#Halo Microelectronics International

ASK Modulation and Demodulation System

In an embodiment, a wireless power transmitter of a wireless charging system may detect an amplitude shift keying (ASK) carrier signal sent by a wireless power receiver of the wireless charging system…

DRIVE·Mar 19·1 min read

H02J50/12 Halo Microelectronics International

ASK Modulation & Demodulation System

In an embodiment method, an envelope voltage of a resonant capacitor of a wireless power receiver in a wireless charging system may be detected at an output node. One or more parameters of the wireles…

DRIVE·Jan 4·1 min read

H02J50/12 Halo Microelectronics International

Short Circuit Detection Apparatus and Control Method for Switched Capacitor Converter

A method includes connecting an output of a switched capacitor converter to a battery, the switched capacitor converter comprising a first switch, a second switch, a third switch and an upper circuit …

DRIVE·Nov 23·2 min read

G01R31/52 Halo Microelectronics International

Versatile Battery Charging System and Control Method

A battery charging system includes a buck switching converter configured to operate in either a buck mode or a boost mode depending on a system reconfiguration, a linear charger having a first termina…

DRIVE·Mar 23·1 min read

H02J7/00047 Halo Microelectronics International

Multi-Cell Battery Charging System and Control Method

A method includes turning on a first group of switches of a switched capacitor converter in a battery charging system to establish a first conductive path, and configuring a system voltage at a system…

DRIVE·Feb 16·1 min read

H02J7/0019 Halo Microelectronics International

Single-Stage Battery Charging System and Control Method

A single-stage battery charging system includes a hybrid converter comprising a plurality of first power switches connected in series, an inductor and a first flying capacitor, wherein the inductor is…

DRIVE·Jan 26·1 min read

H02M1/0095 Halo Microelectronics International

Gate Drive Apparatus and Control Method for Switched Capacitor Converter

Gate Drive Apparatus and Control Method for Switched Capacitor Converter A power converter includes a plurality of power switches connected in series between a system ground and an input voltage bus, …

DRIVE·Jan 19·1 min read

H02M1/088 Halo Microelectronics International

CONTROL CIRCUIT, FLYBACK CIRCUIT AND CHARGER

A control circuit is configured to control a flyback circuit comprising a primary-side switch, a secondary-side rectifier and a transformer. The control circuit comprises a feedback control circuit co…

DRIVE·Sep 22·1 min read

H02M3/33592 Halo Microelectronics International

Battery Charger System and Control Method

A single-stage battery charger system includes a switched capacitor converter coupled between an input power source and a load, an inductor coupled between a midpoint of the switched capacitor convert…

DRIVE·May 12·1 min read

H02J7/0068 Halo Microelectronics International

Gate Drive Apparatus and Control Method for Switched Capacitor Converter

An apparatus includes a first gate drive transistor and a second gate drive transistor connected in series, a common node of the first gate drive transistor and the second gate drive transistor connec…

DRIVE·Apr 28·2 min read

H02M1/088 Halo Microelectronics International