Atomic Battery Base

SKU:A151

Description

Atomic Battery Base is a portable power base designed specifically to power Atom series products. It features the ETA9085E10 high-efficiency boost converter solution and the LGS4056HDA linear charging management chip, with a built-in 200mAh rechargeable battery. It provides stable 5V boosted output and ensures safe and efficient battery charging management. The product includes a built-in battery voltage detection circuit with an LED battery level indicator to display the battery's status in real-time. It comes with a Battery Charge and discharge dip switch that supports one-touch switching between boost and charging modes, meeting the needs of portable power applications. It is suitable for IoT devices, portable electronic products, and other applications requiring a stable power supply.

Features

ETA9085E10 high-efficiency boost converter chip
LGS4056HDA charging chip
Built-in 200mAh rechargeable battery
Battery voltage ADC detection
LED battery level indicator
Battery Charge and discharge dip switch

Includes

1 x Atomic Battery Base

Applications

Power supply for IoT devices
Portable electronic products
Mobile testing platform

Specifications

Specification	Parameter
Charging/Discharging Chip	LGS4056HDA
Boost Converter Chip	ETA9085E10
Battery Level Indicator	4-level display (red LED)
Charging Indicator	Charging (blue LED), Fully charged (green LED)
Battery Capacity	DC-3.7V@200mAh
Battery Circuit Detection	Voltage divider detection circuit
Charging Current	DC-5V@223mA
Maximum Boost Output Current	DC-5V@300mA
Standby Current (Switch OFF)	DC-4.2V@2.55uA
Operating Temperature	0~40°C
Operating Current	DC-4.2V@39.55mA
Product Size	24.0 x 24.0 x 23.95mm
Product Weight	9.9g
Package Size	47.0 x 46.0 x 27.0mm
Gross Weight	15.8g

Learn

Charging/Discharging Instructions

Charging Tip

When the power switch is turned ON, the battery boosts to 5V to power the Atom. When the power switch is turned OFF, the battery can be charged via the Atom USB interface. The boost and charging states need to be manually switched with the switch and cannot occur simultaneously.
4-level battery display (red LED) for battery status, and charging status is displayed (blue LED: charging, green LED: fully charged).

LED Display and Voltage Range Correspondence

Battery Voltage Range	Estimated Battery Level
3.00V ~ 3.47V	0 ~ 25%
3.48V ~ 3.61V	25 ~ 50%
3.62V ~ 3.81V	50 ~ 75%
3.82V ~ 4.20V	75 ~ 100%

Additional Notes

Compatibility

If used with the Atomic Echo Base, all pins on the right side of the Atomic Battery Base (5P) must be cut. If used with Atom-Echo, the G33 pin connection must be cut. In these combinations, the Atomic Battery Base is only used for power supply and cannot read the battery voltage status.

Schematics

1/1

Pinmap

BAT ADC

Atomic Battery Base	BAT ADC
Atom-Lite / Atom-Matrix	G33
AtomS3 / AtomS3-Lite	G8
AtomS3R / AtomS3R-CAM / AtomS3R-M12	G8

Model Size

Datasheets

Softwares

Arduino

Example code to get battery level:

Battery Voltage Acquisition Formula

For the Atom series control board, V_REF = 3.3V, ADC resolution set to 12-bit, R14 and R6 are both 1MΩ,
thus V_BAT = 3.3 * (detected ADC value / 4095) * 2

#include "Arduino.h"

#define ATOM_BAT_ADC_PIN    33  // For Atom Series
#define ATOMS3_BAT_ADC_PIN 8   // For AtomS3 Series, AtomS3R Series


#define BAT_ADC_RESOLUTION 12

void setup()
{
    Serial.begin(115200);
    pinMode(ATOM_BAT_ADC_PIN, INPUT);
    analogReadResolution(BAT_ADC_RESOLUTION);
}

void loop()
{
    uint32_t adc_vol = 0;
    adc_vol          = analogReadMilliVolts(ATOM_BAT_ADC_PIN);
    uint32_t bat_vol = adc_vol * 2;
    Serial.printf("ADC:%d,Vol:%d\n", analogRead(ATOM_BAT_ADC_PIN), bat_vol);
}

Video

Atomic Battery Base product introduction and demonstration video