN_LIMIT register.h]h1Minimum Voltage. From VIN_UV_WARN_LIMIT register.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK0hjubah}(h]h ]h"]h$]h&]uh1jNhjubeh}(h]h ]h"]h$]h&]uh1jIhjFubjJ)}(hhh](jO)}(hhh]h)}(hin1_maxh]hin1_max}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK1hjubah}(h]h ]h"]h$]h&]uh1jNhjubjO)}(hhh]h)}(h1Maximum voltage. From VIN_OV_WARN_LIMIT register.h]h1Maximum voltage. From VIN_OV_WARN_LIMIT register.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK1hj ubah}(h]h ]h"]h$]h&]uh1jNhjubeh}(h]h ]h"]h$]h&]uh1jIhjFubjJ)}(hhh](jO)}(hhh]h)}(h in2_labelh]h in2_label}(hj/hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK3hj,ubah}(h]h ]h"]h$]h&]uh1jNhj)ubjO)}(hhh]h)}(h"vout1".h]h “vout1”.}(hjFhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK3hjCubah}(h]h ]h"]h$]h&]uh1jNhj)ubeh}(h]h ]h"]h$]h&]uh1jIhjFubjJ)}(hhh](jO)}(hhh]h)}(h in2_inputh]h in2_input}(hjfhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK4hjcubah}(h]h ]h"]h$]h&]uh1jNhj`ubjO)}(hhh]h)}(h*Measured voltage. From READ_VOUT register.h]h*Measured voltage. From READ_VOUT register.}(hj}hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK4hjzubah}(h]h ]h"]h$]h&]uh1jNhj`ubeh}(h]h ]h"]h$]h&]uh1jIhjFubjJ)}(hhh](jO)}(hhh]h)}(hin2_minh]hin2_min}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK5hjubah}(h]h ]h"]h$]h&]uh1jNhjubjO)}(hhh]h)}(h2Minimum Voltage. From VOUT_UV_WARN_LIMIT register.h]h2Minimum Voltage. From VOUT_UV_WARN_LIMIT register.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK5hjubah}(h]h ]h"]h$]h&]uh1jNhjubeh}(h]h ]h"]h$]h&]uh1jIhjFubjJ)}(hhh](jO)}(hhh]h)}(hin2_maxh]hin2_max}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK6hjubah}(h]h ]h"]h$]h&]uh1jNhjubjO)}(hhh]h)}(h2Maximum voltage. From VOUT_OV_WARN_LIMIT register.h]h2Maximum voltage. From VOUT_OV_WARN_LIMIT register.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK6hjubah}(h]h ]h"]h$]h&]uh1jNhjubeh}(h]h ]h"]h$]h&]uh1jIhjFubjJ)}(hhh](jO)}(hhh]h)}(hcurr1_label "iin".h]hcurr1_label “iin”.}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK8hjubah}(h]h ]h"]h$]h&]uh1jNhjubjO)}(hhh]h)}(h5curr1_input Measured current. From READ_IIN register.h]h5curr1_input Measured current. From READ_IIN register.}(hj"hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK8hjubah}(h]h ]h"]h$]h&]uh1jNhjubeh}(h]h ]h"]h$]h&]uh1jIhjFubjJ)}(hhh](jO)}(hhh]h)}(hcurr2_label "iout1".h]hcurr2_label “iout1”.}(hjBhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK:hj?ubah}(h]h ]h"]h$]h&]uh1jNhj<ubjO)}(hhh]h)}(h6curr2_input Measured current. From READ_IOUT register.h]h6curr2_input Measured current. From READ_IOUT register.}(hjYhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK:hjVubah}(h]h ]h"]h$]h&]uh1jNhj<ubeh}(h]h ]h"]h$]h&]uh1jIhjFubjJ)}(hhh](jO)}(hhh]h)}(h power1_labelh]h power1_label}(hjyhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK