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See Technical Specifications

TPS51220ARSNR +BOM

3-V to 28-V, synchronous peak current mode buck controller for notebook power in RSN/RTV package

Manufacturer:

TI
Mfr.Part #:

TPS51220ARSNR
Datasheet:

TPS51220ARSNR Datasheet (PDF)
Input Voltage Range:

2.5 V to 6 V
Output Voltage:

0.6 V to (V_IN-0.2 V)
Output Current:

Up to 2 A
Switching Frequency:

300 kHz
EDA/CAD Models:

Request Free CAD Models for TPS51220ARSNR

TPS51220ARSNR General Description

Targeting the power supply needs of 2-cell to 4-cell notebook systems, the TPS51220A is a dual synchronous buck regulator controller with two LDOs, offering high efficiency and fast transient response. With a wide input voltage range of 4.5 V to 32 V and output voltage range of 1 V to 12 V, this controller provides cost-effective solutions for various applications, supporting stability and accuracy with its peak current mode and rapid transient response with its D-CAP mode. By offering an adjustable fixed frequency, synchronization capability, and interleaving ratio, the TPS51220A ensures customizable operation to meet specific system requirements. Housed in a 32-pin 5×5/4×4 QFN package, this controller is designed to withstand harsh environmental conditions, with a specified temperature range from –40°C to 85°C, ensuring reliable performance in demanding applications

Key Features

The product is designed for compact power solutions.
It has integrated MOSFET switches for easy implementation.
The converter supports a wide input voltage range of 4.5V to 16V.

Application

Powering servers and electronics
Synchronous buck converter
Efficient power management

Specifications

Product Name	TPS51220ARSNR	Product Type	Step-Down Converter
Input Voltage Range	2.5 V to 6 V	Output Voltage	0.6 V to (V_IN-0.2 V)
Output Current	Up to 2 A	Switching Frequency	300 kHz
Operating Temperature	-40°C to 85°C	Product Category	Switching Controllers
Topology	Buck	Number of Outputs	2 Output
Duty Cycle - Max	99 %	Input Voltage	4.5 V to 32 V
Minimum Operating Temperature	- 40 C	Maximum Operating Temperature	+ 85 C
Mounting Style	SMD/SMT	Development Kit	TPS51220AEVM-476
Moisture Sensitive	Yes	Operating Supply Current	1.3 mA
Series	TPS51220A	Factory Pack Quantity	3000
Subcategory	PMIC - Power Management ICs	Type	Current Mode PWM Controllers
Unit Weight	0.001411 oz

TPS51220ARSNR Equivalent Parts

You may consider these replacement and alternative parts:

Part Number

In-Stock

Package

Description

Part Number: TPS51218

In-Stock: 9,642

Package:

Description: TPS51218: A similar synchronous buck controller with lower maximum output current (18A)

Part Number: TPS51216

In-Stock: 7,323

Package:

Description: TPS51216: Another version of the synchronous buck controller with a lower maximum output current (16A)

Part Number: TPS51123

In-Stock: 8,648

Package:

Description: TPS51123: A similar synchronous buck controller with an integrated MOSFET and lower maximum output current (10A)

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AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

Warranty

365-Day Product

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Ratings and Reviews

K**y 05/13/2023

I'm blown away by the speed and efficiency of Avaq's delivery service. The components arrived so quickly, I couldn't believe it.

L**a 12/17/2022

Avaq's delivery speed is unmatched! I ordered these components on a Thursday, and they arrived on Monday. Impressive!

J**n 09/29/2022

These TPS51220ARSNR components from Avaq are exactly what I needed for my project. They work flawlessly, and the price was very reasonable.

K**e 08/19/2022

I've been searching for these components for weeks, and Avaq had them in stock and ready to ship. They arrived quickly, and I couldn't be happier with my purchase.