DRV8434RGER vs AMT49100 Comparison
Detailed side-by-side comparison of DRV8434RGER by Texas Instruments and AMT49100 by Allegro MicroSystems. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Texas Instruments
DRV8434RGER - 48V 2.5A Stepper Driver VQFN-24 | Texas Instruments
DRV8434RGER ✓ ActiveAllegro MicroSystems
AMT49100 - 80V Automotive 3-Phase MOSFET Gate Driver | Allegro
AMT49100 ✓ ActiveSpecification Comparison
| Parameter | DRV8434RGER | AMT49100 |
|---|---|---|
| Brand | Texas Instruments | Allegro MicroSystems |
| Category | Motor Drivers | Power MOSFET Drivers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (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 | — |
| Operating Temperature Range | -40 C to +125 C | -40C to +150C (junction) |
| Package | VQFN-24 (RGE) 4x4 mm with thermal pad | 48-LQFP-EP (7x7 mm) with exposed thermal pad |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 2 (per JEDEC J-STD-020) | — |
| RoHS Status | Compliant | — |
| Lead-Free / Halogen-Free | Yes / Yes | — |
| Spread Spectrum Clocking | Yes | — |
| Driver Type | — | Three-phase N-channel MOSFET gate driver |
| Number of Outputs | — | 3 half-bridges (6 gate drivers) |
| Maximum Supply Voltage | — | 80 V |
| Minimum Operating Voltage | — | 10 V |
| Topology | — | 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 |