Texas Instruments TPS62043DGQ, Step-Down Buck Regulator, Fixed 1.6V Output, 1.2A, 1.25MHz, Synchronous Rectifier, 10-HVSSOP, -40°C to 85°C.
| Parameter | Value |
|---|---|
| Output type | Fixed |
| Mounting | Surface Mount |
| Voltage - input | 2.5V |
| Voltage - output (Min (Fixed)) | 1.6V |
| Output current | 1.2A |
| Frequency - switching | 1.25MHz |
| I/O channels | 1 |
| Operating temperature | -40°C~85°C(TA) |
| Package | Tube |
| Function | Step-Down |
| Topology | Buck |
| Case | 10-PowerTFSOP, 10-MSOP (0.118\", 3.00mm Width) |
| Output configuration | Positive |
| Synchronous rectifier | Yes |
The TPS62043DGQ is a fixed-output synchronous buck regulator from TI that delivers 1.2 A at exactly 1.6 V — no feedback divider, no external resistor pair.
At 1.2 A continuous output, this part covers the mid-range of the TPS6204x family. If your downstream load peaks at 1 A, you have 20 % headroom before you hit the limit — enough to cover inrush and transient spikes without oversizing the inductor.
The TPS62043DGS shares the same base product number and the same fixed 1.6 V output, but comes in a different package — MSOP-10 versus the HVSSOP-10 of the DGQ suffix. The pinout is the same, but the thermal pad differs; verify the PCB footprint and thermal land pattern before swapping.
No. The part is internally compensated — the datasheet shows the typical application uses only the input cap, output cap, and inductor. No external RC network across the error amp.
The package is a 10-lead HVSSOP, also described as 10-PowerTFSOP, 10-MSOP with 0.118-inch body width. The tube packaging is standard for this variant. RoHS compliance is typical for TI's current-production PowerPAD parts, though the evidence does not carry a specific RoHS certificate.