TPS92641PWP/NOPB Semiconductors - ICs by Texas Instruments

DRIVER LED 1MHZ 1A 2OHM 16HTSSOP

LED Lighting Components
> LED Driver ICs
> DC / DC LED Driver ICs
Status: Unknown
Series: -
RoHS: Unknown
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The TPS92640 and TPS92641 devices are highvoltage, synchronous NFET controllers for buckcurrent regulators. Output current regulation is based on valley current-mode operation using a controlled on-time architecture. This control method eases the design of loop compensation while maintaining nearly constant switching frequency. The TPS92640 and TPS92641 devices include a high-voltage start-up regulator that operates over a wide input range of 7 V to 85 V. The PWM controller is designed for high speed capability, including an oscillator frequency range up to 1 MHz. The deadtime between high side and low side gate driver is optimized to provide very high efficiency over a wide input operating voltage and output power range. The TPS92640 and TPS92641 devices accept both analog and PWM input signals, resulting in exceptional dimming control range. Linear response characteristics between input command and LED current is achieved with true zero LED current using low off-set error amplifier and proprietary PWM dimming logic. Both devices also include precision reference capable of supplying current to low power microcontroller. Protection features include cycle-by-cycle current protection, overvoltage protection, and thermal shutdown. The TPS92641 device includes a shunt FET dimming input and MOSFET driver for high resolution PWM dimming.

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Specifications

Device Topology Buck (Step Down)
Input Voltage Min 7V
Input Voltage Max 85V
Output Voltage Max 83V
Output Current Max 5A
Switching Frequency 1MHz
No. of Outputs 1Outputs
IC Mounting SMD
Driver Case Style HTSSOP
No. of Pins 16Pins
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
Dimming Control Type Analogue PWM
Topology Buck (Step Down)

Alternative Descriptions

Synchronous buck controllers for precision dimming LED Drive with shunt-FET driver | Texas Instruments

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The TPS92641PWP/NOPB is listed under Electronic & Electrical Components > Semiconductors - ICs > Driver & Interface ICs.

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