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DRV592VFP Datasheet

  • DRV592VFP

  • +- 3-A HIGH EFFICIENCY H-BRIDGE

  • 14頁

  • TI

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DRV592
SLOS390A 鈥?NOVEMBER 2001鈥?REVISED MAY 2002
鹵3
A HIGH EFFICIENCY H BRIDGE
(REQUIRES EXTERNAL PWM)
FEATURES
D
鹵3-A
Maximum Output Current
D
Requires External PWM From DC to 1 MHz
With TTL-Compatible Voltages for High and
Low
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
1 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擄C to allow for system-level
shutdown before the amplifier鈥檚 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.
D
D
D
D
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
D
9脳9 mm PowerPAD錚?Quad Flatpack
APPLICATIONS
D
Thermoelectric Cooler (TEC) Driver
D
Laser Diode Biasing
VDD
10
碌F
1
碌F
OUT+
OUT+
OUT+
PVDD
PVDD
1
碌F
AVDD
PVDD
PVDD
OUT+
10
碌H
OUT+
PGND
PGND
PGND
PGND
PGND
PGND
OUT鈥?/div>
10
碌F
AGND (Connect to PowerPAD)
To HI-Z Control
To Fault Monitor
PWM Input 1
PWM Input 2
Shutdown Control
HI-Z
FAULT1
FAULT0
IN+
IN鈥?/div>
SHUTDOWN
PVDD
PVDD
PVDD
PVDD
OUT鈥?/div>
OUT鈥?/div>
OUT鈥?/div>
OUT鈥?/div>
To TEC or Laser
Diode Anode
10
碌H
1
碌F
10
碌F
To TEC or Laser
Diode Cathode
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments
semiconductor products and disclaimers thereto appears at the end of this data sheet.
PowerPAD is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date. Products
conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
Copyright
錚?/div>
2002, Texas Instruments Incorporated

DRV592VFP 產(chǎn)品屬性

  • Texas Instruments

  • 功率驅(qū)動器IC

  • H-Bridge Drivers

  • Non-Inverting

  • 5.5 V

  • 2.8 V

  • 1 mA

  • 4.1 W

  • + 85 C

  • SMD/SMT

  • HLQFP-32 EP

  • Tray

  • - 40 C

  • 2

  • 2.8 V to 5.5 V

  • 3 A

  • 250

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