Texas Instruments LM251772 Evaluation Module
Texas Instruments LM251772 Evaluation Module demonstrates a flexible high-power buck-boost design using the LM251772 four-switch buck-boost controller. This module features a 9V to 36V input voltage range, a 5V to 48V output voltage range, 5A load current, and 320kHz switching frequency. The LM251772 evaluation module operates at >95% ultra-high peak power conversion efficiency. This evaluation module provides cable drop compensation, operation mode (PSM or FPWM), bias supply, and external clock synchronization. The LM251772 evaluation module is ideal for docking stations, PC monitors, desktop PC, wireless charging, DC/DC modules, and industrial/rugged PC.
Features
- Wide input voltage range
- >95% ultra-high peak power conversion efficiency
- Adjustable output voltage using feedback resistor divider or I2C interface
- Optional Synchronization (SYNC)
- Easy configuration of the current monitor or limiter
- Support for cable drop compensation
- Output disconnect support
- Programmable input Under-Voltage Lockout (UVLO) threshold and hysteresis
- Output Constant Voltage (CV) and Constant Current (CC) options
- I2C interface with USB2ANY and GUI
- Setting of configuration resistor RCFG2 through DIP switches
Applications
- USB Type-C® power delivery:
- Docking station
- PC monitor
- Desktop PC
- Wireless charging
- Industrial PC and rugged PC
- DC/DC modules
Typical EVM Connection Diagram
Efficiency Graph
Related Controller
Texas Instruments LM251772 36V 4-Switch Buck-Boost Controller
36V, 4-Switch, Buck-Boost Controller features a regulated output voltage.
Published: 2025-06-30
| Updated: 2025-07-17