TPS92002DGKR Integrated Circuits (ICs) |
|
| Allicdata Part #: | 296-27181-2-ND |
| Manufacturer Part#: |
TPS92002DGKR |
| Price: | $ 0.43 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC LED DRIVER OFFL DIM 8VSSOP |
| More Detail: | LED Driver IC 1 Output AC DC Offline Switcher Flyb... |
| DataSheet: |  TPS92002DGKR Datasheet/PDF |
| Quantity: | 1000 |
| 2500 +: | $ 0.39778 |
| 5000 +: | $ 0.37789 |
| 12500 +: | $ 0.36369 |
Specifications
| Voltage - Output: | 5V |
| Base Part Number: | TPS92002 |
| Supplier Device Package: | 8-VSSOP |
| Package / Case: | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Applications: | Lighting |
| Dimming: | Triac |
| Frequency: | 100kHz |
| Current - Output / Channel: | -- |
| Series: | -- |
| Voltage - Supply (Max): | 21V |
| Voltage - Supply (Min): | -- |
| Number of Outputs: | 1 |
| Internal Switch(s): | No |
| Topology: | Flyback, Step-Down (Buck) |
| Type: | AC DC Offline Switcher |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
Description
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The TPS92002DGKR is an LED driver integrated circuit (IC) from the PMIC - LED Drivers category. This IC can be used to save space and cost in applications that need low cost and high efficiency for driving LEDs.
The TPS92002DGKR has various features that make them ideal solutions for controlling the light intensity of LEDs. The IC can be used to minimize size, cost and power dissipation as compared to other traditional solutions. They include an adjustable current, adjustable transient voltage and constant voltage programming capability, making it a flexible and reliable solution.
The TPS92002DGKR is a single-channel constant current LED driver that is ideal for applications such as LED backlighting, general lighting, LCD backlighting, and automotive lighting. It offers adjustable brightness control and a wide range of operating temperatures, making it a versatile and reliable solution. The IC can provide a wide range of current levels, up to 600mA. Additionally, the device can operate in both buck and boost modes, depending on the LED forward voltage.
The TPS92002DGKR features an onboard N-Channel MOSFET switch, which allows for efficient control of the LED current. The device also features an adjustable output current between 1mA and 600mA and an adjustable output voltage from 0V up to 5V, making it suitable for a variety of applications. The device also features two soft-start modes, which provide a smooth transition from no-load to full-load, enabling greater efficiency and better component life.
The TPS92002DGKR’s working principle is based on the fact that the LED forward voltage is not always constant. The IC adjusts the current flowing through the LED based on the forward voltage of the LED, while also providing a constant current output. The device includes a reference voltage of 0.8V and a 200mV voltage threshold, which enable the current to be adjusted accurately.
If the LED is turned off or the forward voltage of the LED increases above the 0.8V reference voltage, the IC will reduce the current. Conversely, if the forward voltage of the LED drops below the 0.8V reference voltage, the IC will increase the current. This enables efficient control of the LED and efficient power delivery, making the device a good solution for applications that need low cost, high efficiency and minimal power dissipation.
In addition to its efficient current control, the TPS92002DGKR also features an adjustable transient voltage which enables efficient transient protection. It also features an over-voltage protection circuitry, which shuts the device down in case the output voltage goes above a certain limit. This ensures that the device is protected from current and voltage spikes, ensuring reliable operation and long component life.
The TPS92002DGKR is a very efficient and reliable LED driver IC, making it an ideal solution for applications that require low cost, high efficiency and minimal power dissipation. Its adjustable output current, adjustable voltage and transient voltage protection allows it to be used in a variety of applications, making it a versatile and reliable choice.
The specific data is subject to PDF, and the above content is for reference
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