AMT49100 vs DRV8434RGER Comparison
Detailed side-by-side comparison of AMT49100 by Allegro MicroSystems and DRV8434RGER by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Allegro MicroSystems
AMT49100 - 80V Automotive 3-Phase MOSFET Gate Driver | Allegro
AMT49100 ✓ ActiveTexas Instruments
DRV8434RGER - 48V 2.5A Stepper Driver VQFN-24 | Texas Instruments
DRV8434RGER ✓ ActiveSpecification Comparison
| Parameter | AMT49100 | DRV8434RGER |
|---|---|---|
| Brand | Allegro MicroSystems | Texas Instruments |
| Category | Power MOSFET Drivers | Motor Drivers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.43 | $2.79 |
| 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 | — |
| Package | 48-LQFP-EP (7x7 mm) with exposed thermal pad | VQFN-24 (RGE) 4x4 mm with thermal pad |
| Operating Temperature Range | -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 | — |
| Mounting Type | 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 Level | — | 2 (per JEDEC J-STD-020) |
| RoHS Status | — | Compliant |
| Lead-Free / Halogen-Free | — | Yes / Yes |
| Spread Spectrum Clocking | — | Yes |