Battery pack and voltage regulators for servos / motors.

• 3x 18650 LiPo battery (Panasonic NCR18659B, unprotected)
• 5V output for servo
• 12V output for main motors
• LiPo protection and charging circuit
• charger jack
• on/off switch
• voltage and current sensor

Note: the protection board must be connected to a charger before it will provide the correct output voltage!

3S LiPo Battery Protection Board

• 8A continuous current
• 6.9V discharge protection (0.015V accuracy)
• 12.75V overcharge protection (0.015V accuracy)
• 60A over current protection

MP1584 adjustable buck converter

• Input Voltage: 4.5V ~ 28V
• Output voltage: 0.8V ~ 20V
• Output Current: 3A (Max)
• Conversion efficiency: 96% (maximum)
• Output Ripple: <30mV
• Switching frequency: 1.5MHz (highest) typically 1MHz
• Operating Temperature: -45°C ~ +85°C
• Size: 22mm * 17mm (L * W)

MAX471 voltage/current sensor

• Test Voltage range: DC3 – 25V
• Test Current range: DC 0 – 3A
• analogue output VT corresponds to 0.2 * VIN
• analogue output AT corresponds to VIN-VOUT current (eg. AT=3V means 3A)