Texas Instruments LM644A2QEVM-S2100T Evaluation Module (EVM)
Texas Instruments LM644A2QEVM-S2100T Evaluation Module (EVM) showcases the features and performance of the LM644A2-Q1 dual buck DC/DC converter with integrated power MOSFETs. The Texas Instruments LM644A2QEVM-S2100T provides a single 12A output with a dual-phase interleaved configuration. The output voltages can be programmed to a fixed 3.3V or 5V or adjustable using external feedback resistors.
Features
- 12A output dual-phase interleaved synchronous buck converter
- Wide operating range of up to 36V
- Default output voltage of 3.3V
- Default switching frequency of 2.1MHz
- High efficiency across a wide load-current range
- Input EMI filter with an electrolytic capacitor for parallel damping (input filter can handle up to 8A input current)
- Clock synchronization and FPWM mode provide constant switching frequency across the full load range
- Integrated input capacitors enable low-noise switching performance
- Pin selectable spread spectrum
- Peak current-mode control architecture with external loop compensation
- Peak current limiting with hiccup-mode overcurrent protection
- Thermal shutdown protection with hysteresis
- PGOOD indicator
- Programmable input UVLO
- 6-layer, 2-oz PC board design with mountable converter heat sink (heat sink provided)
Kit Contents
- LM644A2QEVM-S2100T evaluation module
- SA000-12024 heat sink
Required Equipment
- Supply
- Connect between VIN(+) and VIN(-)
- The power supply must be capable of supplying 12A
- Digital Volt Meter to measure the output voltage between VOUTS(+) and VOUT(–)
- Electronic Load
- Connect to VOUT+ and VOUT-
- The electronic load must be capable of sinking 12A
Applications
- Automotive infotainment and cluster: head unit, media hub, USB charge, display
- Automotive ADAS and body electronics
- General-purpose dual buck converters
Board Layout
Publicerad: 2024-12-13
| Uppdaterad: 2024-12-18