Overview: TPS62850 ?C 1A/2A Step-Down Converter with Adjustable Frequency
The TPS62850 from Texas Instruments is a high-efficiency synchronous step-down DC/DC converter, delivering up to 1A or 2A continuous output current. Operating from a 2.7V to 6V input range, it suits a variety of battery-powered and portable applications. Featuring an adjustable switching frequency from 1.8MHz to 4MHz, it allows customization for optimal performance and size. Encased in a compact 1.6×2.1 mm SOT-583 package, it offers excellent thermal performance and space efficiency. Available through IC Manufacturer, it??s a reliable choice for modern designs as of August 18, 2025.
Technical Specifications Table
| Parameter | Min | Max | Unit |
|---|---|---|---|
| Input Voltage (VIN) | 2.7 | 6.0 | V |
| Output Voltage (VOUT) | 0.6 | 5.5 | V |
| Output Current (IOUT) | 0 | 2 | A |
| Switching Frequency | 1.8 | 4.0 | MHz |
| Quiescent Current | ?C | 17 | ??A |
| Package Type | SOT-583 (1.6×2.1 mm) | ?C | |
Why TPS62850 Outperforms Typical Converters
Unlike standard step-down converters, the TPS62850??s adjustable frequency range from 1.8MHz to 4MHz allows designers to balance efficiency and component size. Its 1% output voltage accuracy in PWM mode meets strict digital processor requirements, while the low 17??A quiescent current enhances battery life. The SOT-583 package optimizes space and heat dissipation. A power design specialist remarked, ??The TPS62850??s flexibility improved our IoT device power efficiency.?? Supported by Texas Instruments?? expertise, it??s available via IC Manufacturer for reliable power management.
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Extended Electrical Characteristics
| Feature | Specification |
|---|---|
| Control Mode | Peak Current Mode |
| Efficiency | Up to 95% |
| Operating Temperature | -40??C to 150??C |
| Output Voltage Accuracy | ??1% (PWM) |
| Power Save Mode | Automatic at Light Loads |
Typical Applications
- Power supply for portable consumer electronics
- Processor voltage regulation in IoT devices
- Battery-powered medical device power management
Texas Instruments: Power Management Pioneer
Manufactured by Texas Instruments, a leader in power management since 1930, the TPS62850 reflects TI??s innovative legacy. Based in Dallas, Texas, TI provides advanced power solutions for global industries. Compliant with RoHS standards, this converter benefits from TI??s technical support, earning trust from engineers for its efficiency and reliability as of August 18, 2025.
Frequently Asked Questions (FAQ)
What is the benefit of adjustable switching frequency?
Adjustable frequency from 1.8MHz to 4MHz allows optimization of efficiency and size, tailoring performance to specific design needs.
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Can it support 2A output continuously?
Yes, it delivers up to 2A continuous output, suitable for demanding portable and embedded power applications.
Is it efficient for battery-powered use?
Yes, with up to 95% efficiency and a 17 ??A quiescent current, it extends battery life in energy-sensitive devices.
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How small is the SOT-583 package?
The SOT-583 package, at 1.6×2.1 mm, is designed for minimal space, perfect for compact and portable electronics.
Does it operate in high-temperature environments?
Yes, it functions reliably from -40??C to 150??C, ideal for industrial and automotive applications.



