TPS62402DRCR

@@ -0,0 +1,53 @@+# TPS62402DRCR++**Texas Instruments** · DC-DC Converters · VSON-10-EP(3x3)++TPS62402DRCR from Texas Instruments, in a VSON-10-EP(3x3). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | ADJ2 | input | Feedback/adjust input for converter 2. On fixed-output versions (TPS62401/02/03/04) this pin MUST be directly connected to VOUT2. If the EasyScale interface is used, this pin must also be connected to the output. |+| 2 | MODE/DATA | bidirectional | Dual-function pin. As MODE: low = Power Save (PFM at light load, auto PWM at heavy load); high = forced PWM over full load. As DATA: EasyScale one-wire serial interface with open-drain output for acknowledge; open-drain sink current must not exceed 500 uA. Interface is active when EN1 or EN2 is high. |+| 3 | VIN | power_in | Supply voltage input, 2.5 V to 6 V (absolute max 7 V). Connect to VBAT. |+| 4 | FB1 | input | Direct feedback voltage sense input of converter 1; connect directly to VOUT1. An internal feed-forward capacitor sits between this pin and the error amplifier. On fixed-output versions (or when EasyScale is used) FB1 connects to an internal resistor divider network. |+| 5 | DEF_1 | input | Defines the default output voltage of converter 1. On TPS62402, DEF_1 = High selects 1.8 V and DEF_1 = Low selects 1.2 V. Acts as analog input for external resistor programming when EasyScale is used. |+| 6 | SW1 | output | Switch node of converter 1 (400 mA). Connect to the external 2.2 uH inductor for OUT1. |+| 7 | EN1 | input | Enable input for converter 1, active high. VIH >= 1.2 V, VIL <= 0.4 V; input bias current <= 1 uA. |+| 8 | GND | power_in | Ground reference for both converters; connect to the PowerPAD. |+| 9 | EN2 | input | Enable input for converter 2, active high. VIH >= 1.2 V, VIL <= 0.4 V; input bias current <= 1 uA. |+| 10 | SW2 | output | Switch node of converter 2 (600 mA). Connect to the external 2.2 uH inductor for OUT2. |+| 11 | PowerPAD | power_in | Exposed thermal pad on package bottom. Must be connected to GND for proper thermal and electrical operation. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VSON-10-EP(3x3) |+| Category | PMIC |+| Pins | 11 |++## Ordering variants++Same part, different packaging or reel option.++- `TPS62402DRCR`+- `TPS62402DRCRDRCT`++## CAD (KiCad official)++- Symbol: `TPS62402DRCR`+- Footprint: `Package_SON:VSON-10-1EP_3x3mm_P0.5mm_EP1.2x2mm`+- 3D model: VSON-10-EP(3x3) (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/tps62402.pdf) (44 pp, sha256 `5ded201418e255d4`, 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/tps62402drcr-datasheet.pdf)

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