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Updated at 17/06/2025 10:30:15(UTC+8)
Certifications
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Description
- The TPS92511DDA is a 30W Anode Capable Constant Current Buck LED Driver for driving a single LED string with current up to 0.5A and efficiency up to 95%. Only 5 external components are required for basic operation and single layer PCB layout is feasible because of the integration of an N-MOSFET, no external current sensing resistor, no external compensation and the proper terminal assignment. A high-value external resistor programs the LED current so that fine tuning of the LED current can be achieved. Another high-value external resistor programs a constant switching frequency from 50 to 500kHz. EMI design becomes easier as a result of constant switching frequency. By adding simple external circuits, the device can handle applications with even higher input voltages. It applies a floating buck topology with a low-side N-channel power MOSFET, which does not need boot-strapping capacitor.
- Requires no external current sensing resistor
- Requires no external loop compensation
- Ease of use, needs minimum 5 components
- 1000:1 Contrast ratio feasible
- Single layer PCB feasible
- Can work as high voltage buck regulator
- Can work as linear current shunt regulator
- Integrated low-side N-channel MOSFET
- LED current programmable up to 0.5A
- Typically ±3.6% LED current accuracy
- Switching frequency programmable from 50 to 500kHz
- Current limit protection
- VCC under-voltage lock-out
- Thermal shutdown protection
- Support analogue dimming and thermal foldback
- Green product and no Sb/Br
- This device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.
TPS92511DDA Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Mounting Style | Surface Mount |
| Number of Pins | 8 Pin |
| Case/Package | HSOP-8 |
| Frequency | 500 kHz |
| Number of Outputs | 1 Output |
| Output Voltage | 65 V |
| Output Current | 500 mA |
| Number of Positions | 8 Position |
| Quiescent Current | 2.80 mA |
| Number of Regulated Outputs | 1 Output |
| Switching Frequency | 500 kHz |
| Topology | Buck |
| Input Voltage (Max) | 65 V |
| Input Voltage (Min) | 4.5 V |
| Output Voltage (Max) | 65 V |
| Output Voltage (Min) | 0.2 V |
| Output Current (Max) | 500 mA |
| Operating Temperature (Max) | 125 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Input Voltage | 4.5V ~ 65V |
| Show | |
| Operating Temperature | -40℃ ~ 125℃ (TA) |
| Product Lifecycle Status | Active |
| Packaging | Cut Tape (CT) |
| RoHS | RoHS Compliant |
| Lead-Free Status | Lead Free |
| REACH SVHC Compliance | No SVHC |
| REACH SVHC Compliance Edition | 2017/07/07 |
| ECCN Code | EAR99 |
Order guide
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- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
- - Income Quality Control (IQC), 1000+ qualified dealers. - Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device. - Decapsulation control - X-ray control - XRF inspection - Electrical testing - Surface testing -Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity
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