Texas Instruments TPS62827ADMQR, Step-Down Buck Regulator, Adjustable Output, 4 A, 2.4–5.5 V Input, 2.2 MHz, Synchronous Rectifier, -40 to 125°C, 6-VSON-HR (1.5x1.5 mm), Tape & Reel.
| Parameter | Value |
|---|---|
| Output type | Adjustable |
| Mounting | Surface Mount |
| Voltage - input | 5.5V |
| Voltage - output | 4V |
| Voltage - output (Min (Fixed)) | 0.6V |
| Output current | 4A |
| Frequency | 2.2MHz |
| I/O channels | 1 |
| Operating temperature | -40°C ~ 125°C (TJ) |
| Package | Tape & Reel (TR) Cut Tape (CT) |
| Function | Step-Down |
| Topology | Buck |
| Case | 6-VFDFN |
| Output configuration | Positive |
| Synchronous rectifier | Yes |
With an integrated synchronous rectifier, the TPS62827ADMQR eliminates the external freewheeling diode, reducing board area and improving efficiency at light loads. This matters for battery-powered designs where every milliampere-hour counts, and for thermally constrained enclosures where lower dissipation means less derating.
Within the TI portfolio, the LMR33630APCQRNXRQ1 is a similar synchronous buck converter rated for 3 A output, also in a small package with a 2.1 MHz switching frequency. The primary difference is the lower current rating (3 A vs 4 A), which may limit its use in higher-load designs. The TPS62827ADMQR's 4 A output and 2.2 MHz switching give it an edge for compact, higher-power rails.
The TPS62827ADMQR is listed with a Tape & Reel (TR) and Cut Tape (CT) package option, which typically indicates RoHS-compliant, lead-free construction. Verify the specific date-code lot certificate if compliance documentation is required for your BOM audit.