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TPS92691QPWPRQ1 Electronic Components
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TPS92691QPWPRQ1 Electronic Components

TPS92691QPWPRQ1 Electronic Components belongs to Automotive multi-topology LED driver with rail-to-rail current sense amplifier of Texas Instruments(TI).The TPS92691QPWPRQ1 supports continuous LED status check through the current monitor (IMON) output. This allows for LED short circuit or open circuit detection and protection. Additional fault protection features include VCC UVLO, output OVP, switch cycle-by-cycle current limit, and thermal protection.

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Product Description

TPS92691QPWPRQ1 Electronic Components Made in China can be bought with Low Price from Kinglionski, which is a professional high quality TPS92691QPWPRQ1 suppliers in China.The TPS92691QPWPRQ1 is a versatile LED controller that can support a range of step-up or step-down driver topologies. The device implements a fixed-frequency peak current mode control technique with programmable switching frequency, slope compensation, and soft-start timing. 

It incorporates a high voltage (65-V) rail-to-rail current sense amplifier that can directly measure LED current using either a high-side or a low-side series sense resistor. 

The amplifier is designed to achieve low input offset voltage and attain better than ±3% LED current accuracy over junction temperature range of 25°C to 140°C and output common-mode voltage range of 0 to 60 V.

LED current can be independently modulated using either analog or PWM dimming techniques. Linear analog dimming response with 15:1 range is obtained by varying the voltage from 140 mV to 2.25 V across the high impedance analog adjust (IADJ) input. 

PWM dimming of LED current is achieved by modulating the PWM input pin with the desired duty cycle and frequency. Optional DDRV gate driver output can be used to enable series FET dimming functionality to get over 1000:1 contrast ratio.

TPS92691QPWPRQ1 Electronic Components Parameter (Specification)

Wide Input Voltage: 4.5 V to 65 V
Wide Output Voltage Range: 2 V to 65 V
Low Input Offset Rail-to-Rail Current Sense Amplifier

Better than ±3% LED Current Accuracy over 25°C to 140°C Junction Temperature Range
Compatible With High-Side and Low-Side Current Sense Implementations
High-Impedance Analog LED Current Adjust Input (IADJ) With over 15:1 Contrast Ratio
Over 1000:1 Series FET PWM Dimming Ratio With Integrated Series N-Channel Dim Driver Interface

Continuous LED Current Monitor Output for System Fault Detection and Diagnoses
Programmable Switching Frequency With External Clock Synchronization Capability
Programmable Soft-Start and Slope Compensation
Comprehensive Fault Protection Circuitry Including VCC Undervoltage Lockout (UVLO), Output Overvoltage Protection (OVP), Cycle-by-Cycle Switch Current Limit, and Thermal Protection
TPS92691-Q1: Automotive Q100 Grade 1 Qualified

TPS92691QPWPRQ1 Electronic Components Feature And Application

Automotive Exterior Lighting Applications

Architectural and General Lighting Applications

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