TPS61200

@@ -0,0 +1,55 @@+# TPS61200++**Texas Instruments** · Switching regulator (boost) · VSON-10++Boosts an input as low as 0.3 V once running, up to a regulated rail as high as 5.5 V, so it runs from a single cell or a nearly-flat battery. The synchronous switches reach 1.3 A peak, a resistor divider at FB sets the output, and an adjustable UVLO (via the UVLO pin) protects the source. It can also pass through or down-convert when the input exceeds the output. Power-save mode keeps light-load efficiency high. Common in single-cell and energy-harvesting supplies.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | VAUX | power_in | Supply voltage for control stage. Provides bias to the internal control circuitry; typically tied to VOUT for boost operation. |+| 2 | VOUT | power_out | Boost converter output. Regulated output rail (1.8 V to 5.5 V adjustable, or fixed 3.3 V / 5 V depending on device option); connect the output filter capacitor here. |+| 3 | L | passive | Switch node / connection for the boost inductor (typ. 2.2 µH). Ties the internal high-side and low-side power MOSFETs to the external inductor. |+| 4 | PGND | power_in | Power ground. Return path for the internal power MOSFETs; must be connected to the exposed thermal pad and to the system ground plane with a low-impedance path. |+| 5 | VIN | power_in | Boost converter input voltage. Operating input range 0.3 V to 5.5 V; startup into full load at 0.5 V. |+| 6 | EN | input | Enable input (High = enabled, Low = disabled). Do not leave floating. |+| 7 | UVLO | input | Undervoltage lockout comparator input. Sets the programmable input UVLO threshold via a resistor divider; must be tied to VAUX if not used. |+| 8 | PS | input | Power Save mode select (High = Power Save disabled / forced fixed-frequency PWM, Low = Power Save enabled). Do not leave floating. |+| 9 | GND | power_in | Control / logic ground. Analog / signal ground return for the control circuitry. |+| 10 | FB | input | Voltage feedback input. For adjustable versions, connect to the resistor divider from VOUT (typ. 500 mV reference). For fixed-output versions, must be tied directly to VOUT. |+| PAD | EP | power_in | Exposed thermal pad. Must be soldered to achieve appropriate power dissipation and mechanical reliability; connect to PGND. |++## Key specifications++| Parameter | Value |+|---|---|+| Type | Synchronous boost converter |+| Input | 0.3-5.5 V (start-up from 0.5 V) |+| Output | Up to 5.5 V (adjustable) |+| Switch current limit | 1.3 A |+| Features | Down-conversion mode, adjustable UVLO, power-save |+| Quiescent current | 55 uA (typ) |+| Package | VSON-10 |++## Ordering variants++- `TPS61200DRCR (VSON-10, adjustable)`+- `TPS61201DRCR (fixed 3.3 V)`+- `TPS61202DRCR (fixed 5.0 V)`++## CAD (KiCad official)++- Symbol: `Regulator_Switching:TPS61200DRC (KiCad official)`+- Footprint: `Package_SON:Texas_S-PVSON-N10_ThermalVias`+- 3D model: VSON-10 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/tps61200.pdf) (35 pp, sha256 `92eacd5f57fe3096`, retrieved 2026-08-17, tier: manufacturer)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/tps61200-datasheet.pdf)

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