Allicdata Part #: | 296-41001-2-ND |
Manufacturer Part#: |
TPS92511DDAR |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC LED DRVR RGLTR DIM 500MA 8SO |
More Detail: | LED Driver IC 1 Output DC DC Regulator Step-Down (... |
DataSheet: | TPS92511DDAR Datasheet/PDF |
Quantity: | 30000 |
Moisture Sensitivity Level (MSL): | 3 (168 Hours) |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Voltage - Supply (Max): | 65V |
Base Part Number: | TPS92511 |
Supplier Device Package: | 8-SO PowerPad |
Package / Case: | 8-PowerSOIC (0.154", 3.90mm Width) |
Mounting Type: | Surface Mount |
Operating Temperature: | -40°C ~ 125°C (TA) |
Applications: | Lighting |
Dimming: | Analog, PWM |
Frequency: | 500kHz |
Current - Output / Channel: | 500mA |
Voltage - Output: | -- |
Series: | -- |
Voltage - Supply (Min): | 4.5V |
Number of Outputs: | 1 |
Internal Switch(s): | Yes |
Topology: | Step-Down (Buck) |
Type: | DC DC Regulator |
Moisture Sensitivity Level (MSL): | -- |
Part Status: | Active |
Lead Free Status / RoHS Status: | -- |
Packaging: | Tape & Reel (TR) |
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.TPS92511DDAR application field and working principle
PMIC – LED Drivers are the most widely used components in LED Lighting applications. TPS92511DDAR is an integrated device which offers superior support to various LEDs. It is an ideal PMIC device for high power LED applications and has become a preferred choice in many LED lighting projects and applications.
Features:
- Programmable Constant Current Outputs
- Low Input Ripple
- Constant Voltage Operation Capable
- Wide Input Voltage Range 4.5V to 36V
- Programmable Frequency 100KHz to 655KHz
- Protected from Over Heat and Transient Voltages
- Programmable Soft Start
- Lowest Thermal Impedance
Working Principle:
The TPS92511DDAR PMIC – LED Drivers is a current-mode PWM controller that implements two stages of constant current control to drive high power LED strings. The device is configured to work as a step down LED driver with a maximum of 36V input voltage and 12-18V output voltage. The constant current loop of the TPS92511DDAR controls the external MOSFETs through the power stage to regulate the current across the LEDs. The actual output current is then measured and compared with a set value determined by a voltage signal applied to the CST terminal.
The device can be configured for both constant voltage and constant current operation to offer flexibility for different types of LEDs. In constant voltage mode, the current to the LEDs is regulated by the external MOSFETs in the power stage. In constant current mode, the output current is regulated by the voltage signal supplied to the CST terminal. The frequency of the oscillator is also programmed via a single resistor.
In addition, the TPS92511DDAR provides excellent protection features to ensure device survivability. It has over heat protection, over current protection, over voltage protection and transient voltage protection, to ensure robustness and prevent damage.
Applications:
- Street Lights
- High Bay Lights
- Flood Lights
- Tunnel Lights
- Track Lighting
- Step Lights
- Decorative Lighting
The TPS92511DDAR PMIC – LED Drivers is one of the most reliable and preferred LED driver device in many LED lighting applications. It offers superior efficiency, flexibility and protection features for high power LED applications.
The specific data is subject to PDF, and the above content is for reference
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