Method and system for temperature regulation for a portable charger

A method comprising:

• receiving, by a first microcontroller connected to a plugsense line and a ground line, temperature data from a first pair of redundant temperature sensors and a second pair of redundant temperature sensors, wherein the first pair of redundant temperature sensors are proximate a first plug, and wherein the second pair of redundant temperature sensors are proximate a second plug;
• transmitting, by the first microcontroller a data packet comprising temperature data from the first pair of redundant temperature sensors and the second pair of redundant temperature sensors to a first switch;
• and
• transmitting, by the first switch the received data packet by lowering voltage in the plugsense line.

A system comprising:

• a first pair of redundant temperature sensors proximate a first plug;
• a second pair of redundant temperature sensors proximate a second plug;
• a first microcontroller connected to a plugsense line and a ground line, wherein the first microcontroller is configured to receive temperature data from the first pair of redundant temperature sensors and the second pair of redundant temperature sensors;
• a first switch configured to receive a data packet comprising temperature data from the first pair of redundant temperature sensors and the second pair of redundant temperature sensors, wherein the first switch transmits the data packet by lowering voltage in the plugsense line;
• a second microcontroller configured to generate a status signal;
• a second switch configured to receive the status signal from the second microcontroller;
• a first comparator connected to the plugsense line, wherein the first comparator is configured to detect the status signal from the second switch as the voltage in the plugsense line is lowered, wherein the first comparator is further configured to transmit the signal to the first microcontroller;
• a second comparator connected to the plugsense line, wherein the second comparator is configured to detect the data packet from the first switch as the voltage in the plugsense line is lowered, wherein the second comparator is further configured to transmit the signal to the second microcontroller, wherein the second microcontroller is further configured to determine if any temperature sensor of the first pair of redundant temperature sensors and the second pair of redundant temperature sensors is stuck or open, wherein the second microcontroller is further configured to reduce a charging current if the temperature in the data packet exceeds a threshold.