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Features
Shutdown Current: 40mA
Power Input: USB Type-C, 5V/3A
Charging Power: 7.4V/1.5A 15W
Output Power: 5V/5A, 3.3V/1A
Included Batteries: 2 x 3.7V 18650 Lithium-ion Batteries, XH2.54 3P Interface
Battery Protection: Reverse polarity protection
Charging Protection: Input undervoltage protection, input overvoltage protection, charging balance, overheat protection
Onboard Power Indicator Light: PWR
Onboard 2 Battery Level Indicator LEDs
Onboard User LED, 2 tactile switches
Motor Driver: 5V/1.8A x 4
4-channel 12-bit ADC
12-channel PWM (8-channel shared with motor)
4-channel digital signals
Onboard SPI interface, UART interface, I2C interface, WS2812 interface
Mono Speaker: 4Ω2.5W
Power Button: Safe shutdown
Microphone: Onboard I2S microphone
Compatibility and Power Notes
The Fusion HAT+ supports a wide range of commonly used servos and DC motors, including:
Micro servos: SG90, MG90S
Standard servos: MG996R, DS3218
SunFounder custom servos
Low-current DC motors: 130 series, N20 series
SunFounder custom DC motors with XH2.54 2-pin connectors
Servo Power (PWM Interface)
The PWM interface provides up to 5V/5A maximum output, which is shared with the Raspberry Pi.
When connecting multiple servos, carefully account for their current draw.
If the total servo current exceeds 5A, use an external power supply (BEC) to avoid overload and ensure stable operation.
DC Motor Power
DC motors are powered directly from the onboard batteries (6–8.4V).
Each motor channel supports up to 1.8A maximum current.
Do not connect motors with higher current requirements, as this may damage the motor driver chip.
Electrical Characteristics
Parameters: |
Minimum Value: |
Typical Value: |
Maximum Value: |
Unit: |
|---|---|---|---|---|
Input Voltage: |
4.25 |
5 |
8.4 |
V |
Battery Input Voltage: |
6.0 |
7.4 |
8.4 |
V |
Overcharge Protection (Battery): |
8.4 |
V |
||
Input Undervoltage Protection: |
4.15 |
4.25 |
4.35 |
V |
Input Overvoltage Protection: |
8.3 |
8.4 |
8.5 |
V |
Charging Current (5V): |
1.5 |
A |
||
Output Current (5V): |
5.0 |
A |
||
Output Voltage: |
5.197 |
5.285 |
5.376 |
V |
Charging Overheat Protection: |
125 |
135 |
145 |
°C |
DC-DC Overheat Protection: |
150 |
°C |
||
Motor Output Current: |
1.8 |
A |
||
Overdischarge Protectiont: |
6 |
V |