IC manufacturers (103)
- All manufacturers
Analog Devices
Infineon Technologies
Microchip
Onsemi
Renesas
ROHM
STMicroelectronics
Texas Instruments
- 3peak incorporated (28)
- Ablic (23)
- Acco Semiconductor (1)
- Advanced Power (4)
- Allegro Microsystems (100)
- Alpha & Omega Semiconductor (37)
- AnalogySemi (3)
- AnDAPT Inc (204)
- Anpec (13)
- AXElite (2)
- Backward (6)
- Bright Power Semiconductor (1)
- Broadcom (46)
- Cambridge GaN Devices (18)
- Chipanalog Micro (10)
- Cologne Chips (1)
- Convenient Power (1)
- Dialog Semiconductor (12)
- Diodes Incorporated (259)
- Divimath (8)
- Elmos AG (1)
- EPC (140)
- e-Peas Semiconductors (1)
- Eta Solutions Co. Ltd. (9)
- GaN Systems (8)
- GaNPower (3)
- Giantec (1)
- Gstek Wuxi (1)
- Helix Semiconductor (7)
- IKON (1)
- Indie Semiconductor (8)
- Innovision Semiconductor Inc (2)
- Intel (68)
- Inventchip Technology (3)
- ISSI (51)
- JoulWatt (20)
- KDPOF (3)
- Kinetic Technology (8)
- Lattice semiconductor Corporation (38)
- Littelfuse (1)
- Lumissil Microsystems (8)
- M3 Technology (M3Tek) (7)
- Macnica (22)
- Marvell Semiconductor (1)
- MaxLinear (181)
- Menlo Micro (1)
- MikroE (25)
- MindCet (2)
- Monolithic Power Systems (980)
- Navitas Semiconductor Inc (6)
- NewEdge Technologies, Inc. (1)
- Nexperia (267)
- Nisshinbo Micro Device Inc. (10)
- Novosense Micro (1)
- NXP (335)
- O2 Micro International Ltd (10)
- On Bright (7)
- Panasonic (2)
- PN Junction Semiconductor (2)
- Power Integrations (117)
- Powermat (1)
- Pulsiv (19)
- Qorvo (96)
- Realsil SuRealsil(tek) Microelectronics (1)
- Richtek (297)
- Sanken Electric Co., Ltd. (16)
- Sckipio (6)
- Semtech (86)
- SG-Micro (57)
- SiFive (2)
- Silanna Semiconductor (9)
- Silergy Corporation (33)
- Silicon Laboratory Inc. (108)
- Silicontent Technology (59)
- Silvertel (59)
- Skycore Semiconductors (1)
- Skyworks (33)
- Southchip (14)
- Summit Wireless (1)
- Tagore Tech (7)
- Taiwan Semiconductor (1)
- TDK Corporation (1)
- Tempo Semiconductor (1)
- Torex (37)
- Toshiba (25)
- Transphorm (21)
- TransSIP (2)
- Union (21)
- uPI Semiconductor (2)
- Valens Semiconductor (31)
- Wise Integration (3)
- Wolfspeed (23)
- Xilinx (22)
- XL Semiconductor (3)
- XYSemi (62)
Texas Instruments UCC28881 | Demoboard TIDA-01097
<125-μA Standby, High-Efficiency Power Supply Reference Design for Neutral-less Wireless Lighting Controls
Overview
| Topology | Flyback Converter |
| Input voltage | 93.5-126.5 V |
| Output 1 | 3.58 V / 0.01 A |
| IC revision | 001 |
Description
Lighting control devices such as wired or wirelessswitches and dimmers may be used in retrofitenvironments or in new installations. New installationsmay have separate line, neutral, and earth wireswhere the lighting control unit can be powered byconnecting it between the line and neutral, whereas inmost of the retrofit installations only line and earthwires may be available. In such cases, the lightingcontrol unit has to be powered by connecting itbetween line and earth terminals while ensuring thatthe current flowing to earth is limited to 0.5 mA. Thisnecessitates the use of a very low standbyconsumption, high efficiency power supply.This TI Design is a wireless lighting control unit usinga low quiescent current offline converter that enablesexcellent efficiency at low power levels, a low-noise,high-PSRR, low quiescent current, good line and loadtransient response LDO, and a very low standby andlow active current specs wireless microcontroller.
Features
<125-μA quiescent current including wireless MCU and 69% efficiency @ 35mW loadOff-line converter with integrated 700-V power MOSFETHigh side current limit circuit with inherent inrush current limiting, output overload and short circuit protectionsLow noise, high PSRR, low quiescent current, good load transient response LDO for wireless controlTested and characterized with SimpleLink Bluetooth® Low Energy Wireless MCU having 1-μA standby, low Rx, Tx, core and sensor controller currents enabling easy implementation of lighting controlsEnables neutral less lighting control applications with earth as return that complies with UL773A
Typical applications
- Neutral-less or No Neutral Wireless Lighting, Control Switches, Dimmers, Photo Control Units
- Motion Sensors, Occupancy and Vacancy Sensors
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | L(µH) | IR(A) | ISAT,10%(A) | RDC max.(Ω) | fres(MHz) | Version | Pins | Type | Mount | Working Voltage(V (AC)) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 10 V(DC), 47 µF, ±20% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 10 V(DC) | Capacitance47 µF | Capacitance±20% | Rated Voltage10 V (DC) | Size1210 | Operating Temperature -55 °C up to +85 °C | Dissipation Factor10 % | Insulation Resistance0.002 GΩ | Ceramic TypeX5R Class II | Length3.2 mm | Width2.5 mm | Height2.5 mm | Pad Dimension0.75 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | |||||
 | WE-TI Radial Leaded Wire Wound Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TI Radial Leaded Wire Wound Inductor | – | – | – | Size5075 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length6 mm | Width6 mm | Height8.5 mm | – | – | Inductance470 µH | Rated Current0.35 A | Saturation Current @ 10%0.4 A | DC Resistance2.4 Ω | Self Resonant Frequency3.4 MHz | VersionHeat Shrinking Tube | – | – | MountTHT | – | ||||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | Insulation Resistance1000 MΩ | – | Length10.16 mm | – | – | – | PackagingBag | – | Rated Current3 A | – | – | – | – | Pins4 | TypeStraight | MountTHT | Working Voltage250 V (AC) | |||
 | 750343332 | Flyback Transformer, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Flyback Transformer | – | – | – | SizeEP7 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length10.16 mm | Width8.26 mm | Height9.78 mm | – | PackagingTray | Inductance20180 µH | – | – | – | – | – | – | – | MountTHT | – |