Texas Instruments

Series: TPS543C20

Part Number: TPS543C20RVFT


Distributor SKU Stock Cost
Digi-Key 296-46651-1-ND 0 $11.31 Buy
TI store TPS543C20EVM-869 65 $0.00 Buy
TI store TPS543C20RVFT 772 $11.31 Buy
TI store TPS543C20EVM-799 60 $0.00 Buy
Farnell TPS543C20EVM-869 6 * $0.00 Buy
Farnell TPS543C20RVFT * $8.01 Buy
element14 APAC TPS543C20EVM-869 6 * $0.00 Buy
Newark TPS543C20EVM-869 6 $0.00 Buy
AVNET Express TPS543C20RVFT $6.16 Buy
Newark TPS543C20EVM-799 2 $0.00 Buy
element14 APAC TPS543C20EVM-799 2 * $0.00 Buy
Newark TPS543C20RVFT 250 $0.00 Buy
element14 APAC TPS543C20RVFT * $0.00 Buy
Mouser Electronics 595-TPS543C20RVFT 250 $11.01 Buy
Farnell TPS543C20EVM-799 2 * $0.00 Buy
AVNET Europe TPS543C20RVFT * $7.03 Buy

The TPS543C20 employs an internally compensated emulated peak-current-mode control, with a clock synchronizable, fixed-frequency modulator for EMI-sensitive POL. The internal integrator and directly amplifying ramp tracking loop eliminate the need for external compensation over a wide range of frequencies thereby making the system design flexible, dense, and simple. Optional API and body braking help improve transient performance by significantly reducing undershoot and overshoot, respectively. Integrated NexFET MOSFETs with low-loss switching facilitate high efficiency and deliver up to 40 A in a 5-mm × 7-mm PowerStack™ package with a layout friendly thermal pad. Two TPS543C20 devices can be stacked together to provide up to 80-A point-of-load.


  • Internally-Compensated Advanced Current Mode Control 40-A POL
  • Input Voltage Range: 4 V to 16 V
  • Output Voltage Range: 0.6 V to 5.5 V
  • Integrated 3/0.9-mΩ Stacked NexFET Power Stage With Lossless Low-Side Current Sensing
  • Fixed Frequency - Synchronization to an External Clock and/or Sync Out
  • Pin Strapping Programmable Switching Frequency
    • 300 kHz to 2 MHz for Standalone
    • 300 kHz to 1 Mhz for Stackable
  • Stack 2X for up to 80 A With Current Share, Voltage Share, and CLK Sync
  • Pin Strapping Programmable Reference from 0.6 V to 1.1 V With 0.5% Accuracy
  • Differential Remote Sensing
  • Safe Start-Up into Pre-Biased Output
  • High-Accuracy Hiccup Current Limit
  • Asynchronous Pulse Injection (API) and Body Braking
  • 40-pin, 5-mm × 7-mm LQFN Package with 0.5-mm Pitch and Single Thermal Pad
  • Create a Custom Design Using the TPS543C20 With the WEBENCH Power Designer


Reference Designs

Title Manufacturer Part Number
1V, 20A Highly Integrated Synchronous Buck Converter Reference Design Texas Instruments PMP20050