1µH

1µH

2x

47µF

3.3V/6A

TPS62182

470k

SW1

SW2

VO

PG

FB

VIN1

VIN2

EN

SS/TR

4 to 15 V

22µF

3.3nF

22µF

GND

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TPS62180, TPS62182

SLVSBB8A – AUGUST 2014 – REVISED AUGUST 2014

TPS6218x 4-V to 15-V, 6-A, 2-Phase Step-Down Converters with AEE™

1 Features

3 Description

The TPS6218x is a synchronous dual-phase step-

1

•

Dual Phase Balanced Peak Current Mode

down DC-DC converter for low profile power rails. It

•

Input Voltage Range: 4 V to 15 V

operates with two identical, current balanced phases

•

Output Voltage Range: 0.9 V to 6 V

that are peak current controlled enabling use in

height limited applications.

•

Output Current up to 6 A

•

Typical Quiescent Current of 28 µA

With a wide operating input voltage range of 4 V to

15 V, the device is ideally suited for systems powered

•

Output Voltage Accuracy of ±1% (PWM Mode)

from multi-cell Li-Ion batteries or 12-V rails. The

•

Automatic Efficiency Enhancement (AEE™)

output current of 6 A is continuously provided by two

•

Phase Shifted Operation

phases of 3 A each, allowing the use of low profile

external components. The phases operate out of

•

Automatic Power Save Mode

phase, reducing switching noise significantly.

•

Adjustable Soft Start

The TPS6218x automatically enters Power Save

•

Power Good Output

Mode to maintain high efficiency down to very light

•

Undervoltage Lockout

loads. It also incorporates an Automatic Efficiency

•

HICCUP Over Current Protection

Enhancement (AEE™) for the entire duty cycle range.

•

Over Temperature Protection

The device features a Power Good signal, as well as

•

NanoFree™ 2.14 mm x 3.14 mm DSBGA

an adjustable soft start. The quiescent current is

Package

typically 28 µA, it is able to run in 100% mode, and it

has no duty cycle limitation even at lowest output

2 Applications

voltage.

•

Low Profile POL Supply

The TPS6218x, available in adjustable and fixed

output voltage options, is packaged in a small 24-

•

NVDC Powered Systems

bump, 0.5 mm pitch DSBGA package.

•

Dual/Triple Cell Li-ion Battery

•

Ultra Portable/Embedded/Tablet PC

Device Information(1)

•

Computing Network Solutions

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

Micro Server, SSD

TPS62180

DSBGA (24)

2.14 mm x 3.14 mm

TPS62182

DSBGA (24)

2.14 mm x 3.14 mm

(1) For all available packages, see the orderable addendum at

the end of the datasheet.

spacing

4 Simplified Schematic

Efficiency vs Output Current

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.