A computer-implemented method for detecting soft short circuits at a charging interface of an electronic device is provided. The method includes obtaining an initial voltage measurement of a voltage reference that is electrically coupled to the charging interface of the electronic device. The method includes obtaining a plurality of additional voltage measurements of the voltage reference. The method includes detecting a soft short circuit at the charging interface based, at least in part, on the initial voltage measurement and a voltage measurement of the plurality of additional voltage measurements that is most recent in time. The method further includes causing the electronic device to perform one or more control actions in response to detecting the soft short circuit at the charging interface.

A computer-implemented method for detecting soft short circuits at a charging interface of an electronic device is provided. The method includes obtaining an initial voltage measurement of a voltage reference that is electrically coupled to the charging interface of the electronic device. The method includes obtaining a plurality of additional voltage measurements of the voltage reference. The method includes detecting a soft short circuit at the charging interface based, at least in part, on the initial voltage measurement and a voltage measurement of the plurality of additional voltage measurements that is most recent in time. The method further includes causing the electronic device to perform one or more control actions in response to detecting the soft short circuit at the charging interface.

The present disclosure relates to a battery protection circuit module to which an authentication circuit unit is applied and a method of protecting an authentication circuit unit using the same, and more particularly, to a battery protection circuit module including a part arrangement design that is robust against external environment noise and a method of protecting an authentication circuit unit using the same. A battery protection circuit module to which an authentication circuit unit is applied may include an authentication circuit unit connected to an output stage of the battery protection circuit module and a protection device configured to protect the authentication circuit unit against external noise.

The present disclosure discloses a bus voltage modulation method for a series dynamic reconfiguration battery system, comprising: collecting a voltage value of each battery module, and arranging in a descending order according to magnitudes of the voltage values; selecting a battery module corresponding to the highest voltage value; determining whether the serial number i of the selected battery module is less than a total number N of series battery modules, if a determination result is YES, accumulating voltage values corresponding to the selected battery modules, and determining whether a voltage accumulation value of the battery modules is within a preset range; and repeating the above content until an output bus voltage meets requirements for the preset range. A dynamic reconfiguration battery system based on a software-defined technology of the present disclosure can reconstruct and output a desired bus voltage according to voltages of respective battery modules in real time.

A power converter is connected to an external device and a power supply, and includes a transformer circuit, connection terminal, two transformer current paths, a bypass current path, and a sensor device. The connection terminal interfaces with the external device. The two transformer current paths are positioned at the high-and low-potential sides and connect to the terminal and power supply via the transformer circuit. The bypass current path branches from one transformer current path, bypassing the transformer circuit, and establish or interrupt the electrical connection between the terminal and power supply. The sensor device is at the first and second current paths, where the first current path includes a branching node connected to the bypass path and terminal, and the second current path does not. The sensor device outputs a signal that varies based on the first and second currents, which flow through the respective paths and transformer circuit.

A power converter is connected to an external device and a power supply, and includes a transformer circuit, connection terminal, two transformer current paths, a bypass current path, and a sensor device. The connection terminal interfaces with the external device. The two transformer current paths are positioned at the high-and low-potential sides and connect to the terminal and power supply via the transformer circuit. The bypass current path branches from one transformer current path, bypassing the transformer circuit, and establish or interrupt the electrical connection between the terminal and power supply. The sensor device is at the first and second current paths, where the first current path includes a branching node connected to the bypass path and terminal, and the second current path does not. The sensor device outputs a signal that varies based on the first and second currents, which flow through the respective paths and transformer circuit.

A system of a hearing device and a charging device that sends a message via electrical pulses from a bleeding circuit to the hearing device. The electrical pulses may communicate information about a battery state of charge or the presence of a fault in the charging of the hearing device. The charging device may, based on the hearing device message, perform at least one of changing a parameter of the electrical power, presenting a visual indication by a visual indicator on the charging device, or producing an acoustic signal.

This disclosure provides systems, methods and apparatuses for a wireless power transmission apparatus to detect a fault of the wireless power reception apparatus. Various implementations relate generally to fault detection and mitigation in a wireless power system. In some aspects, a transmission (TX) controller of the wireless power transmission apparatus can detect a fault in the wireless power reception apparatus based on power transfer measurements or calculations in the wireless power transmission apparatus. The techniques may enable the wireless power transmission apparatus to detect faults such as an open circuit in the wireless power reception apparatus or a thermostat failure, among other examples. During the transmission of wireless power, the wireless power transmission apparatus may detect the fault and cease the transmission of wireless power.

A secondary battery protection integrated circuit for protecting a secondary battery includes a first terminal to be coupled to an external device, a second terminal coupled to a discharge path, a first switch between a first power terminal and the first terminal, a second switch between a second power terminal and the second terminal, and a control circuit. The control circuit transitions to a discharge interruption state that interrupts the discharge path such that a potential difference between the first terminal and the second terminal is at a first level, causes the first switch and the second switch to become conductive, and turns on a discharge control transistor upon occurrence of a condition in which the potential difference between the first terminal and the second terminal changes from the first level.

A low voltage system of a vehicle having a battery, one of a generator and an accessory power module (APM), one or more low voltage load, and a smart energy center. The smart energy center having a first electronic fuse configured to selectively connect the smart energy center to the battery, a second electronic fuse configured to selectively connect the smart energy center to the one of the generator and the APM, and a third electronic fuse configured to selectively connect the smart energy center to the one or more low voltage load. The smart energy center further comprising a plurality of sensors and a controller configured to selectively activate and deactivate the first electronic fuse, the second electronic fuse, and the third electronic fuse based at least in part on data received from the plurality of sensors.