Capodivacca et al., 2013 - Google Patents
Integrated buck LED driver with application specific digital architectureCapodivacca et al., 2013
- Document ID
- 7056806128064107405
- Author
- Capodivacca G
- Milanesi P
- Scenini A
- Publication year
- Publication venue
- 2013 Proceedings of the ESSCIRC (ESSCIRC)
External Links
Snippet
This paper describes the design and the implementation of a digital controller for LED driver. By utilizing a simple comparator for sampling the output current a relay base controller has been dimensioned. Using a 5bit DPWM and the relay controller the low frequency limit cycle …
- 238000005070 sampling 0 abstract description 10
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
- H05B33/00—Electroluminescent light sources
- H05B33/02—Details
- H05B33/08—Circuit arrangements not adapted to a particular application
- H05B33/0803—Circuit arrangements not adapted to a particular application for light emitting diodes (LEDs) comprising only inorganic semi-conductor materials
- H05B33/0806—Structural details of the circuit
- H05B33/0809—Structural details of the circuit in the conversion stage
- H05B33/0815—Structural details of the circuit in the conversion stage with a controlled switching regulator
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10187938B2 (en) | Multichannel constant current LED controlling circuit and controlling method | |
| US9997988B2 (en) | Zero-crossing detection circuit | |
| US6377032B1 (en) | Method and apparatus for virtual current sensing in DC-DC switched mode power supplies | |
| TWI429182B (en) | Multi-phase dc-dc converter | |
| US9698690B2 (en) | Control method and control circuit for four-switch buck-boost converter | |
| US9292028B2 (en) | Digital switching converter control | |
| US8749216B2 (en) | Constant on-time converter with stabilizing operation and method thereof | |
| TWI479790B (en) | Switching-mode power supply with ripple mode control and associated methods | |
| TWI473394B (en) | Switching regulator and driver circuit and control method thereof | |
| US10056828B2 (en) | System and method for controlling current in a switching regulator | |
| CN110098737A (en) | Use the dc-dc converter of pulse frequency modulated and Controlled in Current Mode and Based | |
| US9246381B2 (en) | Active power factor correction control circuit, chip and LED driving circuit thereof | |
| US9504105B2 (en) | On-time control for switched mode power supplies | |
| CN114337273B (en) | Control circuit with slope compensation and method | |
| US10505452B2 (en) | Frequency control circuit, control method and switching converter | |
| US9641071B2 (en) | Cuk based current source | |
| US20190123632A1 (en) | Predicting the timing of current phases of a dc-dc converter | |
| JP2013070509A (en) | Power unit and light emitting element drive device | |
| US9655175B2 (en) | Off-time control for switched mode power supplies | |
| Capodivacca et al. | Integrated buck LED driver with application specific digital architecture | |
| US10193448B1 (en) | Method of forming a power supply control circuit and structure therefor | |
| CN114301283A (en) | Controller, switching converter and control method for switching converter | |
| US11601057B2 (en) | Switched-mode power supply having a plurality of output stages | |
| Castellanos et al. | A 92.2% peak-efficiency self-resonant hybrid switched-capacitor LED driver in 0.18 μm CMOS | |
| Hanhart et al. | A 16.5 W Single-Inductor 4-Channel Multi-Color Output DC-DC Buck LED Driver with Digital Control and 96% Efficiency |