TPS51020DBTRG4 The Texas Instruments TPS51020DBTRG4 is a dual synchronous step-down controller designed for notebook system power. It features a wide input voltage range and selectable dual/DDR modes.
Mfr Part #:

TPS51020DBTRG4

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TPS51020DBTRG4 is a dual synchronous step-down controller designed for notebook system power. It features a wide input voltage range and selectable dual/DDR modes.
Total Stock: 10,152 pcs
$ Price Range: $0.75

TPS51020DBTRG4 Available from 2 distributors

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Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
5,245 pcs
5245 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
4,907 pcs
4907 pcs On Request 1 On Request On Request 0844+ On Request On Request

TPS51020DBTRG4 Specifications Quick View

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

TPS51020DBTRG4 Description

Short technical summary and product information.

The TPS51020DBTRG4 from Texas Instruments is a multi-function, dual-synchronous step-down controller tailored for notebook system power applications. It operates with a wide input voltage range from 4.5-V to 28-V and provides selectable dual and DDR modes.

 

This controller utilizes feed-forward voltage mode control for high efficiency and good line response, incorporating autoskip operation to maintain efficiency at light loads. Key features include an integrated 5-V, 60-mA regulator, 180° phase shift between channels, and RDS(on) overcurrent detection. The device also includes integrated OVP, UVP, and Power Good timers.

 

Packaged in a 30-pin TSSOP, the TPS51020DBTRG4 is suitable for applications such as notebook computer system bus and I/O power, as well as DDR I or DDR II termination. Its selectable fixed frequency voltage mode and advanced power good logic make it a versatile solution for various switching applications.

TPS51020DBTRG4 Quick Information

Product Type: Dual Synchronous Step-Down Controller
Canonical Name: TPS51020 Dual Synchronous Step-Down Controller
Subcategory: Special Purpose Regulators

TPS51020DBTRG4 Compliance

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

TPS51020DBTRG4 Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

TPS51020DBTRG4 Features

  • Wide input voltage range: 4.5-V to 28-V.
  • Selectable dual and DDR modes.
  • Integrated 5-V, 60-mA regulator.
  • RDS(on) overcurrent detection.
  • 30-pin TSSOP package.

TPS51020DBTRG4 Applications

  • Dual synchronous buck for notebook computers
  • DDR I or DDR II termination supply
  • System bus and I/O voltage regulation
  • S3 suspend-to-RAM power management
  • High-efficiency 5V/3.3V switching applications

TPS51020DBTRG4 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the input and output voltage range of the TPS51020DBTRG4?

Input voltage range is 4.5V to 28V, output voltage range is 0.9V to 24V.

What package does the TPS51020DBTRG4 come in?

It is available in a 30-TSSOP (30-TFSOP, 0.173", 4.40mm Width) surface mount package.

What is the operating temperature range?

-40°C to 85°C.

What is the reference voltage?

Internal 0.85V reference with 1% tolerance.

Does the device include overcurrent protection?

Yes, it features RDS(on) overcurrent detection with 4200 ppm/°C temperature compensation.

What is the phase shift between channels?

180° phase shift between channels.

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