DRV591 - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

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30 points

Part No

DRV591
Manufacturer

TI
ChipWorker Part#

CW435396759
Description

3A HIGH-EFFICIENCY PWM POWER DRIVER
Documentation

Datasheet
Ships from

Moscow
Наличие

In Stock
Estimated Price

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DRV591 Specifications

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Attribute	Attribute Value

Part Number	DRV591
Manufacturer	TI
ChipWorker Part#	CW435396759
Documentation	Datasheet
	expand all
Product Lifecycle Status
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

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Product Description

The DRV591 is a high-efficiency, high-current power amplifier ideal for driving a wide variety of thermoelectric cooler elements in systems powered from 2.8 V to 5.5 V. PWM operation and low output stage on-resistance significantly decrease power dissipation in the amplifier.
The DRV591 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 (see application information section for more details).
The PWM switching frequency may be set to 500 kHz or 100 kHz depending on system requirements. To eliminate external components, the gain is fixed at approximately 2.3 V/V.
±3-A Maximum Output Current
Low Supply Voltage Operation: 2.8 V to 5.5 V
High Efficiency Generates Less Heat
Over-Current and Thermal Protection
Fault Indicators for Over-Current, Thermal and Under-Voltage Conditions
Two Selectable Switching Frequencies
Internal or External Clock Sync
PWM Scheme Optimized for EMI
9×9 mm PowerPAD Quad Flatpack
APPLICATIONS
Thermoelectric Cooler (TEC) Driver
Laser Diode Biasing
PowerPAD is a trademark of Texas Instruments.

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