TPS562200 Buck Converter IC: Features, Applications & Specifications

The TPS562200 is a high-efficiency DC-DC step-down (buck) converter IC from Texas Instruments, designed for compact, low-cost, and power-efficient voltage regulation. With its wide input voltage range, high switching frequency, and minimal external components, the TPS562200 is an excellent choice for embedded systems, industrial electronics, consumer devices, and IoT applications.

What is TPS562200?

The TPS562200 is a 2-A synchronous buck converter that integrates high-side and low-side MOSFETs, enabling high efficiency and low power loss. It is optimized for converting higher DC voltages (such as 12 V or 24 V rails) down to lower voltages like 5 V, 3.3 V, or core voltages for microcontrollers and processors.

Thanks to its 600 kHz switching frequency, the TPS562200 allows the use of small inductors and capacitors, resulting in compact power supply designs.

Key Features of TPS562200

✔ 1. Wide Input Voltage Range

Operates from 4.5 V to 17 V
Suitable for 12 V and industrial power rails

✔ 2. High Output Current Capability

Delivers up to 2 A continuous output current

✔ 3. Synchronous Buck Topology

Integrated high-side and low-side MOSFETs
Eliminates external Schottky diode
Higher efficiency compared to non-synchronous converters

✔ 4. High Switching Frequency

600 kHz fixed frequency
Enables compact and low-cost designs

✔ 5. Adjustable Output Voltage

Output voltage adjustable down to 0.8 V
Set using a simple resistor divider

✔ 6. Eco-Mode™ for Light Loads

Improves efficiency at low load currents
Ideal for standby and low-power applications

✔ 7. Integrated Protection Features

Over-current protection
Thermal shutdown
Under-voltage lockout (UVLO)
Output short-circuit protection

✔ 8. Small Package Size

Available in SOT-23-6 package
Ideal for space-constrained PCBs

Applications and Uses of TPS562200

The TPS562200 is widely used in modern embedded and power-sensitive systems, including:

1. Embedded Systems & Microcontrollers

Power supply for MCUs (ESP32, STM32, Arduino)
Stable 5 V and 3.3 V rails

2. Industrial Electronics

PLC modules
Industrial sensors and controllers

3. IoT and Smart Devices

Energy-efficient power regulation
Battery-backed or always-on systems

4. Consumer Electronics

Set-top boxes
Networking devices
Display controllers

⚙ 5. Distributed Power Systems

Point-of-load regulation
Multi-rail power architectures

TPS562200 Electrical Specifications (Typical)

Parameter	Value
Regulator Type	Synchronous buck (step-down)
Input Voltage Range	4.5 V – 17 V
Output Voltage Range	0.8 V to VIN
Max Output Current	2 A
Switching Frequency	600 kHz
Efficiency	Up to ~95%
Quiescent Current	Low (Eco-mode enabled)
Integrated MOSFETs	Yes
Protection Features	OCP, SCP, UVLO, Thermal
Operating Temperature	−40 °C to +125 °C
Package	SOT-23-6

(Exact limits depend on operating conditions and datasheet values.)

Typical Pin Functions

VIN – Input supply voltage
EN – Enable pin for on/off control
GND – Ground
SW – Switching node (connects to inductor)
FB – Feedback pin for output voltage setting
BOOT – Bootstrap pin for high-side MOSFET drive

⭐ Advantages of TPS562200

High efficiency with synchronous rectification
Compact design with minimal external components
Excellent light-load efficiency using Eco-mode™
Robust protection for reliable operation
Ideal replacement for older non-synchronous buck converters

Final Summary

The TPS562200 is a compact, efficient, and cost-effective DC-DC buck converter IC ideal for stepping down 12 V or 24 V rails to low-voltage logic supplies. With its 2 A output capability, high switching frequency, synchronous topology, and built-in protection features, it is well-suited for embedded systems, industrial controls, IoT devices, and consumer electronics.

If you need a reliable, space-saving, and energy-efficient power solution, the TPS562200 is an excellent choice.