Texas Instruments TPS61021DSGR, Step-Up Boost Converter, 3A (Switch), 2MHz, Adjustable Output, 8-WFDFN Exposed Pad, -40 to 125°C.
| Parameter | Value |
|---|---|
| Output type | Adjustable |
| Mounting | Surface Mount |
| Voltage - input | 4.4V |
| Voltage - output | 4V |
| Voltage - output (Min (Fixed)) | 1.8V |
| Output current | 3A (Switch) |
| Frequency - switching | 2MHz |
| I/O channels | 1 |
| Operating temperature | -40°C~125°C(TJ) |
| Package | Tape & Reel (TR) |
| Function | Step-Up |
| Topology | Boost |
| Case | 8-WFDFN Exposed Pad |
| Output configuration | Positive |
| Synchronous rectifier | Yes |
The TPS61021DSGR is a single-output, positive-configuration step-up (boost) converter with an integrated 3 A switch and synchronous rectification. It switches at 2 MHz.
Rework is doable with hot air; the 2x2 mm body is small but the pad is centred, so alignment is straightforward.