TPS54821RHLR Texas Instruments Integrated Circuit (Other) In Stock

Name: TPS54821RHLR
Brand: Texas Instruments
SKU: TPS54821RHLR
Availability: InStock

TPS54821RHLR is a current-mode synchronous buck converter from Texas Instruments with 4.5V–17V input, supporting up to 8A output current and pulse-width modulation control. From $1.62, in stock worldwide shipping.

ACTIVEIntegrated CircuitVerified Apr 2026

Package / Visual Reference

TPS54821RHLROther

Quick Facts

Manufacturer: Texas Instruments
Package: Other
Pin Count: 14
Lifecycle: ACTIVE
Datasheet: TPS54821RHLR Datasheet PDF
Category: Integrated Circuit
Price: From $1.6177(MOQ 1)
Temp Range: -40.0°C to 125.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of TPS54821RHLR?

Current-mode PWM control for fast transient response and simplified loop compensation
Wide input voltage range of 4.5V to 17V, suitable for 5V and 12V power rails
Up to 8A output current in a compact 14-pin QFN (VQFN) package
Integrated high-side and low-side MOSFETs for high-efficiency synchronous rectification
Pb-free, RoHS-compliant packaging (JESD-609 e4) for green manufacturing

What is TPS54821RHLR used for?

The TPS54821RHLR is widely used in point-of-load (POL) DC-DC conversion for servers, networking equipment, and industrial automation systems requiring efficient 12V-to-low-voltage regulation. It is also suitable for powering FPGAs, DSPs, and memory modules in telecom and computing platforms. Its compact QFN package and high current capability make it ideal for space-constrained PCB designs in consumer electronics and embedded systems.

What are the specifications of TPS54821RHLR?

Pbfree Code	Yes
YTEOL	15
Analog IC - Other Type	SWITCHING REGULATOR
Control Mode	CURRENT-MODE
Control Technique	PULSE WIDTH MODULATION
Input Voltage-Max	17V
Input Voltage-Min	4.5V
Input Voltage-Nom	12V
JESD-30 Code	S-PQCC-N14
JESD-609 Code	e4
Number of Functions	1
Number of Outputs	1
Output Current-Max	8A
Output Voltage-Max	15V
Output Voltage-Min	0.6V
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	LCC14/18,.14SQ,20
Package Shape	SQUARE
Package Style	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel)	260
Surface Mount	YES
Switcher Configuration	BUCK
Switching Frequency-Max	1600kHz
Temperature Grade	AUTOMOTIVE
Terminal Finish	Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form	NO LEAD
Terminal Pitch	0.5mm
Terminal Position	QUAD
Time@Peak Reflow Temperature-Max (s)	30
## TPS54821RHLR Alternates Showing results	Image
Package	Other

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 1
ECCN	EAR99
HTS Code	8542.39.00.90
Country of Origin	Philippines

Where can I find the TPS54821RHLR datasheet?

TPS54821RHLR Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for TPS54821RHLR?

Compatible alternatives and drop-in replacements for TPS54821RHLR:

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Frequently Asked Questions

What is the input voltage range of the TPS54821RHLR?

The TPS54821RHLR supports an input voltage range of 4.5V to 17V, with a nominal operating voltage of 12V, making it compatible with standard 5V and 12V power supply rails commonly used in computing and industrial applications.

What control mode does the TPS54821RHLR use?

The TPS54821RHLR uses current-mode pulse-width modulation (PWM) control, which provides inherent cycle-by-cycle current limiting, improved transient response, and simplified outer voltage loop compensation compared to voltage-mode control.

What package does the TPS54821RHLR come in?

The TPS54821RHLR is available in a 14-pin VQFN (S-PQCC-N14) QFN package, which offers a small PCB footprint suitable for space-constrained designs. It is Pb-free and compliant with JESD-609 e4 environmental standards.

What are typical applications for the TPS54821RHLR?

Typical applications include point-of-load DC-DC conversion in servers, networking equipment, industrial controllers, FPGA and DSP power supplies, and embedded systems requiring efficient step-down regulation from a 12V or 5V bus.

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Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

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AvailabilityIn Stock

Reference Price (USD)

From $1.6177

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
1+	$3.9825	$3.98
51+	$1.7681	$90.17
151+	$1.6929	$255.63
251+	$1.6177	$406.04

pcs

Unit price: $3.9825 · Total: $3.98

In Stock · 24h Response · Worldwide Shipping

Direct Contact

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Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”

James Wright

Supply Chain Director, CircuitPro Ltd, UK

TPS54821RHLR Texas Instruments Integrated Circuit (Other) In Stock

What are the key features of TPS54821RHLR?

What is TPS54821RHLR used for?

What are the specifications of TPS54821RHLR?

Compliance & Regulatory

Where can I find the TPS54821RHLR datasheet?

What are equivalent replacements for TPS54821RHLR?

Frequently Asked Questions

What is the input voltage range of the TPS54821RHLR?

What control mode does the TPS54821RHLR use?

What package does the TPS54821RHLR come in?

What are typical applications for the TPS54821RHLR?

Related Guides

BQ76942PFBR Battery Monitor Selection and Procurement Guide

SEP0640Q38CB Surge Protection Board Validation Guide

BQ76942PFBR Battery Monitor Board Validation Guide

ECA1JHG220 Power-Rail Filter Design and Validation

Why Buy from FindMyChip

About Texas Instruments

More from Texas Instruments

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