Silicon Works Co., Ltd.

Hyundai Ihl Corporation

Ju Pyo Hong

Ju Hyun Lee

Hai Feng Jin

Sung Hwan Kim

Wanyuan Qu

Se Won Lee

Byeong Ho Jeong

Joo Wan Ha

Jun Ho Kim

Young Ho Seo

Tae Young Yoo

Kyu Ho Kim

Yong Goo Kim

Heung Lyeol Lee

Seung Jun Choi

Ki Suk Cho

Deog Soo Kim

Yong Ju Seon

Ho Jeong Jin

Chol Ho Kim

Moon Young Kim

Jong Chan Kim

Jae Wan Kim

Hyung Seog Oh

Hee Jin Lee

Dong Hyeon Kim

Sung Gon Kim

Ok Hwan Kwon

Chun Sik Chung

Jin Sik Park

Sun Geon Yoo

Chang Sik Shin

Ju Yeong Kim

Jin Won Mok

Sang Min Lee

Jung Sik Kim

Jung Hwan Choi

Young Soo Ryu

Ho Yul Choi

Young Woon Ko

Seung Jin Kim

Hyun Il Park

Sun Gun Yoo

Baek Min Lim

Jeongjin Roh

Jae Seong Lee

Disclosed is a lamp control device. The lamp control device may include: a lamp having an LED channel; a channel resistor corresponding to the LED channel; and a controller configured to boost a channel resistor voltage applied to the channel resistor, and retain a channel current of the LED channel as a target current, using the boosted channel resistor voltage.

Lamp control device

The present disclosure relates to a wireless battery management system which ensures stability when obtaining battery data through wireless communication. The battery management system includes a manager node operating a primary channel and a secondary channel based on wireless communication and obtaining battery data from a monitor node by using the primary channel or the secondary channel and a monitor node connected to a battery module to collect battery data including one or more of a current, a voltage, a temperature, and self-diagnosis data of the battery module, transmit the collected battery data to the manager node through the primary channel, and when the transmission of the battery data through the primary channel fails, transmit the battery data to the manager node through the secondary channel.

Wireless battery management system, node for wireless communication, and method of transmitting data

Disclosed are a wireless battery management system, a node for wireless communication, and a method of assigning slot, which respectively assign dedicated slots having different time intervals to monitor nodes to support smooth and stable communication between the monitor nodes and a manager node. The wireless battery management system includes a manager node checking number of monitor nodes joining in a short-range wireless network for battery management, dividing a transmission slot, assigned for data transmission, by the number of monitor nodes to generate a plurality of dedicated slots, and respectively assigning the plurality of dedicated slots to the monitor nodes and a monitor node collecting battery data and transmitting the collected battery data to the manager node during an assigned dedicated slot.

Wireless battery management system, node for wireless communication, and method of assigning slot

Provided is a buck-boost converting circuit including an LED current regulator and bypass switches. The buck-boost converting circuit includes switches coupled in a matrix form in order to individually control a plurality of LEDs connected in series, an LED current regulator, and a circuit capable of buck-boost conversion.

Buck-boost converting circuit

Disclosed are a system and a battery management integration circuit using an incremental analog-to-digital converter (ADC), which can reduce the consumption of the amount of a bias current. The system includes an incremental ADC configured to perform accumulation on an analog signal during an oversampling period and a bias current generator configured to provide a bias current for the accumulation of the incremental ADC. The bias current generator provides a first amount of the bias current in a first period defined from start timing of oversampling to preset timing during the oversampling period, and provides a second amount of the bias current, smaller than the first amount of the bias current, in a second period subsequent to the first period.

System and battery management system using incremental ADC

The present disclosure discloses a vehicle lamp control apparatus. The vehicle lamp control apparatus includes a timing generator configured to detect first and second setting voltages, which are varied, and measure a time in which each of the first and second setting voltages reaches a reference voltage to generate first and second delay times, and a lamp control circuit configured to control sequential turn-on of LED channels using the first and second delay times.

Vehicle lamp control apparatus

A wireless battery management system for quickly establishing a short-range wireless network. The wireless battery management system includes a manager node storing network configuration information when operating in a first mode, and when operating in a second mode, checking one or more monitor nodes being joined in a short-range wireless network using the network configuration information to establish the short-range wireless network along with each of the checked one or more monitor nodes and one or more monitor nodes storing joining information for joining in the short-range wireless network when operating in the first mode, and when operating in the second mode, joining in the short-range wireless network on the basis of the joining information to transmit battery data to the manager node.

Wireless battery management system, node for wireless communication, and network establishment method

The present disclosure discloses a vehicle lamp control apparatus. The vehicle lamp control apparatus includes a timing generator configured to detect a setting voltage, which is varied, and measure a time in which the setting voltage reaches levels of a first reference voltage and a second reference voltage to generate a first delay time and a second delay time, and a lamp control circuit configured to control sequential turn-on of light-emitting diode (LED) channels using the first delay time and the second delay time.

Provided are a battery state-of-charge (SOC) estimation method and a battery management system which are capable of estimating an SOC using an inexpensive processor and a small-capacity memory. The SOC estimation method includes an SOC table creation step, an SOC calculation step, an SOC comparison step, and a processing step. The battery management system includes a battery, a sensing resistor, a control switch unit, and a processor.

Battery state-of-charge estimation method and battery management system

Provided is a lighting apparatus. The lighting apparatus may provide an output voltage to lighting loads, and include: a converter configured to generate the output voltage using a driving signal; and a driving circuit configured to provide the driving signal, and spread the frequency of the driving signal by performing frequency dithering on the driving signal while changing the shape of an oscillation signal.

Lighting apparatus and driving circuit including frequency dithering and slope compensation

A lamp control device includes a converter configured to provide an output voltage and an internal voltage; a lamp including an LED module which has a plurality of LED channels, and configured to emit light in correspondence to the output voltage of the converter; and a controller configured to operate by using the internal voltage of the converter, control the output voltage of the converter to be retained at a level equal to or higher than a predetermined level, by using feedback voltages of the plurality of LED channels, and control channel currents of the plurality of LED channels to be regulated in correspondence to memory values which are set in advance.

A lamp control device includes a lamp including an LED module which has a plurality of LED channels; and a controller configured to detect respective feedback voltages of the plurality of LED channels, and determine, when at least any one feedback voltage among the feedback voltages is retained to be lower than a predetermined reference voltage and a generation count of an over voltage protection signal reaches a predetermined reference count, an LED channel corresponding to the feedback voltage, as an open.

A lamp control device may include: a lamp including an LED module having a plurality of LED channels; a converter configured to receive a voltage corresponding to a turn signal, convert the voltage into an output voltage and internal voltage, and supply the output voltage to the LED module; and a controller configured to start counting a preset delay time when the internal voltage is supplied from the converter, and control the plurality of LED channels to sequentially light up at intervals of the delay time.

Lamp control device and control method therefor

Growing community of inventors

Daejeon, South Korea

Ju Pyo Hong