Model No: TPS56637RPAR
Texas Instruments TPS56637RPAR
Manufacturer: Texas Instruments
SEMICON NO.: TPS56637RPAR
Package: 10-PowerVFQFN
Stock: In stock
Description: Buck Switching Regulator IC 0.6V 1 Output 6A
SEMICON NO.: TPS56637RPAR
Package: 10-PowerVFQFN
Stock: In stock
Description: Buck Switching Regulator IC 0.6V 1 Output 6A
Quantity :
| Mfr | Texas Instruments |
| Input Voltage Range | 4.5 V to 18 V |
| Output Voltage Range | 0.6 V to 5.5 V (adjustable via feedback) |
| Output Current | 6 A (continuous) |
| Switching Frequency | 600 kHz (fixed) |
| Peak Efficiency | 95% (typical at 12 VIN, 3.3 VOUT) |
| Control Method | Voltage Mode Control with Eco-Mode™ |
| Package/Sizees | 10-PowerVFQFN |
| Operating Temperature | -40°C to +125°C |
| Protection Features | Overcurrent, Overtemperature, UVLO, Soft-Start |
| Quiescent Current | 150 µA (typical in Eco-Mode) |
| Integrated Components | High-side and Low-side MOSFETs |
TPS56637RPAR High-Efficiency Synchronous Buck ConverterOverview
The TPS56637RPAR is a 6A, 4.5V–28V input synchronous buck converter optimized for high-density power delivery in industrial, automotive, and consumer electronics. Integrating 26mΩ/12mΩ MOSFETs, it delivers 0.6V–13V adjustable output with ±1% reference accuracy and supports 500kHz switching frequency. The device employs TI’s D-CAP3™ control mode for fast transient response and low output voltage ripple, eliminating external compensation components. It features dual operating modes (Eco-mode™ for light-load efficiency and FCCM for strict ripple compliance), configurable via the MODE pin. With integrated protection (OVP, UVP, OCP, OTP, UVLO), a 2ms soft-start, and a 10-pin 3.0mm×3.0mm HotRod™ QFN package, it balances thermal performance (–40°C to +150°C TJ) with space efficiency.
The TPS56637RPAR is a 6A, 4.5V–28V input synchronous buck converter optimized for high-density power delivery in industrial, automotive, and consumer electronics. Integrating 26mΩ/12mΩ MOSFETs, it delivers 0.6V–13V adjustable output with ±1% reference accuracy and supports 500kHz switching frequency. The device employs TI’s D-CAP3™ control mode for fast transient response and low output voltage ripple, eliminating external compensation components. It features dual operating modes (Eco-mode™ for light-load efficiency and FCCM for strict ripple compliance), configurable via the MODE pin. With integrated protection (OVP, UVP, OCP, OTP, UVLO), a 2ms soft-start, and a 10-pin 3.0mm×3.0mm HotRod™ QFN package, it balances thermal performance (–40°C to +150°C TJ) with space efficiency.
Technical Specifications and Features
- Input/Output Range: 4.5V–28V input, 0.6V–13V adjustable output (6A continuous).
- Efficiency: 95% peak efficiency at 12V input/5V output.
- Control Mode: D-CAP3™ for fast transient response; supports low-ESR MLCC/POSCAP capacitors.
- Operating Modes: Eco-mode™ (light-load efficiency) or FCCM (low ripple) via MODE pin.
- Protection: Cycle-by-cycle OCP, non-latching OVP/UVP/OTP, UVLO with hysteresis.
- Package: 10-pin 3.0mm×3.0mm HotRod™ QFN (VQFN-10-HR).
- Key Features: 2ms soft-start, power-good indicator, output discharge, and RoHS-compliant.
Synchronous Buck Converter Applications
- Industrial Automation: PLCs, motor drives, and robotics requiring 12V/24V bus conversion.
- Automotive Infotainment: Telematics units, dashboards, and USB-C PD power delivery.
- Consumer Electronics: 4K TVs, set-top boxes, and gaming consoles with tight form factors.
- Enterprise Systems: Servers, storage arrays, and networking equipment needing 6A load capacity.
- Portable Medical Devices: Diagnostic tools and wearables with multi-rail power requirements.
6A DC/DC Module Advantages and Limitations
1)Advantages
1)Advantages
- High Integration: Eliminates external MOSFETs and compensation, reducing BOM cost and PCB area.
- Flexible Modes: Eco-mode™ improves light-load efficiency, while FCCM meets stringent ripple specs.
- Wide Input Range: Supports 12V/19V/24V buses and battery-powered applications (e.g., e-bikes).
- Thermal Robustness: Operates up to +150°C junction temperature, suitable for harsh environments.
2)Limitations
- Switching Frequency: Fixed 500kHz limits external component optimization for noise-sensitive designs.
- No Remote Sense: Requires careful PCB layout to minimize IR drop for precision applications.
- Package Size: Small QFN may challenge soldering processes in high-volume manufacturing.
Alternative IC Models
Model | Output Current | Input Range | Switching Frequency | Key Features |
6A | 4.5V–28V | 500kHz | D-CAP3™, Eco-mode™/FCCM, 10-pin QFN | |
3A | 4.5V–36V | 600kHz–2.2MHz | Integrated inductor, spread spectrum | |
6A | 4.5V–60V | 570kHz | Adjustable frequency, remote sense | |
6A | 4.5V–36V | 400kHz | AEC-Q100 Grade 1, wettable flank QFN |
- Prioritize TPS56637RPAR for high-density, cost-sensitive designs requiring 6A output and EMI compliance.
- Choose LMZM23603 if a smaller footprint or higher frequency is critical, despite lower current.
- Opt for TPS54360B for applications needing remote sensing or adjustable frequency (e.g., telecom).
- Select MPQ4436A-AEC1 for automotive designs with stringent reliability and traceability demands.
