SG2525AP013TR

@@ -0,0 +1,57 @@+# SG2525AP013TR++**STMicroelectronics** · DC-DC Converters · SOIC-16++SG2525AP013TR from STMicroelectronics, in a SOIC-16. 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 | INV.INPUT | input | Inverting input of the error amplifier. Common-mode input range includes the +5.1 V reference so external divider resistors are not required when regulating to VREF. |+| 2 | N.I.INPUT | input | Non-inverting input of the error amplifier. Typical input bias current 1 µA, input offset voltage 0.5 mV. |+| 3 | SYNC | bidirectional | Oscillator synchronization terminal. Allows multiple SG2525A units to be slaved together or the device to be synchronized to an external clock. Sync threshold ~2 V, sync input current ~1 mA at 3.5 V. |+| 4 | OSC.OUTPUT | output | Oscillator clock output. Provides the internal oscillator clock signal (blanking/clock pulse) for external use or synchronization of additional devices. |+| 5 | CT | passive | Oscillator timing capacitor connection. External CT to ground (0.001 µF to 0.1 µF) sets the oscillator frequency together with RT per f = 1/(CT·(0.7·RT + 3·RD)). |+| 6 | RT | passive | Oscillator timing resistor connection. External RT to ground (2 kΩ to 150 kΩ) sets the CT charging current, defining the oscillator frequency (100 Hz to 400 kHz range). |+| 7 | DISCHARGE | passive | Deadtime / discharge resistor terminal. A resistor RD (0 to 500 Ω) between CT (pin 5) and DISCHARGE sets the CT discharge time, providing adjustable deadtime between the two outputs. |+| 8 | SOFT-START | passive | Soft-start capacitor terminal. Internally source-pulled (~50 µA typical) to charge an external capacitor and ramp the PWM duty cycle from zero on start-up; also discharged during shutdown. |+| 9 | COMP | output | Error amplifier output / PWM comparator compensation node. Connect frequency compensation network here; also serves as an alternate shutdown pull-down (pulling to ground turns off the outputs). |+| 10 | SHUTDOWN | input | PWM shutdown input. A positive signal (threshold 0.6-1 V, typical 0.8 V) immediately terminates PWM output via the latch and begins discharging the soft-start capacitor (150 µA sink). Should not be left floating; tie low if unused. |+| 11 | OUTPUT A | output | Totem-pole PWM output A. Alternates with OUTPUT B at half the oscillator frequency. Capable of sourcing/sinking >200 mA (peak 400 mA), rise/fall times ~100/50 ns into 1 nF. VOH = VC − 1 V typ at 100 mA source. |+| 12 | GROUND | power_in | Signal / power ground reference for all internal circuitry and output stages. |+| 13 | VC | power_in | Collector supply for the totem-pole output driver stages. Separate from VI to allow the output drivers to be powered from a different rail (4.5 V to 35 V; absolute max 40 V). Bypass with 0.1 µF close to the pin. |+| 14 | OUTPUT B | output | Totem-pole PWM output B. Complementary alternating output to OUTPUT A (each at half the oscillator frequency). Capable of sourcing/sinking >200 mA (peak 400 mA); rise/fall ~100/50 ns into 1 nF. |+| 15 | +VI | power_in | Main IC supply voltage input (8 V to 35 V operation, absolute max 40 V). Powers the reference, oscillator, error amplifier and control logic. Typical supply current 14 mA. UVLO releases the outputs at 7 V typical. |+| 16 | VREF | power_out | Internal 5.1 V reference output (trimmed to ±1 %). Short-circuit limited to ~80 mA typical; load current 0 to 20 mA. Bypass with 0.1 µF to ground close to the pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | SOIC-16 |+| Category | PMIC |+| Pins | 16 |++## Ordering variants++- `SG2525AP013TRAP`+- `SG2525AP013TRAP013TR`+- `SG2525AP013TRAN`++## CAD (KiCad official)++- Symbol: `SG2525AP013TR`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOIC-16 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](docs/sg2525ap013tr-datasheet.pdf) (12 pp, sha256 `8705894987220bb3`, retrieved 2026-08-17, tier: lcsc)+- **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/sg2525ap013tr-datasheet.pdf)

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