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DRV592TI,TIN/a10avaiHigh-Efficiency H-Bridge (Requires External PWM)
DRV592VFPTI/BBN/a9avaiHigh-Efficiency H-Bridge (Requires External PWM)
DRV592VFPG4TI/BBN/a9avaiHigh-Efficiency H-Bridge (Requires External PWM) 32-HLQFP -40 to 85


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DRV592-DRV592VFP-DRV592VFPG4
High-Efficiency H-Bridge (Requires External PWM)
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SLOS390A – NOVEMBER 2001– REVISED MAY 2002
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FEATURES
±3-A Maximum Output Current Requires External PWM From DC to 1 MHz
With TTL-Compatible Voltages for High and
Low
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
9×9 mm PowerPAD Quad Flatpack
APPLICATIONS
Thermoelectric Cooler (TEC) Driver Laser Diode Biasing
DESCRIPTION

The DRV592 is a high-efficiency, high-current H-bridge
ideal for driving a wide variety of thermoelectric cooler
elements in systems powered from 2.8 V to 5.5 V. Low
output stage on-resistance significantly decreases
power dissipation in the amplifier.
The DRV592 may be driven from any external PWM
generator such as a DSP , a microcontroller, or a FPGA.
The frequency may vary from dc (i.e., on or off) to MHz. The inputs are compatible with TTL logic levels.
The DRV592 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 amplifier’s 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 DRV592
automatically resets.
Shutdown Control
VDD
To TEC or Laser
Diode Anode
To TEC or Laser
Diode CathodeTo HI-Z Control
To Fault Monitor
PWM Input 1
PWM Input 2
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