Weltrend | Products

BLDC motor drivers and controllers

WT51FS16

WT51FS16 is an 8-bit BLDC motor controller series product. It uses an 8-bit 8052 core with an operating frequency of up to 24MHz, a Flash memory of up to 16K bytes, an SRAM of up to 512 bytes, and a wealth of peripherals and interfaces. WT51FS16 can be used with external Hall sensors in 5V motor applications. Green packages include MSOP10 for single-phase and QFN16 for three-phase BLDC motor systems.

Features

- 1T 8052 core, MCS-51 instruction set compatible
- Instruction execution time: Min. = 41.67ns @24MHz
- 512 Bytes of RAM
- 16K Bytes of flash memory for program storage
- Supporting Internal Clock Oscillators: 48MHz 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 Capture 16-bit Timer/Counters
- Built-in Over Current Detection Circuit
- Built-in 16*16 Hardware Multiplier & Right shift 16-bits
- One Watch Timer
- One UART (UART0), supports baud rate 2400bps ~ 460800bps (at 24MHz)
- Emulated E2PROM
- 10-bit Analog/Digital Converter
- 7 programmable bi-directional I/O pins (12mA)
- Low Voltage Detection Reset (LVDR)
- On-chip Power On Reset (POR) and Low Voltage Reset (LVR)
- Built-in two/single-wire In-Circuit Emulator (ICE) and In-System Program (ISP)
- Read Out Protection
- Operating voltage range: 1.8V ~ 5.5V
- Operating temperature: - 40℃ ~ +105℃
- Package: MSOP10 (118 mil), QFN16 (4mm x 4mm)

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