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The L6228 device is a DMOS fully integrated stepper motor driver with non-dissipative overcurrent protection, realized in BCD technology, which combines isolated DMOS power transistors with CMOS and bipolar circuits on the same chip. The device includes all the circuitry needed to drive a two phase bipolar stepper motor including: a dual DMOS full bridge, the constant off time PWM current controller that performs the chopping regulation and the phase sequence generator, that generates the stepping sequence. Available in PowerSO36 and SO24 (20 + 2 + 2) packages, the L6228 device features a non-dissipative overcurrent protection on the high-side power MOSFETs and thermal shutdown.
主要特性
- Operating supply voltage from 8 to 52 V
- 2.8 A output peak current (1.4 A RMS)
- RDS(ON) 0.73 Ω typ. value at Tj = 25 °C
- Operating frequency up to 100 KHz
- Non-dissipative overcurrent protection
- Dual independent constant tOFF PWM current controllers
- Fast/slow decay mode selection
- Fast decay quasi-synchronous rectification
- Decoding logic for stepper motor full and half step drive
- Cross conduction protection
- Thermal shutdown
- Undervoltage lockout
- Integrated fast freewheeling diodes
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样片和购买
| 产品型号 | 供货状态 | 封装 | 包装类型 | 温度（ºC） | ECCN (US) | Country of Origin | Approximate Price (US$)* / Qty | 从ST订购 | 从分销商订购 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 最小值 | 最大值 | |||||||||
| L6228PD | 批量生产 | PowerSO 36 | Tube | -40 | 150 | EAR99 | MALAYSIA | 6.29 / 1k | 立即购买 | 查看供货情况 |
| L6228D | 批量生产 | SO-24 | Tube | -40 | 150 | EAR99 | MALAYSIA | 6.30 / 1k | 立即购买 | 查看供货情况 |
| L6228PDTR | 批量生产 | PowerSO 36 | Tape And Reel | -40 | 150 | EAR99 | MALAYSIA | 3.373 / 1k | 获取样片 | 查看供货情况 |
| L6228DTR | 批量生产 | SO-24 | Tape And Reel | -40 | 150 | EAR99 | MALAYSIA | 3.036 / 1k | 获取样片 | 查看供货情况 |
评估工具
| 产品型号 | 供货状态 | 封装 | 等级规格 | 符合RoHS级别 | 材料声明** |
|---|---|---|---|---|---|
| L6228D | 批量生产 | SO-24 | Industrial | Ecopack1 | |
| L6228DTR | 批量生产 | SO-24 | Industrial | Ecopack1 | |
| L6228PD | 批量生产 | PowerSO 36 | Industrial | Ecopack2 (**) | |
| L6228PDTR | 批量生产 | PowerSO 36 | Industrial | Ecopack2 (**) | |
L6228D
Package:
SO-24Material Declaration**:
L6228DTR
Package:
SO-24Material Declaration**:
L6228PD
Package:
PowerSO 36Material Declaration**:
L6228PDTR
Package:
PowerSO 36Material Declaration**:
(**) st.com上提供的材料声明表单可能是基于包装系列中最常用的封装的通用文档。因此，它们可能不是100%适用于特定的设备。有关特定设备的信息，请联系 销售支持 。
