AMT49100 vs DRV8434RGER 对比
详细并排对比 AMT49100 出自 Allegro MicroSystems 和 DRV8434RGER 出自 Texas Instruments。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Texas Instruments
DRV8434RGER - 48V 2.5A Stepper Driver VQFN-24 | Texas Instruments
DRV8434RGER ✓ 量产中规格对比
| 参数 | AMT49100 | DRV8434RGER |
|---|---|---|
| 品牌 | Allegro MicroSystems | Texas Instruments |
| 分类 | Power MOSFET Drivers | Motor Drivers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $4.43 | $2.79 |
| Driver Type | Three-phase N-channel MOSFET gate driver | — |
| 输出数量 | 3 half-bridges (6 gate drivers) | — |
| Maximum Supply Voltage | 80 V | — |
| Minimum Operating Voltage | 10 V | — |
| 拓扑 | 3-phase bridge for external N-MOSFETs | — |
| 封装 | 48-LQFP-EP (7x7 mm) with exposed thermal pad | VQFN-24 (RGE) 4x4 mm with thermal pad |
| 工作温度范围 | -40C to +150C (junction) | -40 C to +125 C |
| Communication Interface | SPI (diagnostics and configuration) | — |
| Safety Rating | ASIL features (BIST, watchdog, diagnostics) | — |
| Charge Pump | Integrated for 100% duty-cycle high-side drive | — |
| VDS Monitoring | Yes (programmable threshold) | — |
| Dead-Time Control | Programmable via SPI | — |
| Gate Drive Current | Programmable | — |
| Fault Diagnostics | Open-load, short-to-ground, short-to-battery, overtemperature | — |
| 安装类型 | Surface Mount | Surface Mount |
| Target Application | 48V automotive BLDC motor control | — |
| Motor Type | — | Bipolar stepper (two-phase) |
| Supply Voltage (VM) | — | 4.5 V to 48 V |
| Continuous Output Current (per H-bridge) | — | 2.5 A |
| Peak Output Current | — | [DATA_NEEDED: peak current] |
| Microstepping Resolution | — | Up to 1/256 |
| Control Interface | — | STEP/DIRECTION (PWM optional) |
| Current Sensing | — | Integrated (no external shunt) |
| Decay Mode | — | SmartTune (automatic), configurable |
| On-Resistance HS+LS (typ.) | — | [DATA_NEEDED: Rdson per bridge] |
| Sleep Current | — | 2 uA typical |
| Internal Reference Voltage | — | 3.3 V |
| Logic Input Voltage | — | 1.8 V, 3.3 V, 5.0 V compatible |
| PWM Off-Time Options | — | 7, 16, 24, 32 microseconds |
| MSL 等级 | — | 2 (per JEDEC J-STD-020) |
| RoHS 状态 | — | Compliant |
| Lead-Free / Halogen-Free | — | Yes / Yes |
| Spread Spectrum Clocking | — | Yes |