component
CBM809ZST3
Public Made by Adomby adom
Corebai Microelectronics Supervisor And Reset ICs, SOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownCBM809ZST3
Corebai Microelectronics · Supervisor And Reset ICs · SOT-23-3
CBM809ZST3 from Corebai Microelectronics, in a SOT-23-3. 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 | GND | power_in | Ground reference; all signals are referenced to ground (0 V). |
| 2 | RESET | output | Active-low push-pull reset output for the CBM809 series, asserted while VCC is below the reset threshold (2.32 V typ for the CBM809Z) and held for 240 ms typical after VCC rises above it; VOL is at most 0.3 V at 1.2 mA sink and VOH is at least 0.8 VCC at 500 µA source for the Z version. |
| 3 | VCC | power_in | Supply voltage being monitored; operating range is 1.0 V to 5.5 V, with absolute maximum of -0.3 V to +6 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Corebai Microelectronics |
| Package | SOT-23-3 |
| Category | Power Management (PMIC) |
| Pins | 3 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply voltage range | VCC | 1 | 5.5 | V | 4 | ||
| Supply current | 17 | 30 | μA | VCC < 3.6V, CBM8XXR/S/T/Z | 4 | ||
| Reset threshold (CBM809Z) | VRST | 2.28 | 2.32 | 2.35 | V | CBM803Z/CBM809Z/CBM810Z | 4 |
| Reset pulse width | 140 | 240 | 460 | ms | 4 | ||
| RESET output low voltage (CBM809Z) | VOL | 0.3 | V | VCC = VTH min, ISINK = 1.2 mA, CBM803R/S/T/Z, CBM809R/S/T/Z | 4 | ||
| RESET output low voltage (CBM809X, general row) | VOL | 0.3 | V | VCC > 1.0 V, ISINK = 50 μA | 4 | ||
| RESET output high voltage (CBM809Z) | VOH | 0.8 | V | VCC > VTH max, ISOURCE = 500 μA, CBM809R/S/T/Z | 4 | ||
| Supply voltage (absolute maximum) | VCC | -0.3 | 6 | V | TA = 25°C | 5 | |
| RESET, RESET (push-pull) voltage | -0.3 | V | upper limit printed as VCC+0.5 V | 5 | |||
| Input current (VCC) | 20 | mA | 5 | ||||
| Output current (RESET, RESET) | 20 | mA | 5 | ||||
| Rise rate VCC | 100 | V/μs | 5 | ||||
| Thermal resistance junction-to-ambient | θJA | 270 | °C/W | SOT-23 package | 5 | ||
| Pin temperature (soldering) | 300 | ℃ | 10 s | 5 | |||
| Vapor phase soldering | 215 | ℃ | 60 s | 5 | |||
| Infrared soldering | 220 | ℃ | 15 s | 5 | |||
| Storage temperature range | -65 | 150 | ℃ | 5 | |||
| Operating temperature range | TA | -40 | 85 | ℃ | ordering table temperature range for CBM809ZST3 | 12 |
CAD (KiCad official)
- Symbol:
CBM809ZST3 - Footprint:
Package_TO_SOT_SMD:SOT-23-3 - 3D model: SOT-23-3 (KiCad packages3D, STEP)
- 3D model files:
cbm809zst3-etched.step/cbm809zst3-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cbm809zst3.step/cbm809zst3.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Corebai Microelectronics datasheet (13 pp, sha256
6766996f159d4112, retrieved 2026-10-18, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).