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TPS62736
High Efficiency Nanopower Buck Converter with 50mA Load Capability | Step-Down
Data sheet
TPS62736
- Industry&3146;s Highest Efficiency at Low Output
Currents: > 90% With IOUT = 15 µA - Ultra-Low Power Buck Converter
- TPS62736 Optimized for 50-mA Output Current
- TPS62737 Optimized for 200-mA Output Current
- 1.3-V to 5-V Resistor Programmable Output Voltage
Range - 2-V to 5.5-V Input Operating Range
- 380-nA and 375-nA Quiescent Current During Active
Operation for TPS62736 and TPS62737 - 10-nA Quiescent Current During Ship Mode Operation
- 2% Voltage Regulation Accuracy
- 100% Duty Cycle (Pass Mode)
- EN1 and EN2 Control
- Two Power-Off States:Shipmode (Full Power-Off State)
Standby Mode Includes VIN_OK Indication
- Two Power-Off States:Shipmode (Full Power-Off State)
- Input Power-Good Indication (VIN_OK)
- Push-Pull Driver
- Resistor Programmable Threshold Level
The TPS6273x family provides a highly integrated ultra low power buck converter solution that is well suited for meeting the special needs of ultra-low power applications such as energy harvesting. The TPS6273x provides the system with an externally programmable regulated supply to preserve the overall efficiency of the power-management stage compared to a linear step-down converter. This regulator is intended to step-down the voltage from an energy storage element such as a battery or super capacitor to supply the rail to low-voltage electronics. The regulated output has been optimized to provide high efficiency across low-output currents (<10 µA) to high currents (200 mA).
The TPS6273x integrates an optimized hysteretic controller for low-power applications. The internal circuitry uses a time-based sampling system to reduce the average quiescent current.
To further assist users in the strict management of their energy budgets, the TPS6273x toggles the input power-good indicator to signal an attached microprocessor when the voltage on the input supply has dropped below a preset critical level. This signal is intended to trigger the reduction of load currents to prevent the system from entering an undervoltage condition. In addition, independent enable signals allow the system to control whether the converter is regulating the output, monitoring only the input voltage, or to shut down in an ultra-low quiescent sleep state.
The input power-good threshold and output regulator levels are programmed independently through external resistors.
All the capabilities of TPS6273x are packed into a small footprint 14-lead 3.5-mm × 3.5-mm QFN package (RGY).
Technical documentation
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View all 8 | Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | TPS6273x Programmable Output Voltage Ultra-Low Power Buck Converter With Up to 50 mA / 200 mA Output Current datasheet (Rev. C) | PDF | HTML | 16 Dec 2014 |
| Selection guide | Power Management Guide 2018 (Rev. R) | 25 Jun 2018 | ||
| Analog Design Journal | Understanding 100% mode in low-power DC/DC converters | 22 Jun 2018 | ||
| Analog Design Journal | Achieving a clean startup by using a DC/DC converter with a precise enable-pin threshold | 24 Oct 2017 | ||
| User guide | User's Guide for TPS62736 Ultra Low Power Buck Converter for Energy Harvesting (Rev. B) | 23 Aug 2014 | ||
| Product overview | Battery Management Solutions for Wearable and Fitness Devices (Rev. C) | 18 Aug 2014 | ||
| Analog Design Journal | Accurately measuring efficiency of ultralow-IQ devices | 22 Jan 2014 | ||
| Product overview | Industry’s Most Efficient Nano Power Harvesting Solutions (Rev. A) | 08 Nov 2013 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
Evaluation board
TPS62736EVM-205 — TPS62736EVM-205 Programmable Output Nanopower Buck Converter with 50mA Load Evaluation Module Board
Programmable Output Nanopower Buck Converter with 50mA Load Evaluation Module Board
The TPS62736 is a highly integrated Nanopower buck converter solution that is well suited for meeting the special needs of ultra low power applications such as energy harvesting. The TPS62736 evaluation module (EVM) (...)
User guide: PDF
Reference designs
TIDA-00881 — 50mA Wireless Charger with 19mm Coil BoosterPack Reference Design
The TIDA-00881 reference design is a booster pack that provides a wireless charger and an entire battery managment solution to power any low power TI Launchpad. This design is a highly integrated power management solution that is well-suited for ultra-low power applications using an off the (...)
Reference designs
TIDA-00668 — 50mA Wireless Charger Booster Pack Reference Design
The TIDA-00668 is a booster pack that provides a wireless charger and an entire battery managment solution to power any low power TI Launchpad. This design is a highly integrated power management solution that is well-suited for ultra-low power applications.
The primary method of storage is an (...)
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| VQFN (RGY) | 14 | Ultra Librarian |
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