MCF8315C-Q1
- Three-phase BLDC motor driver with integrated sensorless motor control algorithm
- Code-free Field Oriented Control (FOC)
- Offline motor parameters measurement with Motor Parameter Extraction Tool (MPET)
- 5-point configurable speed profile support
- Windmilling support through forward resynchronization and reverse drive
- Analog, PWM, freq. or I2C based speed input
- Configurable motor start-up and stop options
- Anti-voltage surge (AVS) protection
- Improved acoustic performance with automatic dead time compensation
- Variable monitoring through DACOUT pin
- 4.5 to 35V operating voltage (40V abs max)
- High output current capability: 4-A peak
- Low MOSFET on-state resistance
- RGF: RDS(ON)(H+L) at TJ=25°C: 240mΩ(typ.)
- RRY: RDS(ON)(H+L) at TJ=25°C: 250mΩ(typ.)
- PWP: RDS(ON)(H+L) at TJ=25°C: 265mΩ(typ.)
- Low power sleep mode: Refer
- 5µA (maximum) at VVM = 24V, TA = 25°C
- Speed loop accuracy: 3% with internal clock and 1% with external clock reference
- Customer-configurable non-volatile memory (EEPROM) to store device configuration
- Supports up to 60-kHz PWM frequency for low inductance motor support
- Does not require external current sense resistors; uses built-in current sensing
- Built-in 3.3V, 20mA LDO regulator
- Built-in 3.3V/5V, 170mA buck regulator
- Dedicated DRVOFF pin to disable (Hi-Z) outputs
- Spread spectrum and slew rate for EMI mitigation
- A suite of integrated protection features
- Supply under voltage lockout (UVLO)
- Supply over voltage protection (OVP)
- Motor lock detection (5 different types)
- Over current protection (OCP)
- Thermal warning and shutdown (OTW/TSD)
- Fault condition indication pin (nFAULT)
- Optional fault diagnostics over I2C interface
The MCF8315C-Q1 provides a single-chip, code-free sensorless FOC solution for customers driving speed-controlled 12 to 24V brushless-DC motors (BLDC) or Permanent Magnet Synchronous motor (PMSM) up to 4A peak current. The MCF8315C-Q1 integrates three ½-bridges with 40V absolute maximum capability and a low RDS(ON) of 240/250/265mΩ (high-side + low-side FETs). MCF8315C-Q1 integrates power management circuits including a voltage-adjustable buck regulator (3.3V/5V, 170mA) and LDO (3.3V/20mA) that can be used to power external circuits.
The FOC algorithm configuration can be stored in non-volatile EEPROM, which allows the device to operate stand-alone once it has been configured. The device receives a speed command through a PWM input, analog voltage, variable frequency square wave or I2C command. There are a large number of protection features integrated into the MCF8315C-Q1, intended to protect the device, motor, and system against fault events.
MCF8315C-Q1 is available in three packages - 40-pin 7x5mm wettable-flank QFN (RGF), 32-pin 6x4mm wettable-flank QFN (RRY) and 24-pin 7.8x6.4mm HTSSOP (PWP).
技術文件
| 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | MCF8315C-Q1 Sensorless Field Oriented Control (FOC) Integrated FET BLDC Driver datasheet | PDF | HTML | 2023年 5月 16日 |
設計與開發
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MCF8315EVM — 適用三相無感測器 FOC 整合式 MOSFET BLDC 馬達驅動器的 MCF8315 評估模組
MCF8315 有三個半全橋整合式 MOSFET 驅動器，適用 4.5-V 至 35-V、5-A 尖峰電流驅動之三相無刷 DC (BLDC) 馬達的無感測器 FOC 控制。MCx8315 整合降壓穩壓器，透過可程式編輯的穩壓電源支援 200-mA。
EVM 包括板載 MSP430、MSP430FR2355，可用做與 MCF8315EVM GUI 的介面。
| 封裝 | 引腳 | 下載 |
|---|---|---|
| VQFN (RGF) | 40 | 檢視選項 |
訂購與品質
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 資格摘要
- 進行中可靠性監測
- 晶圓廠位置
- 組裝地點