#H02H7/1213

WIRELESS POWER RECEIVING DEVICE HAVING FRACTIONAL CHARGE PUMP CIRCUIT AND METHOD THEREOF

A wireless power receiving device (120) includes: a wireless power receiving coil (121), an AC-DC circuit (122), a capacitor buck circuit (123), and a battery (124), wherein the capacitor buck circuit…

DRIVE·Aug 6·2 min read

H02H7/1213 BEIJING XIAOMI MOBILE SOFTWARE CO LTD [CN]

ELECTRIC POWER CONVERSION DEVICE

Even when one power conversion device among a plurality of power conversion devices connected in parallel experiences a short circuit, the other power conversion devices having experienced no short ci…

DRIVE·May 28·1 min read

H02H7/1213 MITSUBISHI ELECTRIC CORP [JP]

PROTECTION SYSTEM AND PROTECTION METHOD FOR POWER CONVERTERS

Protection system and method for preventing damage to components in an inverter module caused by a permanent magnet (PM) electric machine being in an uncontrolled state is provided. The system has a b…

DRIVE·Jun 20·2 min read

H02H7/1213 BAE Systems Controls Inc.

SYSTEM POWER SUPPLY

A system power supply including an input power supply, a working power supply unit, a plurality of control modules, and a wiring harness is provided. The wiring harness includes a working power supply…

DRIVE·May 16·1 min read

H02H7/1213 HEFEI YITONG ELECTRONIC TECHNOLOGY CO., LTD

POWER SUPPLY SYSTEM WITH SELF-EXCITED DRIVE FUNCTION

A power supply system with self-excited drive function includes a power supply apparatus (100), a logic disconnection circuit (10), a self-boosting circuit (20), a protection circuit (30), and a curre…

DRIVE·Oct 19·2 min read

H02H7/1213 DELTA ELECTRONICS INC [TW]

Input circuit with polarity reversal and short circuit protection for a DC electricity supply or a switching regulator

The circuit (ES) has two potential connections (E1, E2) for connecting two low direct voltage potentials. A buffer circuit e.g. comparator (Kp) and p-channel FET (S2), comprises a buffer capacitor (C)…

DRIVE·Aug 24·1 min read

H02H7/1213 SIEMENS AG [DE]