UCC27524 Dual Gate Driver

@@ -0,0 +1,52 @@+# UCC27524++**Texas Instruments** · Gate Driver · SOIC-8++The UCC27524 is a dual high-speed low-side gate driver that sources and sinks up to 5 A to drive power MOSFETs and IGBTs. Its matched propagation delays, wide supply range, and fast rise/fall times suit switching power supplies, motor drives, and synchronous rectification where two gates must switch quickly and in step.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | ENA | input | Enable input for Channel A. Bias LOW to disable OUTA regardless of INA state; bias HIGH or leave floating to enable Channel A. Internally pulled up to VDD for pin-to-pin compatibility with UCC27324 N/C pin. |+| 2 | INA | input | Non-inverting logic input to Channel A. Drives OUTA high when HIGH. OUTA is held LOW if INA is unbiased or floating due to internal pulldown (~120 kΩ). TTL/CMOS thresholds with ~1V hysteresis; can accept -5V (D/DGN pkg). |+| 3 | GND | power_in | Device ground return. All signals and supply voltages are referenced to this pin. |+| 4 | INB | input | Non-inverting logic input to Channel B. Drives OUTB high when HIGH. OUTB is held LOW if INB is unbiased or floating due to internal pulldown (~120 kΩ). TTL/CMOS thresholds with ~1V hysteresis; can accept -5V (D/DGN pkg). |+| 5 | OUTB | output | Gate-drive output for Channel B. Rail-to-rail push-pull driver capable of 5A peak source/sink into MOSFET/IGBT gates. Held LOW during VDD UVLO and when INB is floating. |+| 6 | VDD | power_in | Bias supply input. 4.5V to 18V recommended operating range (20V absolute max). Bypass with a low-ESR ceramic capacitor (typ. 1 µF) directly to GND. UVLO rising threshold ~4.1V. |+| 7 | OUTA | output | Gate-drive output for Channel A. Rail-to-rail push-pull driver capable of 5A peak source/sink into MOSFET/IGBT gates. Held LOW during VDD UVLO and when INA is floating. |+| 8 | ENB | input | Enable input for Channel B. Bias LOW to disable OUTB regardless of INB state; bias HIGH or leave floating to enable Channel B. Internally pulled up to VDD for pin-to-pin compatibility with UCC27324 N/C pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Type | Dual low-side gate driver |+| Peak output current | 5 A source/sink |+| Supply voltage | 4.5 V to 18 V |+| Rise/fall time | 7 ns / 6 ns into 1.8 nF |+| Propagation delay | 13 ns typ (matched) |+| Inputs | TTL/CMOS compatible |+| Operating temperature | -40 C to 140 C |++## Ordering variants++- `UCC27524D`+- `UCC27524DGN`+- `UCC27524DSD`++## CAD (KiCad official)++- Symbol: `ucc27524.kicad_sym`+- Footprint: `ucc27524.kicad_mod`+- 3D model: SOIC-8 body from KiCad `Package_SO/SOIC-8_3.9x4.9mm_P1.27mm`.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/ucc27524.pdf) (50 pp, sha256 `57d2e9b2b8063627`, 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/ucc27524-datasheet.pdf)

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