Calculation tool
SLVC780 — Design Tool for Output Voltage Adjustment Using a DAC
Calculator tool to adjust the power supply's output voltage with an analog input voltage
TPS62821
2.4-V to 5.5-V input, 1-A step-down converter with 1% accuracy in 1.5-mm x 2-mm VSON-HR package
Data sheet
TPS62821
- DCS-Control™ topology
- 26-mΩ/25-mΩ internal power switches (TPS62823)
- Up to 3-A output current (TPS62823)
- Very low quiescent current of 4 µA
- Switching frequency of typically 2.2 MHz
- 1% feedback voltage accuracy (full temp. range)
- Enable (EN) and power good (PG)
- Adjustable output voltage from 0.6 V to 4 V
- 100% duty-cycle mode
- Internal soft-start circuitry
- Seamless power save mode transition
- Undervoltage lockout
- Active output discharge
- Cycle-by-cycle current limit
- HICCUP short-circuit protection
- Over temperature protection
- CISPR11 class B compliant
- Create a custom design using the TPS62822 with the WEBENCH® Power Designer
The TPS6282x is an all-purpose and easy to use synchronous step-down DC-DC converter with a very low quiescent current of only 4 µA. It supplies up to 3A output current (TPS62823) from a 2.4-V to 5.5-V input voltage. Based on the DCS-Control™ topology it provides a fast transient response.
The internal reference allows to regulate the output voltage down to 0.6 V with a high feedback voltage accuracy of 1% over the junction temperature range of -40°C to 125°C. The 1-A, 2-A, 3-A scalable pin-to-pin and BOM-to-BOM compatible device family can be used with small 470-nH inductors.
The TPS6282x include an automatically entered power save mode to maintain high efficiency down to very light loads.
The device features a Power Good signal and an internal soft start circuit. It is able to operate in 100% mode. For fault protection, it incorporates a HICCUP current limit as well as a thermal shutdown.
The TPS6282x are packaged in a 2 mm x 1.5 mm QFN-8 package.
Technical documentation
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Evaluation board
TPS62821EVM-005 — TPS62821 1A Step-Down Converter With DCS-Control™ Evaluation Module
The TPS62821EVM-005 evaluation module (EVM) is designed to help the user easily evaluate and test the operation and functionality of the TPS62821 DCS-Control step-down buck converter. The EVM converts a 2.4-V to 5.5-V input voltage to a 1% accuracy regulated output voltage of 1.8 V at up to 1-A (...)
User guide: PDF
Simulation model
TPS62821 PSpice Unencrypted Transient Model (Rev. B)
SLVMCA8B.ZIP (950 KB) - PSpice Model
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| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| VSON-HR (DLC) | 8 | Ultra Librarian |
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