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HT1015AREZ
Public Made by Adomby adom
HTCSEMI DC-DC Converters, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+74@@ -0,0 +1,74 @@+# HT1015AREZ++**HTCSEMI** · DC-DC Converters · ESOP-8++HT1015AREZ from HTCSEMI, in a ESOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | EN | input | Enable input: pulling EN below the 2.2 V typical threshold (0.2 V hysteresis) shuts the HT1015A down, and pulling it above the threshold enables it. |+| 2 | VIN | power_in | Input supply for the internal control circuitry, both BOOT regulators and the high-side switch, specified for 9 V to 100 V with an absolute maximum range of -0.3 V to +120 V. |+| 3 | GND | power_in | Ground, to be placed as close to the output capacitor as possible to avoid the high-current switch paths. |+| 4 | GND | power_in | Ground, to be placed as close to the output capacitor as possible; the exposed pad must be connected to the GND plane for optimal thermal performance. |+| 5 | FB | input | Feedback input to the voltage hysteretic comparator, with the average FB voltage regulated to 800 mV (0.8 V reference) and an absolute maximum range of -0.3 V to +7 V. |+| 6 | NC | unconnected | No connection. |+| 7 | BOOT | passive | Bootstrap positive supply for the internal floating high-side MOSFET driver; a bypass capacitor must be connected between BOOT and SW, with VBOOT rated VSW-0.3 V to VSW+7 V. |+| 8 | SW | output | Switch node output from the high-side switch; a low forward-voltage Schottky rectifier to ground must be placed close to SW, with an absolute maximum range of -0.3 V to +120 V. |+| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HTCSEMI |+| Package | ESOP-8 |+| Category | Power Management (PMIC) |+| Pins | 9 |++## Electrical characteristics++Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).++| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |+|---|---|---|---|---|---|---|---|+| Input Voltage | VIN | 9 | | 100 | V | | 4 |+| SW, EN, VIN Voltage | VSW,VEN,VIN | -0.3 | | 120 | V | | 3 |+| FB Voltage | VFB | -0.3 | | 7 | V | | 3 |+| Storage Junction Temperature | Tstg | -55 | | 150 | ℃ | | 3 |+| Lead Temperature (Soldering 10 sec.) | Tsolder | | | 260 | ℃ | Soldering 10 sec. | 3 |+| ESD Human Body Model | | | | 2 | kV | Human Body Model | 3 |+| Operating ambient temperature | TA | -40 | | 85 | ℃ | For all packages | 1 |+| UVLO | VSTRAT | | 8 | | V | | 4 |+| UVLO Hysteresis | VUVLO1 | | 0.3 | | V | | 4 |+| Shutdown supply current | ISHUT | | 9 | | uA | EN=0V | 4 |+| Input Quiescent Current | IQ | | 500 | | uA | VFB=1V | 4 |+| Enable threshold voltage | VEN | | 2.2 | | V | | 4 |+| Enable threshold voltage Hysteresis | VUVLO2 | | 0.2 | | V | | 4 |+| FB Reference Threshold | VFB | | 0.8 | | V | | 4 |+| Feedback short voltage | VFB(short) | | 0.35 | | V | | 4 |+| Feedback short voltage Hysteresis | VFB2 | | 0.42 | | V | | 4 |+| Switching frequency | F | | 150 | | kHz | IOUT=500mA | 4 |+| Maximum Duty Cycle | DMAX | | 92 | | % | VIN=12V | 4 |+| Current Limit Threshold | IPEAK | | 1.5 | | A | | 4 |+| On-resistance | RDSON | | 400 | | mΩ | VIN=18V | 4 |+| Thermal shutdown Temp | TSD | | 150 | | ℃ | | 4 |+| Thermal shutdown Temp Hysteresis | TSH | | 30 | | ℃ | | 4 |++## CAD (KiCad official)++- Symbol: `HT1015AREZ`+- Footprint: `Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm`+- 3D model: ESOP-8 (KiCad packages3D, STEP)+- 3D model files: `ht1015arez-etched.step` / `ht1015arez-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ht1015arez.step` / `ht1015arez.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [HTCSEMI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589838307728392192) (10 pp, sha256 `c19a0d8cc7e3eeff`, retrieved 2026-10-19, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/ht1015arez-datasheet.pdf)
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