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TPS542951RSAR The Texas Instruments TPS542951RSAR is a dual-channel synchronous step-down converter. It operates with an input voltage range of 4.5V to 18V and supports output currents of 2A and 3A.
Mfr Part #:

TPS542951RSAR

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TPS542951RSAR is a dual-channel synchronous step-down converter. It operates with an input voltage range of 4.5V to 18V and supports output currents of 2A and 3A.
✓ Total Stock: 33,446 pcs
$ Price Range: $1.34

TPS542951RSAR 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
26,588 pcs
On Request
26588 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
4,000 pcs
On Request
4000 pcs On Request 1 On Request On Request 13+ On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
2,858 pcs
On Request
2858 pcs On Request 1 On Request On Request 13+ 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.

TPS542951RSAR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Halogen Free
Input Voltage
Lead Style
Operating Temperature
Output Voltage
SVHC Present
Storage Temperature
Tape & Reel
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TPS542951RSAR Description

Short technical summary and product information.

The Texas Instruments TPS542951RSAR is a versatile dual-channel synchronous step-down converter designed for efficient power management. It accepts an input voltage range from 4.5V to 18V, providing flexible power solutions for various applications.

 

This converter features integrated FETs for high efficiency and optimized performance, particularly at low duty cycles. It supports constant load currents of 2A for channel 1 and 3A for channel 2. The device includes D-CAP2 control mode for fast transient response and is compatible with ceramic output capacitors. Key electrical specifications include a switching frequency of 700 kHz, a high-side resistance of 150 mΩ, and a low-side resistance of 100 mΩ.

 

The TPS542951RSAR is housed in a 16-pin VQFN package, suitable for surface mounting. It operates within a temperature range of -40°C to 85°C. Additional features include adjustable soft start, cycle-by-cycle over-current limit control, and protection circuits for over-voltage, under-voltage, and thermal shutdown.

 

This component is designed for applications requiring efficient and reliable DC-DC conversion. Its integrated features and wide operating parameters make it suitable for a broad range of electronic designs.

TPS542951RSAR Quick Information

Product Type: DC DC Switching Regulator
Series: TPS54295
Canonical Name: TPS542951 Dual Channel Synchronous Step-Down Converter
Subcategory: Power Management

TPS542951RSAR Compliance

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

TPS542951RSAR Estimated Pricing

Qty Low High
1+ $1.34 $1.34

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

TPS542951RSAR Features

  • Dual channel synchronous step-down converter
  • Wide 4.5V to 18V input voltage range
  • Supports 2A and 3A load currents
  • Integrated FETs for high efficiency
  • 700 kHz switching frequency

TPS542951RSAR Applications

  • Efficient DC-DC power conversion
  • Power management solutions
  • Embedded system designs
  • Consumer electronics
  • Industrial applications

TPS542951RSAR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the TPS542951RSAR?

4.5 V to 18 V.

What output voltage range is supported?

0.76 V to 7.0 V.

What is the switching frequency?

700 kHz.

How much current can each channel deliver?

CH1 can deliver 2 A and CH2 can deliver 3 A.

What is the operating temperature range?

-40 °C to 85 °C.

What package is the TPS542951RSAR available in?

16-pin VQFN.

What are the typical on-resistance values for the internal MOSFETs?

150 mΩ typical for the high-side MOSFET and 100 mΩ typical for the low-side MOSFET.

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