DC 6-24V to 5V 3A Step Down Buck Converter Module with USB
SKU: TH1102
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SKU: TH2001
The Adafruit PowerBoost 1000 is a compact, high-efficiency DC/DC boost converter designed for power-hungry portable projects. It boosts battery inputs as low as 1.8V up to a stable 5.2V, providing extra headroom to prevent brown-outs while remaining safe for all 5V electronics.
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The Adafruit PowerBoost 1000 is a compact, high-efficiency DC/DC boost converter designed for power-hungry portable projects. It boosts battery inputs as low as 1.8V up to a stable 5.2V, providing extra headroom to prevent brown-outs while remaining safe for all 5V electronics.
Built around the TPS61030 synchronous boost converter, it features a 4A internal switch, high efficiency, and the ability to deliver 1A+ at 5V from low-voltage sources and up to 2A+ from Li-ion/LiPo batteries (battery dependent). Useful extras include an enable pin for full shutdown, a low-battery indicator LED, and onboard Apple/iOS charge resistors for fast USB charging.
Supplied fully assembled with a JST-PH battery jack, 2-pin terminal block, and USB-A connector, the PowerBoost 1000 is ideal for powering Arduino, Raspberry Pi, BeagleBone, robots, and other portable 5V projects.
Technical details for Adafruit PowerBoost 1000 Basic - 5V USB 1A Boost from 1.8V+
| Specification | Details |
|---|---|
| Product Type | DC/DC Boost (Step-Up) Converter Module |
| Boost Converter IC | Texas Instruments TPS61030 |
| Input Voltage Range | 1.8V minimum (works with 1.8V batteries or higher) |
| Output Voltage | 5.2V DC (fixed) |
| Switching Topology | Synchronous boost conversion |
| Internal Switch Rating | 4A internal switch |
| Typical Output Current | 1A+ output from as low as ~2V input (battery dependent) |
| Output Current Examples | 1000mA+ from 1.8V input; 1500mA+ from 2× NiMH/Alkaline; 2000mA+ from 3.7V LiPo/LiIon or 3× NiMH/Alkaline (battery dependent) |
| Low Battery Indicator | Red LED lights when input voltage drops below ~3.2V (LiPo/LiIon optimized) |
| Enable / Shutdown | EN pin; connect EN to GND to disable output completely |
| Efficiency | 90%+ in most operating conditions (see IC datasheet for curves) |
| Quiescent Current | ~5mA enabled (Power LED on) ~20µA disabled (LEDs off) |
| USB Charging Support | On-board Apple/iOS charge-rate data resistors (up to 1000mA charge signaling) |
| Power Output Options | USB-A jack footprint and 2-pin terminal block option (alternative output wiring) |
| Battery Input Options | JST-PH battery connector footprint and 2-pin terminal block option |
| Included Accessories | Fully assembled/tested PCB, 2-PH JST jack, 2-pin terminal block, USB-A jack (loose) |
| Notes | Battery must be capable of supplying high input currents (often 2–4A) for high 5V loads |
| Pin Label | Type | Details |
|---|---|---|
| BAT | Input | Battery positive input (LiPo/LiIon, NiMH, or Alkaline source). |
| GND | Power | Common ground for battery, logic, and output. |
| EN | Control | Enable control. Pull LOW to completely disable the 5.2V output (full shutdown). |
| 5V | Output | Regulated 5.2V output for powering 5V electronics (Arduino, Raspberry Pi, USB devices, etc.). |
| USB+ | Output | 5.2V output routed to the USB-A connector footprint (optional). |
| USB− | Power | Ground for the USB-A connector footprint (optional). |
| PWR | Indicator | Power indicator LED (on when boost output is enabled). |
| LOW | Indicator | Low-battery indicator LED (lights when battery voltage drops below ~3.2V). |
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