HT45F0059

Single IGBT Continuous Heating Induction Cooker Flash MCU

General Information

The HT45F0059 is a Flash Memory type 8-bit high performance RISC architecture microcontroller especially designed for induction cooker applications.

For memory features, the Flash Memory offers users the convenience of multi-programming features. Other memory includes an area of RAM Data Memory as well as an area of true EEPROM memory for storage of non-volatile data such as serial numbers, calibration data etc.

Analog features include a multi-channel 12-bit A/D converter, an OPAMP and multiple comparators functions. Easy communication with the outside world is provided using the internal I2C interface. Protective features such as an internal Watchdog Timer, Low Voltage Reset and Low Voltage Detector coupled with excellent noise immunity and ESD protection ensure that reliable operation is maintained in hostile electrical environments. In addition, the device can generate two types voltage slew-rate (Quick Slew-Rate or Slow Slew-Rate) by the integrated Level Shifter to drive IGBT gate. Users can control the IGBT driving pulse wave time and the voltage slew-rate to achieve the induction cooker low power continuous heating function and reduce EMI interference.

The device also includes fully integrated high and low speed oscillators which require no external components for their implementation. The ability to operate and switch dynamically between a range of operating modes using different clock sources gives users the ability to optimise microcontroller operation and minimise power consumption.

The device contains all the level shifting circuitry required match the high voltage and high current requirements of IGBT devices. To prevent malfunctions and possible system damage, an internal voltage detector monitors the system voltage level to determine if the level shifter can be enabled or not.

The inclusion of flexible I/O programming features, Timers, a Programmable Pulse Generator, an Over Voltage Protection, a Peripheral Clock Output along with many other features ensure that the device will find excellent use in induction cooker applications.

 

CPU Features

Operating voltage

fSYS =16MHz: 3.3V~5.5V

Up to 0.25μs instruction cycle with 16MHz system clock at VDD =5VAvailable
Power down and wake-up functions to reduce power consumptionAvailable
Oscillator types
  • Internal High Speed 16MHz RC – HIRC
  • Internal Low Speed 32kHz RC – LIRC
Multi-mode operation

FAST, SLOW, IDLE and SLEEP

Fully integrated internal oscillators require no external componentsAvailable
All instructions executed in 1~3 instruction cyclesAvailable
Table read instructionsAvailable
115 powerful instructionsAvailable
8-level subroutine nestingAvailable
Bit manipulation instructionAvailable

Peripheral Features

Flash Program Memory

4K×16

Data Memory

256×8

True EEPROM Memory

32×8

Watchdog Timer functionAvailable
12 bidirectional I/O linesAvailable
9 external channel 12-bit resolution A/D converter with Internal Reference Voltage VBGAvailable
9-bit programmable pulse generator
  • Pulse width limit function
  • Continuous heating function
  • Two sets of 9-bit PPG preload registers and two sets of 9-bit timer approach registers
  • Non-retriggered control from 8-bit Timer/Event Counter 1
  • Active high pulse, active low pulse, force low or force high output
Three 8-bit programmable timer/event counters
  • Timer/Event Counter 0 can be configured to count synchronism pulse number or measure synchronism pulse high or low period
  • Timer/Event Counter 1 can be configured to implement PPG non-retriggered function
Four comparatorsAvailable
Single Operational Amplifier – OPAMPAvailable
Single Over Voltage Protection – OVPAvailable
Peripheral clock outputAvailable
I2C InterfaceAvailable
Integrated 16-bit Cyclic Redundancy Check function – CRCAvailable
Low voltage reset functionAvailable
Low voltage detect functionAvailable
Package type

16-pin NSOP

IGBT Driver Features

Integrated Low Dropout Voltage Regulator – LDO
  • Output driving capability: 30mA(Max.)
  • Low quiescent current: 5μA(Typ.)
  • Low drop voltage
Integrated Level ShifterAvailable
Voltage detect protection for level shift output enable control
  • Detect VDD
  • Detect VCC2

Resources

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