HT45F5Q-2A
HT45F5Q-2A is Charger Flash MCU manufactured by Holtek Semiconductor.
Features
CPU Features
- Operating voltage
- f SYS=8MHz: 2.2V~5.5V
- Up to 0.5μs instruction cycle with 8MHz system clock at VDD=5V
- Power down and wake-up functions to reduce power consumption
- Oscillator types:
- Internal High Speed 8MHz RC
- HIRC
- Internal Low Speed 32k Hz RC
- LIRC
- Multi-mode operation: FAST, SLOW, IDLE and SLEEP
- Fully integrated internal oscillators require no external ponents
- All instructions executed in one or two instruction cycles
- Table read instructions
- 61 powerful instructions
- 6-level subroutine nesting
- Bit manipulation instruction
Peripheral Features
- Flash Program Memory: 2K×15
- RAM Data Memory: 128×8
- Emulated EEPROM Memory: 32×15
- Watchdog Timer function
- 15 bidirectional I/O lines
- One pin-shared external interrupt
- One Timer Module for time measurement, pare match output or PWM output
- Dual Time Base functions for generation of fixed time interrupt signals
- Fully-duplex/Half-duplex Universal Asynchronous Receiver and Transmitter Interface
- UART
- 7 external channel 12-bit resolution A/D converter
- Battery charger circuit
- 14-bit D/A Converter and OPA0 are used for constant current control
- 12-bit D/A Converter and OPA1 are used for constant voltage control
- OPA2 is 20 times amplifier for current sense
- Low voltage reset function
- Package types: 16/20-pin NSOP
Development Tools
For rapid product development and to simplify device parameter setting, Holtek has provided relevant development tools which users can download from the following link: https://.holtek./page/tool-detail/dev_plat/power/Charger_Development_Workshop https://.holtek./page/tool-detail/dev_plat/power/Charger_Volume_Production_Fixture
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