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TPS92515-Q1

Texas Instruments
Part Number TPS92515-Q1
Manufacturer Texas Instruments
Description Buck LED Driver
Published Aug 19, 2019
Detailed Description Product Folder Order Now Technical Documents Tools & Software Support & Community TPS92515, TPS92515-Q1, TPS92515HV...
Datasheet PDF File TPS92515-Q1 PDF File

TPS92515-Q1
TPS92515-Q1

Overview
Product Folder Order Now Technical Documents Tools & Software Support & Community TPS92515, TPS92515-Q1, TPS92515HV, TPS92515HV-Q1 SLUSBZ6A – APRIL 2016 – REVISED AUGUST 2016 TPS92515x 2-A, Buck LED Driver with Integrated N-channel FET, High-Side Current Sense, and Shunt FET PWM Dimming Capability 1 Features •1 AEC-Q100 Grade 1 Qualified • Integrated 290-mΩ (typ) Internal N-Channel FET • Input Voltage Range: – TPS92515x: 5.
5 V to 42 V – TPS92515HVx: 5.
5 V to 65 V – Operation Down to 5.
15 V After Start-Up • Low Offset High-side Peak Current Comparator • Constant Average Current, up to 2 A • Inherent Cycle-by-Cycle Current Limit • Multiple Dimming Methods – 10,000:1 Shunt PWM Dimming Range – 1000:1 PWM Dimming Range – 200:1 Analog Dimming Range • Simple Constant Off-time Control – No Loop Compensation – Fast Transient Response • Thermally Enhanced HVSSOP Package • Integrated Thermal Protection 2 Applications • Automotive Lighting: LED Switched Matrix AFS Headlamps, DRL, High/Low Beam, Fog, Rear, Turn Signal, Side Marker, Aftermarket • Industrial Lighting: Factory Automation, Time of Flight (TOF), Appliances, Retail Illumination, Machine Vision and Inspection, Emergency, Exit and/or Safety Lighting, Medical Lighting, Stage and Area Lighting • Agricultural, Marine, and Heavy Industry Lighting • High Contrast Shunt FET Dimming 3 Description The TPS92515 family of devices are compact monolithic switching regulators integrating a low resistance N-Channel MOSFET.
The devices are intended for high-brightness LED lighting applications where efficiency, high bandwidth, PWM and/or analog dimming and small size are important.
The regulator operates using a constant off-time, peak current control.
The operation is simple: after an off-time based on the output voltage, an on-time begins.
The on-time ends once the inductor peak current threshold is reached.
The TPS92515 device can be configured to maintain a constant peak-topeak ripple during the ON and OFF periods of a shun...


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