22uF

3.3V / 1A

10uF

2.2µH

12V

3.3nF

TPS62150A-Q1

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TPS62150A-Q1, TPS62153A-Q1

SLVSCC3 – MAY 2014

1 Features

3 Description

The

TPS62150A-Q1

device

is

an

easy-to-use

1

•

DCS-Control™ Topology

synchronous step-down DC-DC converter optimized

•

Qualified for Automotive Applications

for applications with high power density. A high

•

AEC-Q100 Qualified With the Following Results:

switching frequency of typically 2.5 MHz allows the

use of small inductors and provides fast transient

–

Device Temperature Grade: –40°C to 125°C

response as well as high output-voltage accuracy

Operating Junction Temperature Range

through the use of the DCS-Control™ topology.

–

Device HBM ESD Classification Level H2

With a wide operating input-voltage range of 3 to 17

–

Device CDM ESD Classification Level C4B

V, the device is ideally suited for systems powered

•

Input Voltage Range: 3 to 17V

from intermediate bus power rails. The device

•

Adjustable Output Voltage from 0.9 to 6V

supports up to 1A continuous output current at output

voltages between 0.9 V and 6 V (with 100% duty

•

Pin-Selectable Output Voltage (nominal, + 5%)

cycle mode).

•

Programmable Soft Start and Tracking

The output-voltage startup ramp is controlled by the

•

Seamless Power Save Mode Transition

soft-start pin, which allows operation as either a

•

Quiescent Current of 17µA (typ.)

standalone power supply or in tracking configurations.

•

Power Good Output

Power sequencing is also possible by configuring the

enable and open-drain power-good pins.

•

100% Duty Cycle Mode

•

Short Circuit Protection

In power save mode, the device shows quiescent

current of about 17

•

Over Temperature Protection

which is entered automatically and seamlessly if the

•

Available in a 3 × 3 mm, VQFN-16 Package

load is small, maintains high efficiency over the entire

load range. In shutdown mode, the device is turned

2 Applications

off and shutdown current consumption is less than 2

μA. The device is packaged in a 16-pin VQFN

•

Automotive POL supply

package measuring 3 × 3 mm (RGT).

•

Standard 12-V Rail Supplies

•

Embedded Systems

Device Information(1)

•

LDO Replacement

PART NUMBER

PACKAGE

BODY SIZE (NOM)

TPS62150A-Q1

VQFN (16)

3.00 x 3.00 mm

TPS62153A-Q1

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

the end of the datasheet.

4

Simplified Schematic

Efficiency vs Output Current

space

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.