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DRV591VFP

Laser Diode Driver, Thermoelectric Cooler, 2.8V to 5.5V, HLQFP-32

TEXAS INSTRUMENTS DRV591VFP
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Manufacturer Part No:
DRV591VFP
Order Code:
3005879

Product Overview

The DRV591VFP is a high-efficiency high-current Power Amplifier ideal for driving a wide variety of thermoelectric cooler elements in systems powered from 2.8 to 5.5V. PWM operation and low output stage on-resistance significantly decrease power dissipation in the amplifier. It is internally protected against thermal and current overloads. Logic-level fault indicators signal when the junction temperature has reached approximately 130°C to allow for system-level shutdown before the amplifiers internal thermal shutdown circuitry activates. The fault indicators also signal when an over-current event has occurred. If the over-current circuitry is tripped, the DRV591 automatically resets. The PWM switching frequency may be set to 500 or 100kHz depending on system requirements. To eliminate external components, the gain is fixed at approximately 2.3V/V.
  • High efficiency generates less heat
  • Overcurrent and thermal protection
  • Fault indicators for overcurrent, thermal and under-voltage conditions
  • Two selectable switching frequencies
  • Internal or external clock sync
  • PWM scheme optimized for EMI
  • 9x9mm PowerPAD™ quad flatpack
  • ±3A Maximum output current
  • Green product and no Sb/Br

Applications

HVAC, Signal Processing

Product Information

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:
Thermoelectric Cooler

:
HLQFP

:
32Pins

:
2.8V

:
5.5V

:
-

:
MSL 3 - 168 hours
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Technical Docs (1)

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CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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