无刷电机控制器
WT51FM16
/ WT51FM24
/ WT51FM24
【 General Description 】 |
WT51FM16/51FM24是一款采用8 位CISC架构的高整合直流无刷电机控制系统芯片 (SoC)。内建16K位元组的快闪记忆体、512字节的SRAM、12V to 5V LDO、电机BEMF换相侦测电路、双N架构30V gate driver、smart fan通信接口与可直接在风扇端刻录功能等等。 |
WT51FM16/51FM24可直接操作于12V BLDC电机系统不需要外挂hall sensor与gate driver,其中WT51FM16采用QFN16 (4 mm x 4 mm),适用于单相BLDC Motor应用,而WT51FM24采用QFN24封装 (4 mm x 4 mm),则适用于三相BLDC Motor应用。 |
【 Features 】 | |
● | 1T 8052 core, MCS-51 instruction set compatible |
● | Instruction execution time: Min. = 41.67ns @24MHz |
● | 512 Bytes of RAM (256 Bytes of standard 8052 internal Data RAM + 256 Bytes of external RAM) |
● | 16K Bytes of flash memory for program storage |
● | Supporting Internal Clock Oscillators: |
- 24MHz RC oscillator | |
- 32kHz RC oscillator | |
● | Dual 16-bit Data Pointers (DPTR0 & DPTR1) |
● | Three 16-bit Timer/Counters (Timer0, Timer1, Timer2) |
● | One PWMIN Duty Capture 16-bit Timer/Counters |
● | One Hall/BEMF Capture 16-bit Timer/Counters |
● | Built-in Gate Driver Unit for Single/Three Phase Motor Control |
● | Built-in Sensorless BEMF Detection Circuit |
● | Built-in Over Current Detection Circuit |
● | Built-in 16*16 Hardware Multiplier & Right shift 16-bits |
● | One Watchdog Timer (WDT) |
● | One Watch Timer |
● | One UART (UART0), supports baud rate 2400bps ~ 460800bps (at 24MHz) |
● | Emulated E2PROM |
● | One master/slave I2C interface |
● | 16-channel 10-bit Analog/Digital Converter (ADC0 ~ ADC15) |
● | 7 external Interrupt IRQ pins (IRQ0 ~ IRQ14) |
● | 8 programmable bi-directional I/O pins |
● | Low Voltage Detection Reset (LVDR) and under voltage lock out (UVLO) |
● | On-chip Power On Reset (POR) and Low Voltage Reset (LVR) |
● | Built-in single-wire In-Circuit Emulator (ICE) and In-System Program (ISP) |
● | Read Out Protection |
● | Operating voltage range VBB=VIN: 5V to 15V |
● | Operating temperature: -40℃ to +105℃ |
● | Package: QFN16 (4mmx4mm) for WT51FM16, QFN24 (4mmx4mm) for WT51FM24 |