PowerBoost 1000 Basic - 5V USB Boost @ 1000mA from 1.8V+
DC/DC boost converter running from 1.8V+ input and outputting 5.2V at 1A+ via USB-A. A 4A internal switch allows over 1A from as low as 2V input; the slightly elevated 5.2V output prevents brownouts under load.
Pinout
- BAT
Battery/input supply for the boost converter. Adafruit states this input can range from 1.8V to 5V and recommends short battery leads.
Type · PowerVoltage · 1.8V to 5V input - GND
Power ground. Adafruit notes the converter is not isolated, so input ground and output ground are common.
Type · GroundVoltage · 0V - 5V
Boosted output rail. Adafruit describes it as about 5.2V while running, dipping toward 5V at higher load, with the green output LED tied to this rail.
Type · PowerVoltage · ~5.0V to 5.2V output - EN
Enable control. Pulled high to VBAT by default; connect to ground to turn the booster off.
Type · ControlVoltage · Pulled to VBAT by default - LBO
Low Battery Output. Pulled high to BAT by default and drops to 0V when low battery is detected under about 3.2V; red LED is connected to this signal.
Type · SignalVoltage · BAT when ok, 0V under about 3.2V low-battery threshold
| Pin | Type | Function | Voltage |
|---|---|---|---|
| BAT | Power | Battery/input supply for the boost converter. Adafruit states this input can range from 1.8V to 5V and recommends short battery leads. | 1.8V to 5V input |
| GND | Ground | Power ground. Adafruit notes the converter is not isolated, so input ground and output ground are common. | 0V |
| 5V | Power | Boosted output rail. Adafruit describes it as about 5.2V while running, dipping toward 5V at higher load, with the green output LED tied to this rail. | ~5.0V to 5.2V output |
| EN | Control | Enable control. Pulled high to VBAT by default; connect to ground to turn the booster off. | Pulled to VBAT by default |
| LBO | Signal | Low Battery Output. Pulled high to BAT by default and drops to 0V when low battery is detected under about 3.2V; red LED is connected to this signal. | BAT when ok, 0V under about 3.2V low-battery threshold |
Pin details
5 connections- BAT
Battery/input supply for the boost converter. Adafruit states this input can range from 1.8V to 5V and recommends short battery leads.
PowerVoltage · 1.8V to 5V input - GND
Power ground. Adafruit notes the converter is not isolated, so input ground and output ground are common.
GroundVoltage · 0V - 5V
Boosted output rail. Adafruit describes it as about 5.2V while running, dipping toward 5V at higher load, with the green output LED tied to this rail.
PowerVoltage · ~5.0V to 5.2V output - EN
Enable control. Pulled high to VBAT by default; connect to ground to turn the booster off.
ControlVoltage · Pulled to VBAT by default - LBO
Low Battery Output. Pulled high to BAT by default and drops to 0V when low battery is detected under about 3.2V; red LED is connected to this signal.
SignalVoltage · BAT when ok, 0V under about 3.2V low-battery threshold
Start wiring
I2C · USB · 5 V · Module
Verify supply voltage and logic levels before powering up.
Module pins: BAT, 5V, GND, EN, LBO. Schematik maps them to your board in the app.
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