| Allicdata Part #: | TPS64201DBVRG4-ND |
| Manufacturer Part#: |
TPS64201DBVRG4 |
| Price: | $ 0.43 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC REG CTRLR BUCK SOT23-6 |
| More Detail: | Buck Regulator Positive or Negative Output Step-Do... |
| DataSheet: |  TPS64201DBVRG4 Datasheet/PDF |
| Quantity: | 1000 |
| 3000 +: | $ 0.38808 |
Specifications
| Frequency - Switching: | -- |
| Base Part Number: | TPS64201 |
| Supplier Device Package: | SOT-23-6 |
| Package / Case: | SOT-23-6 |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Control Features: | Enable |
| Serial Interfaces: | -- |
| Clock Sync: | No |
| Synchronous Rectifier: | No |
| Duty Cycle (Max): | 100% |
| Series: | -- |
| Voltage - Supply (Vcc/Vdd): | 1.8 V ~ 6.5 V |
| Output Phases: | 1 |
| Number of Outputs: | 1 |
| Topology: | Buck |
| Output Configuration: | Positive or Negative |
| Function: | Step-Down |
| Output Type: | Transistor Driver |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
Description
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The TPS64201DBVRG4 is a 1.5-A LED driver specifically designed for applications utilizing the 1.5A LED string. The device operates from a nominal 1.6 to 5.5V DC input. It provides a regulated output voltage up to 5V with the capability to regulate up to a maximum of 1A of current. The TPS64201DBVRG4 is a single stage, constant current (CC) mode based, synchronous, DC to DC, step down switching regulator capable of regulating a constant output current without any external components. Its highly optimized switched-mode output stage utilizes synchronous Power MOSFETs to minimize the power loss and reach efficiencies up to 95%.
The TPS64201DBVRG4 application field is mainly in the automotive and industrial sectors, where the device is often used to regulate the current for a camera flash or for any other intermittent lighting functions. The device offers a wide input voltage range of up to 5.5V and precise regulation of a constant current up to 1A, at output voltages up to 5V. This makes it an ideal choice for applications where constant current regulation is required and precise regulation at low output voltages is necessary.
The TPS64201DBVRG4 working principle is based on switch-mode DC to DC step-down converter technology. The device utilizes two synchronous Power MOSFETs (N-channel and P-channel) to regulate the output current. When the input voltage is applied, the controller will slowly turn on the N-channel MOSFET to start the switching converter. As the N-channel MOSFET starts conducting, the voltage across the inductor will be increased, storing energy in the inductor. When the peak current reaches the target current level, the controller will turn the N-channel MOSFET off for a short time. This will reduce the voltage stored in the inductor, and turn on the P-channel MOSFET to discharge the stored energy. When the inductor current decreases to the target, the P-channel MOSFET will be turned off, and the cycle will repeat.
The TPS64201DBVRG4 also features a number of innovative functions, like low-dropout circuit to reduce power losses, precision on/off control, and a short-circuit protection circuit. All of these functions are implemented to ensure safety and performance in the most demanding applications.
The specific data is subject to PDF, and the above content is for reference
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