产品概览
TDA21470 from ST is a 3-phase gate driver for motor control. 600V bootstrap. 4A output. Interlocking. UVLO. DESAT. LQFP-48.
工作原理
Three half-bridge drivers in one IC. Bootstrap for high-side. Interlocking prevents shoot-through. UVLO and DESAT protection. SPI for diagnostics. Direct PWM input from MCU.
Pin Description
| 别针组 | 名称 | 功能 |
|---|---|---|
| 大门 | GH1-3/GL1-3 | Gate outputs |
| 电源 | BOOT1-3/COM | Bootstrap/common |
| 输入 | IN1-3/EN | PWM/enable |
应用
- 3-phase BLDC motor drive
- PMSM inverter
- Industrial servo
Alternative Models
| 制造商 | 部件编号 | 说明 |
|---|---|---|
| ST | TDA21472 | Enhanced version |