DRV8434RGER vs AMT49100 对比
详细并排对比 DRV8434RGER 出自 Texas Instruments 和 AMT49100 出自 Allegro MicroSystems。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 | DRV8434RGER | AMT49100 |
|---|---|---|
| 品牌 | Texas Instruments | Allegro MicroSystems |
| 分类 | Motor Drivers | Power MOSFET Drivers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $2.79 | $4.43 |
| 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 | — |
| 工作温度范围 | -40 C to +125 C | -40C to +150C (junction) |
| 封装 | VQFN-24 (RGE) 4x4 mm with thermal pad | 48-LQFP-EP (7x7 mm) with exposed thermal pad |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 2 (per JEDEC J-STD-020) | — |
| RoHS 状态 | Compliant | — |
| Lead-Free / Halogen-Free | Yes / Yes | — |
| Spread Spectrum Clocking | Yes | — |
| 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 |
| 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 |
| Target Application | — | 48V automotive BLDC motor control |