# US 11,451,067 B2 · Method, apparatus and system to enhance a device policy manager to manage devices based on battery condition > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,451,067 B2 - Document ID: US11451067B2 - Status: Granted - Kind: B2 - Application number: 15/847,862 - Filed: 2017-12-19 - Published: 2019-01-31 - Granted: 2022-09-20 - Earliest claimed: 2017-12-19 - Assignees: Intel Corporation - Applicants: Intel Corporation - Inventors: Rajaram Regupathy; Nirmala Bailur; Rajeev Muralidhar - Web page: https://patentgrep.com/patent/US11451067B2 ## CPC - H02J 7/485: {with provisions for charging different types of batteries} - G06F 13/385: {for adaptation of a particular data processing system to different peripheral devices} - H02J 7/342: {The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging (with circuits for polarity protection H02J7/68)} - H02J 7/40: characterised by the exchange of charge or discharge related data - H02J 7/42: with electronic devices having internal batteries, e.g. mobile phones - H02J 7/80: including monitoring or indicating arrangements - H02J 7/82: Control of state of charge [SOC] - G06F 1/266: {Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips} - G06F 13/42: Bus transfer protocol, e.g. handshake; Synchronisation - G06F 2213/0042: Universal serial bus [USB] - H02J 7/00: Circuit arrangements for charging or discharging batteries or for supplying loads from batteries - H02J 7/44: between battery management systems and power sources - H02J 7/443: {using passive battery identification means, e.g. resistors or capacitors (identification by mechanical connections H02J7/751)} - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract A method and device that implements communication over an interconnect to support improved power distribution over the interconnect. The device includes a controller to implement a device policy manager (DPM) to manage power allotment over the interconnect, and a battery feedback mechanism coupled to the controller, the battery feedback mechanism to detect a low or dead battery condition of a connected device over the interconnect and to indicate to the DPM to advertise a higher power charging level to the connected device. ## Claims ### Claim 1 A device to implement communication over an interconnect to support improved power distribution over the interconnect, the device comprising: a controller to implement a device policy manager (DPM) to manage power allotment over the interconnect, the controller to provide a default power over the interconnect to a connected device upon connection to the connected device, the connected device separate and remote from the device; and a battery feedback mechanism coupled to the controller, the battery feedback mechanism to detect a low or dead battery condition of the connected device over the interconnect and to indicate to the DPM to advertise a higher power charging level to the connected device, in response to a failure of the connected device to respond to communication from the controller. ### Claim 2 (depends on 1) The device of claim 1, wherein the battery feedback mechanism includes an analog to digital converter to monitor power consumption of the connected device by detecting analog signal conditions on a configuration channel (CC) signal line of the interconnect, where the interconnect is a Universal Serial Bus Type-C interconnect. ### Claim 3 (depends on 1) The device of claim 1, wherein the controller is configured to advertise a default power charging level over the interconnect and enable a default power level over the interconnect, and in response to the low or dead battery condition to advertise the higher power charging level and enable the higher power charging level on the interconnect. ### Claim 4 (depends on 1) The device of claim 1, wherein the interconnect is a Universal Serial Bus Type-C port. ### Claim 5 (depends on 1) The device of claim 1, wherein the power charging level is advertised by a resistance level (Rp) presented on the interconnect. ### Claim 6 (depends on 1) The device of claim 1, wherein the controller includes an emulator to emulate a connection over the interconnect when the device is not executing an operating system or basic input/output system to enable negotiation of the higher power charging level. ### Claim 7 (depends on 6) The device of claim 6, wherein the emulator monitors the interconnect for advertisements of power charging level. ### Claim 8 A method of a first device to manage power distribution over an interconnect, the method comprising: advertising, by the first device, a default power charging level and providing a default power on the interconnect upon connection with a connected device; determining whether the connected device has a dead or low power state by a battery feedback mechanism of the first device monitoring power consumption on the interconnect in response to a failure of the connected device to respond to communication and complete a connection over the interconnect with the first device; and increasing, by the first device, a power charging level on the interconnect in response to detecting the dead or low power state of the connected device. ### Claim 9 (depends on 8) The method of claim 8, wherein the battery feedback mechanism includes an analog to digital converter to monitor the power consumption of the connected device by detecting analog signal conditions on a configuration channel signal line of the interconnect. ### Claim 10 (depends on 8) The method of claim 8, further comprising: emulating the connection over the interconnect when the device is not executing an operating system or basic input/output system to enable negotiation of a higher power charging level. ### Claim 11 (depends on 8) The method of claim 8, further comprising: monitoring the interconnect for the advertisement of power charging level. ### Claim 12 (depends on 8) The method of claim 8, wherein the interconnect is a Universal Serial Bus Type-C port, and wherein the power charging level is advertised by a resistance level (Rp) presented on the interconnect.