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TPS40428RHAR The Texas Instruments TPS40428RHAR is a dual output, 2-phase, stackable PMBus synchronous buck driverless controller. It operates with an input voltage range of 4.5V to 20V and supports output voltages from 0.6V to 5V.
Mfr Part #:

TPS40428RHAR

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TPS40428RHAR is a dual output, 2-phase, stackable PMBus synchronous buck driverless controller. It operates with an input voltage range of 4.5V to 20V and supports output voltages from 0.6V to 5V.
✓ Total Stock: 14,080 pcs
$ Price Range: $4.29

TPS40428RHAR Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
7,861 pcs
On Request
7861 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
4,645 pcs
On Request
4645 pcs On Request 1 On Request On Request 21+ On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
1,574 pcs
On Request
1574 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.

TPS40428RHAR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Sync
Control Features
Duty Cycle (Max)
Frequency
Function
Input Voltage
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Current
Output Phases
Output Type
Output Voltage
Serial Interfaces
Supplier Device Package
Supplier Package
Synchronous Rectifier
Topology
Voltage
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TPS40428RHAR Description

Short technical summary and product information.

The Texas Instruments TPS40428RHAR is a versatile DC/DC switching controller designed for high-performance power management applications. This device functions as a step-down buck controller, featuring dual outputs and a 2-phase multiphase topology for efficient power delivery.

 

Key electrical specifications include an input voltage range of 4.5V to 20V and an output voltage range of 0.6V to 5V. It supports a maximum output current of 40A and operates with a switching frequency adjustable from 200 kHz to 1.5 MHz. The controller integrates features such as adjustable current limit, dynamic voltage scaling, power good indication, and PMBus serial interface for advanced control and monitoring.

 

Packaged in a 40-VQFN (6x6) with surface mount, the TPS40428RHAR is suitable for space-constrained designs. Its operating temperature range is -40°C to 125°C (TJ). The controller also supports features like frequency synchronization, phase interleaving, and synchronous rectification, making it a robust solution for demanding power applications.

TPS40428RHAR Quick Information

Product Type: DC DC Switching Controller
Canonical Name: TPS40428RHAR Dual Output, 2-Phase, Stackable PMBus Synchronous Buck Driverless Controller
Subcategory: Buck Controller

TPS40428RHAR Compliance

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

TPS40428RHAR Estimated Pricing

Qty Low High
1+ $4.29 $4.29

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

TPS40428RHAR Features

  • Dual output, 2-phase synchronous buck controller.
  • Wide 4.5V to 20V input voltage range.
  • Adjustable output voltage from 0.6V to 5V.
  • PMBus interface for digital control.
  • Surface mount 40-VQFN package.

TPS40428RHAR Applications

  • High-performance power management.
  • Multi-phase power systems.
  • Point-of-load applications.
  • Server and telecom power supplies.

TPS40428RHAR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the TPS40428RHAR?

The input voltage range is 4.5 V to 20 V.

What is the output current capability of the TPS40428RHAR?

The output current is up to 40 A.

What is the operating temperature range of the TPS40428RHAR?

The operating junction temperature range is -40°C to 125°C.

What package does the TPS40428RHAR come in?

It comes in a 40-VQFN Exposed Pad package (6x6 mm).

Does the TPS40428RHAR support PMBus communication?

Yes, it has a PMBus serial interface.

What is the switching frequency range of the TPS40428RHAR?

The switching frequency is adjustable from 200 kHz to 1.5 MHz.

What is the output voltage range of the TPS40428RHAR?

The output voltage is adjustable from 0.6 V to 5 V.

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