TPS92314
- Regulates LED Current Without Secondary Side Sensing
- Adaptive ON-time Control with Inherent PFC
- Critical-Conduction-Mode (CRM) with Zero-Current Detection (ZCD) for Valley Switching
- Programmable Switch Turn ON Delay
- Programmable Constant ON-Time (COT)
- Over Current Limit Options:
- TPS92314: 1.15V
- TPS92314A: 2.0V
- Advanced Over Current and Over Voltage Protection
- Internal Over-temperature Protection
- 8-Pin SOIC Package
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The TPS92314/14A is an off-line controller specifically designed to drive high power LEDs for lighting applications. Features include adaptive constant on-time control and quasi-resonant switching. Resonant switching allows for a reduced EMI signature and increased system efficiency. Thus, the device introduces a low external parts count and high level of integration. The control algorithm of TPS92314/14A adjusts the on time with reference to the primary side inductor peak current and secondary side inductor discharge time dynamically, the response time of which is set by an external capacitor.
The over current protection is implemented by a cycle by cycle current limit of the primary inductor current. TPS92314A has a higher OCP threshold which is more suitable for universal line application and TPS92314 can optimize the system cost. Other supervisory features of the TPS92314/14A include VCC over voltage protection and under-voltage lockout, output LEDs over-voltage protection and controller thermal shutdown. The TPS92314/14A is available in 8-pin SOIC package.
Technical documentation
Type | Title | Date | ||
---|---|---|---|---|
* | Data sheet | TPS92314 Off-Line Primary Side Sensing Controller with PFC datasheet (Rev. B) | 01 May 2013 | |
White paper | Common LED Functions and LED Driver Design Considerations | 21 Sep 2020 | ||
Selection guide | Power Management Guide 2018 (Rev. R) | 25 Jun 2018 | ||
Application note | Tricolor control of TPS92314 based LED driver with toggling of main light switch | 11 Dec 2015 | ||
Application note | Low Cost, Single Inductor Non-Isolated AC/DC LED Driver Design using TPS92314 | 05 Jun 2014 | ||
EVM User's guide | Using the TPS92314A19120VEVM (Rev. A) | 07 Feb 2013 | ||
EVM User's guide | Using the TPS92314A19230VEVM (Rev. A) | 07 Feb 2013 | ||
Application note | TPS92314 THD design consideration | 16 Jan 2013 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
TPS92314A19120VEVM — TPS92314A19120VEVM Off-Line Primary Side Sensing Controller with PFC Evaluation Module Board
Off-Line Primary Side Sensing Controller with PFC Evaluation Module Board LED Lighting Application
The TPS92314A19120VEVM evaluation module uses the TPS92314 as an isolated PFC flyback controller; more specifically it is an isolated primary-side controlled critical conduction mode PFC flyback. The (...)TPS92314A19230VEVM — TPS92314A19230VEVM Off-Line Primary Side Sensing Controller with PFC Evaluation Module Board
Off-Line Primary Side Sensing Controller with PFC Evaluation Module Board LED Lighting Application
The TPS92314 family of general LED lighting PWM controllers contain control and drive circuitry required for off-line isolated or non-isolated LED lighting applications. The TPS92314A19230VEVM (...)PSPICE-FOR-TI — PSpice® for TI design and simulation tool
Package | Pins | CAD symbols, footprints & 3D models |
---|---|---|
SOIC (D) | 8 | Ultra Librarian |
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