Microcontroller with integral switch mode power supply controller

An apparatus for battery charger logic and control, said apparatus comprising:

• a microcontroller;
• a switch mode power supply controller;
• an analog to digital converter connected to said microcontroller;
• and
• an analog input multiplexer connected to said analog to digital converter, said analog input multiplexer having a plurality of analog inputs which are adapted to receive a plurality of condition values from a battery;
• said switch mode power supply controller having at least one analog input, at least one setpoint input, and an output adapted for controlling a power converter which charges the battery;
• said at least one setpoint input of said switch mode power supply controller receiving at least one setpoint from said microcontroller;
• and
• said at least one analog input of said switch mode power supply controller is adapted to receive at least one parameter signal from the power converter, wherein said microcontroller, said switch mode power supply controller, said analog to digital converter, and said analog input multiplexer are fabricated on a single integrated circuit die having an integrated circuit package enclosing said integrated circuit die, wherein said integrated circuit package is selected from a group consisting of plastic dual in-line package (PDIP), small outline (SO), shrink small outline package (SSOP), thin shrink small outline package (TSSOP), windowed ceramic dual in-line package (CERDIP), leadless chip carrier (LCC), plastic leaded chip carrier (PLCC), plastic quad flatpack package (PQFP), thin quad flatpack package (TQFP), pin grid array (PGA), ball grid array (BGA), TO-220, T0-247 and T0-263.

An apparatus for battery charger logic and control, said apparatus comprising:

• a microcontroller;
• a plurality of switch mode power supply controllers;
• an analog to digital converter connected to said microcontroller;
• and
• an analog input multiplexer connected to said analog to digital converter, said analog input multiplexer having a plurality of analog inputs which are adapted to receive a plurality of condition values from a battery,
• wherein said microcontroller, said plurality of switch mode power supply controllers, said analog to digital converter, and said analog input multiplexer are fabricated on a single integrated circuit die;
• each of said plurality of switch mode power supply controllers having at least one analog input, at least one setpoint input, and an output adapted for controlling a power converter which charges the battery;
• said at least one setpoint input of each of said plurality of switch mode power supply controllers receiving at least one setpoint from said microcontroller;
• and
• said at least one analog input of each of said plurality of switch mode power supply controllers adapted to receive at least one parameter signal from the power converter.

An apparatus for battery charger logic and control, said apparatus comprising:

• a microcontroller;
• a plurality of switch mode power supply controllers;
• an analog to digital converter connected to said microcontroller;
• and
• an analog input multiplexer connected to said analog to digital converter, said analog input multiplexer having a plurality of analog inputs which are adapted to receive a plurality of condition values from a plurality of batteries,
• wherein said microcontroller is fabricated on a first integrated circuit die, and said plurality of switch mode power supply controllers, said analog to digital converter, and said analog input multiplexer are fabricated on a second integrated circuit die;
• said plurality of switch mode power supply controllers having a plurality of analog inputs, a plurality of setpoint inputs, and a plurality of outputs adapted for controlling a plurality of power converters which charge the plurality of batteries;
• said plurality of setpoint inputs of said plurality of switch mode power supply controllers receiving a plurality of setpoints from said microcontroller;
• said plurality of analog inputs of said plurality of switch mode power supply controllers adapted to receive a plurality of parameter signals from the plurality of power converters;
• and
• said first and second integrated circuit dice having connections therebetween and being encapsulated in an integrated circuit package.

A system for charging a plurality of batteries, said system comprising:

• a microcontroller;
• a plurality of switch mode power supply controllers;
• an analog to digital converter connected to said microcontroller;
• and
• an analog input multiplexer connected to said analog to digital converter, said analog input multiplexer having a plurality of analog inputs which are adapted to receive a plurality of condition values from a plurality of batteries;
• and
• a plurality of power converters adapted for connection to the plurality of batteries;
• wherein said microcontroller is fabricated on a first integrated circuit die, and said plurality of switch mode power supply controllers, said analog to digital converter, and said analog input multiplexer are fabricated on a second integrated circuit die;
• said plurality of switch mode power supply controllers having a plurality of analog inputs, a plurality of setpoint inputs, and a plurality of outputs for controlling the plurality of power converters which charge the plurality of batteries;
• said plurality of setpoint inputs of said plurality of switch mode power supply controllers receiving a plurality of setpoints from said microcontroller;
• said plurality of analog inputs of said plurality of switch mode power supply controllers receiving a plurality of parameter signals from the plurality of power converters;
• and
• said first and second integrated circuit dice having connections therebetween and being encapsulated in an integrated circuit package.

An apparatus for battery charger logic and control, said apparatus comprising:

• a microcontroller;
• a switch mode power supply controller;
• an analog to digital converter connected to said microcontroller;
• and
• an analog input multiplexer connected to said analog to digital converter, said analog input multiplexer having a plurality of analog inputs which are adapted to receive a plurality of condition values from a battery,
• wherein said microcontroller, said switch mode power supply controller, said analog to digital converter, and said analog input multiplexer are fabricated on a single integrated circuit die;
• said switch mode power supply controller having at least one analog input, at least one setpoint input, and a pulse-position modulation output adapted for controlling a power converter which charges the battery;
• said at least one setpoint input of said switch mode power supply controller receiving at least one setpoint from said microcontroller;
• and
• said at least one analog input of said switch mode power supply controller adapted to receive at least one parameter signal from the power converter.

An apparatus for battery charger logic and control, said apparatus comprising:

• a microcontroller;
• a switch mode power supply controller;
• an analog to digital converter connected to said microcontroller;
• and
• an analog input multiplexer connected to said analog to digital converter, said analog input multiplexer having a plurality of analog inputs which are adapted to receive a plurality of condition values from a battery,
• wherein said microcontroller, said switch mode power supply controller, said analog to digital converter, and said analog input multiplexer are fabricated on a single integrated circuit die;
• said switch mode power supply controller having at least one analog input, at least one setpoint input, and a pulse-skipping modulation output adapted for controlling a power converter which charges the battery;
• said at least one setpoint input of said switch mode power supply controller receiving at least one setpoint from said microcontroller;
• and
• said at least one analog input of said switch mode power supply controller adapted to receive at least one parameter signal from the power converter.