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TPS51285ARUKR The Texas Instruments TPS51285ARUKR is a dual synchronous buck controller designed for power management in notebook systems. It features a wide input voltage range and adjustable output voltages.
Mfr Part #:

TPS51285ARUKR

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TPS51285ARUKR is a dual synchronous buck controller designed for power management in notebook systems. It features a wide input voltage range and adjustable output voltages.
✓ Total Stock: 54,118 pcs
$ Price Range: $0.65

TPS51285ARUKR Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
30,939 pcs
On Request
30939 pcs On Request 1 On Request On Request 13+PBF On Request On Request
Romaks Technologies ✓
Non-Authorised Inventory information
23,179 pcs
On Request
23179 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

TPS51285ARUKR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Frequency
Mounting Type
Number of Outputs
Operating Temperature
Supplier Device Package
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TPS51285ARUKR Description

Short technical summary and product information.

The TPS51285ARUKR from Texas Instruments is a cost-effective, dual synchronous buck controller with integrated 5-V and 3.3-V LDOs, targeting notebook system power supply solutions. It supports an input voltage range of 5 V to 24 V and offers adjustable output voltages with ±10% accuracy. The controller utilizes an adaptive On-Time D-CAP mode control architecture, operating at 400 kHz for channel 1 and 475 kHz for channel 2.

 

Key features include auto-skip and ULQ modes for extended battery life during system standby, internal 0.8-ms voltage servo soft-start, and low-side R DS(on) current sensing. The device also incorporates a built-in output discharge function and separate enable inputs for switchers. Protection features include OVP, UVP, OCP, non-latch UVLO, and OTP.

 

Packaged in a 20-pin WQFN measuring 3 mm x 3 mm, the TPS51285ARUKR is designed for surface mount applications. Its operating temperature range is -40°C to 85°C. The controller provides a power good indicator and a clock output for charge-pump applications. This component is suitable for applications requiring efficient and reliable power conversion in compact designs.

TPS51285ARUKR Quick Information

Product Type: Dual Synchronous Buck Controller
Canonical Name: Texas Instruments TPS51285A Dual Synchronous Buck Controller
Subcategory: Buck Controller

TPS51285ARUKR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TPS51285ARUKR Estimated Pricing

Qty Low High
1+ $0.65 $0.65

Estimated market price range - modelled values for guidance only, not live distributor offers.

TPS51285ARUKR Features

  • Dual synchronous buck controller with LDOs.
  • 5-V to 24-V input voltage range.
  • Adjustable 5-V and 3.3-V output voltages.
  • Adaptive On-Time D-CAP mode control.
  • 20-pin WQFN surface mount package.

TPS51285ARUKR Applications

  • Notebook system power supplies.
  • Compact power management solutions.
  • Applications requiring dual buck conversion.
  • Systems needing integrated LDOs.

TPS51285ARUKR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the TPS51285ARUKR?

5 V to 24 V.

What package is the TPS51285ARUKR available in?

20-WQFN Exposed Pad (3x3 mm).

What is the operating temperature range of the TPS51285ARUKR?

-40°C to 85°C.

What are the switching frequencies of the buck converters?

400 kHz (CH1) and 475 kHz (CH2).

What is the reference accuracy of the TPS51285ARUKR?

±1%.

Does the TPS51285ARUKR have a soft-start feature?

Yes, with a soft-start time of 3.2 ms.

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