Datasheets
TPS53321RGTR by: Texas Instruments

 2.9V to 6V, 5-A Step-Down Converter with Integrated MOSFETs 16-VQFN -40 to 85

Part Details for TPS53321RGTR by Texas Instruments

Results Overview of TPS53321RGTR by Texas Instruments

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Applications Energy and Power Systems Transportation and Logistics Renewable Energy Automotive

TPS53321RGTR Information

TPS53321RGTR by Texas Instruments is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.

A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.

Available Datasheets

Part # Manufacturer Description Datasheet
TPS53321RGTR Texas Instruments  2.9V to 6V, 5-A Step-Down Converter with Integrated MOSFETs 16-VQFN -40 to 85

Price & Stock for TPS53321RGTR

Part # Distributor Description Stock Price Buy
DISTI # 296-28101-1-ND
DigiKey IC REG BUCK ADJ 5A 16VQFN Min Qty: 1 Lead time: 6 Weeks Container: Cut Tape (CT), Digi-Reel®, Tape & Reel (TR) Temporarily Out of Stock
  • 1 $2.4500
  • 3,000 $1.2672
  • 6,000 $1.2424
$1.2424 / $2.4500 Buy Now
DISTI # 595-TPS53321RGTR
Mouser Electronics Switching Voltage Regulators 5A Step-Down Reg A 595-TPS53321RGTT RoHS: Compliant 2888
  • 1 $2.7000
  • 10 $2.4600
  • 25 $2.2900
  • 100 $1.9900
  • 250 $1.8700
  • 500 $1.6400
  • 1,000 $1.3600
  • 3,000 $1.2500
  • 6,000 $1.2000
$1.2000 / $2.7000 Buy Now
Rochester Electronics TPS53321 - 2.9V to 6V, 5-A Step-Down Converter with Integrated MOSFETs RoHS: Compliant Status: Active Min Qty: 1 181
  • 1 $1.2800
  • 25 $1.2500
  • 100 $1.2000
  • 500 $1.1500
  • 1,000 $1.0900
$1.0900 / $1.2800 Buy Now
Ameya Holding Limited IC REG BUCK SYNC ADJ 5A 16QFN 934163
RFQ

Part Details for TPS53321RGTR

TPS53321RGTR CAD Models

TPS53321RGTR Part Data Attributes

TPS53321RGTR Texas Instruments
Buy Now Datasheet
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TPS53321RGTR Texas Instruments  2.9V to 6V, 5-A Step-Down Converter with Integrated MOSFETs 16-VQFN -40 to 85
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Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code QFN
Package Description QFN-16
Pin Count 16
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer Texas Instruments
Additional Feature ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6 TO 5.04V
Analog IC - Other Type SWITCHING REGULATOR
Control Mode VOLTAGE-MODE
Control Technique PULSE WIDTH MODULATION
Input Voltage-Max 6 V
Input Voltage-Min 2.9 V
Input Voltage-Nom 3.3 V
JESD-30 Code S-PQCC-N16
JESD-609 Code e4
Length 3 mm
Moisture Sensitivity Level 2
Number of Functions 1
Number of Outputs 1
Number of Terminals 16
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
Output Current-Max 5 A
Output Voltage-Max 4.2 V
Output Voltage-Min 0.6 V
Package Body Material PLASTIC/EPOXY
Package Code HVQCCN
Package Shape SQUARE
Package Style CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Seated Height-Max 1 mm
Surface Mount YES
Switcher Configuration BUCK
Switching Frequency-Max 1100 kHz
Temperature Grade INDUSTRIAL
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form NO LEAD
Terminal Pitch 0.5 mm
Terminal Position QUAD
Time@Peak Reflow Temperature-Max (s) 30
Width 3 mm

TPS53321RGTR Related Parts

TPS53321RGTR Frequently Asked Questions (FAQ)

  • A good PCB layout for the TPS53321RGTR involves placing the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the input and output traces. TI provides a recommended PCB layout in the datasheet and application notes.

  • The choice of input and output capacitors depends on the specific application requirements. TI recommends using low-ESR capacitors with a minimum capacitance of 10uF for the input and output. The capacitor selection guide in the datasheet can help with the selection process.

  • The TPS53321RGTR is rated for operation from -40°C to 125°C. However, the device's performance and reliability may degrade at extreme temperatures. It's essential to consider the thermal design and heat dissipation in the system to ensure reliable operation.

  • Yes, the TPS53321RGTR is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard for automotive applications and is suitable for use in harsh environments. However, it's essential to follow the recommended design and testing guidelines to ensure the device meets the specific application requirements.

  • To troubleshoot issues with the TPS53321RGTR, start by verifying the input voltage, output voltage, and current. Check the PCB layout, component selection, and thermal design. Use oscilloscopes and other diagnostic tools to identify the root cause of the issue. TI also provides application notes and technical support to help with troubleshooting.