Datasheets
UCD3138RJAT by: Texas Instruments

Highly Integrated Digital Controller for Isolated Power with 3 Feedback Loops and 8 DPWM Outputs 40-VQFN -40 to 125

Part Details for: UCD3138RJAT by Texas Instruments

Overview of: UCD3138RJAT by Texas Instruments

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Price & Stock for: UCD3138RJAT

Distributor Stock Package QTY Break / Prices
View UCD3138RJAT on Digi-Key
28 Cut Tape
  • 1 $14.3400
  • 10 $13.1830
  • 25 $12.6368
  • 100 $11.1339
View UCD3138RJAT on Digi-Key
28 Digi-Reel
  • 1 $14.3400
  • 10 $13.1830
  • 25 $12.6368
  • 100 $11.1339
View UCD3138RJAT on Digi-Key
0 Reel
  • 250 $10.5875
  • 500 $9.9044
View UCD3138RJAT on Win Source Electronics
37,462
  • 2 $49.5970
  • 3 $41.1290
  • 4 $39.9200
  • 6 $38.7100
  • 7 $37.5000
  • 9 $33.8710

Part Details for: UCD3138RJAT

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Part Data Attributes

UCD3138RJAT Texas Instruments

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UCD3138RJAT Texas Instruments Highly Integrated Digital Controller for Isolated Power with 3 Feedback Loops and 8 DPWM Outputs 40-VQFN -40 to 125

Source Content uid UCD3138RJAT
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Package Description HVQCCN,
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.31.00.01
Date Of Intro 2016-10-28
Adjustable Threshold NO
Analog IC - Other Type POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 Code S-PQCC-N40
JESD-609 Code e4
Length 6 mm
Moisture Sensitivity Level 2
Number of Channels 1
Number of Functions 1
Number of Outputs 8
Number of Terminals 40
Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C
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
Seated Height-Max 1 mm
Supply Voltage-Max (Vsup) 3.6 V
Supply Voltage-Min (Vsup) 3 V
Supply Voltage-Nom (Vsup) 3.3 V
Surface Mount YES
Temperature Grade AUTOMOTIVE
Terminal Finish NICKEL PALLADIUM GOLD SILVER
Terminal Form NO LEAD
Terminal Pitch 0.5 mm
Terminal Position QUAD
Time@Peak Reflow Temperature-Max (s) 30
Width 6 mm

Resources and Additional Insights

Reference Designs

  • 4-Switch buck-boost bi-directional DC-DC converter reference design
    This DC-DC power converter reference design demonstrates a novel approach for battery backup applications. During normal operation: the converter works as a battery charger with CC-CV-Topping charging algorithm compatible for lithium-ion batteries. When DC bus power is lost: the converter immediately changes to backup operation to seamlessly provide power to the system. Once the DC bus power recovers: the converter automatically switches back to battery charge mode. The battery voltage can be higher or lower than DC bus voltage. Depending on the DC bus and battery voltage: the converter operates as either a synchronize buck or a synchronize boost converter in which only two switches are switching: switching loss is reduced and high effieciency is achieved. Only when DC bus and battery voltage are close to each other: then the converter operates as a buck-boost converter.

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