1 Features

• Functional Safety-Capable

– Documentation available to aid functional safety

system design

• 5-mm × 5.5-mm × 4-mm Enhanced HotRod™ QFN

package

– Industry’s smallest 36-V, 4-A footprint:

85 mm2 solution size (single sided)

– Low EMI: meets CISPR11 radiated emissions

– Excellent thermal performance:

up to 20 W output power at 85°C, no airflow

– Standard footprint: single large thermal pad and

all pins accessible from perimeter

• Input voltage range: 3.8 V to 36 V

• Output voltage range: 1 V to 7 V

• Efficiency up to 95%

• Power-good flag

• Precision enable

• Built-in hiccup-mode short-circuit protection, overtemperature

protection, start-up into pre-bias

output, soft start, and UVLO

• Operating IC junction range: –40°C to +125°C

• Operating ambient range: –40°C to +105°C

• Shock and vibration tested to Mil-STD-883D

• Pin compatible with: 3-A TPSM53603

and 2-A TPSM53602

• Create a custom design using the TPSM53604

with the WEBENCH® Power Designer

• Download the EVM Design Files for fast board

design

2 Applications

• General purpose wide VIN power supplies

• Factory automation and control

• Test and measurement

• Aerospace and defense

• Negative output voltage applications

3 Description

The TPSM53604 power module is a highly integrated

4-A power solution that combines a 36-V input,

step-down, DC/DC converter with power MOSFETs,

a shielded inductor, and passives in a thermallyenhanced

QFN package. The 5-mm x 5.5-mm x 4-

mm, 15-pin package uses Enhanced HotRod QFN

technology for improved thermal performance, small

footprint, and low EMI. The package footprint has all

pins accessible from the perimeter and a single large

thermal pad for simple layout and easy handling in

manufacturing.

The total solution requires as few as four

external components and eliminates the loop

compensation and magnetics part selection from

the design process. The full feature set includes

power good, programmable UVLO, prebias start-up,

overcurrent, and overtemperature protections, making

the TPSM53604 an excellent device for powering a

wide range of applications.