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XB3306A
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XySemi Battery Management, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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XB3306A
XySemi · Battery Management · SOT-23
XB3306A from XySemi, in a SOT-23. 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 | VM | passive | Negative terminal of the battery pack (charger/load negative); the internal FET switch connects it to GND, with an internal RVMS of 100 kΩ to GND and RVMD of 320 kΩ to VDD, and its abs max input voltage is -6 to 10 V. |
| 2 | VDD | power_in | IC supply pin connected to the battery cell positive terminal, abs max input voltage -0.3 to 6 V. |
| 3 | GND | power_in | Ground pin, connected to the negative terminal of the battery cell. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | XySemi |
| Package | SOT-23 |
| 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 |
|---|---|---|---|---|---|---|---|
| Overcharge detection voltage | VCU | 4.25 | 4.3 | 4.35 | V | 3 | |
| Overcharge release voltage | VCL | 4.05 | 4.1 | 4.15 | V | 3 | |
| Overdischarge detection voltage | VDL | 2.3 | 2.4 | 2.5 | V | 3 | |
| Overdischarge release voltage | VDR | 2.9 | 3 | 3.1 | V | 3 | |
| Normal operating current | IOPE | 2.8 | 6 | μA | VDD=3.6V, VM=0V | 3 | |
| Power-down current | IPDN | 1.5 | 3 | μA | VDD=2.0V, VM pin open | 3 | |
| Overcurrent 1 detection current | IOV1 | 3 | A | VDD=3.6V | 3 | ||
| Load short-circuit detection current | ISHORT | 20 | A | VDD=3.6V | 3 | ||
| Internal resistance between VM and VDD | RVMD | 320 | kΩ | VDD=2.0V, VM pin open | 3 | ||
| Internal resistance between VM and GND | RVMS | 100 | kΩ | VDD=3.6V, VM=1.0V | 3 | ||
| FET equivalent on-resistance | RSS(ON) | 40 | mΩ | VDD=3.6V, IVM=1.0A | 3 | ||
| Overtemperature protection temperature | TSHD+ | 120 | oC | 3 | |||
| Overtemperature protection recovery temperature | TSHD- | 100 | oC | 3 | |||
| Overcharge detection delay time | tCU | 130 | mS | 4 | |||
| Overdischarge detection delay time | tDL | 40 | mS | 4 | |||
| Overcurrent detection delay time | tIOV | 10 | mS | VDD=3.6V | 4 | ||
| Short-circuit detection delay time | tSHORT | 75 | uS | VDD=3.6V | 4 | ||
| VDD input voltage | VDD | -0.3 | 6 | V | 2 | ||
| VM input voltage | VM | -6 | 10 | V | 2 | ||
| Operating ambient temperature | -40 | 85 | °C | 2 | |||
| Maximum junction temperature | 125 | °C | 2 | ||||
| Storage temperature | -55 | 150 | °C | 3 | |||
| Lead temperature (soldering, 10 s) | 300 | °C | 10 s soldering | 3 | |||
| Power dissipation at ambient 25°C | 0.4 | W | ambient 25°C | 3 | |||
| Package thermal resistance (junction to ambient, as printed) | θJA | 250 | °C/W | 3 | |||
| Package thermal resistance (as printed) | θJC | 130 | °C/W | 3 | |||
| ESD rating | 2000 | V | 3 |
CAD (KiCad official)
- Symbol:
XB3306A - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
xb3306a-etched.step/xb3306a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);xb3306a.step/xb3306a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: XySemi datasheet (12 pp, sha256
aa2c22478b7e980a, 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-sonnet-5-5(text+vision), consensusclaude-opus-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).
# XB3306A
**XySemi** · Battery Management · SOT-23
XB3306A from XySemi, in a SOT-23. 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 | VM | passive | Negative terminal of the battery pack (charger/load negative); the internal FET switch connects it to GND, with an internal RVMS of 100 kΩ to GND and RVMD of 320 kΩ to VDD, and its abs max input voltage is -6 to 10 V. |
| 2 | VDD | power_in | IC supply pin connected to the battery cell positive terminal, abs max input voltage -0.3 to 6 V. |
| 3 | GND | power_in | Ground pin, connected to the negative terminal of the battery cell. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | XySemi |
| Package | SOT-23 |
| 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 |
|---|---|---|---|---|---|---|---|
| Overcharge detection voltage | VCU | 4.25 | 4.3 | 4.35 | V | | 3 |
| Overcharge release voltage | VCL | 4.05 | 4.1 | 4.15 | V | | 3 |
| Overdischarge detection voltage | VDL | 2.3 | 2.4 | 2.5 | V | | 3 |
| Overdischarge release voltage | VDR | 2.9 | 3 | 3.1 | V | | 3 |
| Normal operating current | IOPE | | 2.8 | 6 | μA | VDD=3.6V, VM=0V | 3 |
| Power-down current | IPDN | | 1.5 | 3 | μA | VDD=2.0V, VM pin open | 3 |
| Overcurrent 1 detection current | IOV1 | | 3 | | A | VDD=3.6V | 3 |
| Load short-circuit detection current | ISHORT | | 20 | | A | VDD=3.6V | 3 |
| Internal resistance between VM and VDD | RVMD | | 320 | | kΩ | VDD=2.0V, VM pin open | 3 |
| Internal resistance between VM and GND | RVMS | | 100 | | kΩ | VDD=3.6V, VM=1.0V | 3 |
| FET equivalent on-resistance | RSS(ON) | | 40 | | mΩ | VDD=3.6V, IVM=1.0A | 3 |
| Overtemperature protection temperature | TSHD+ | | 120 | | oC | | 3 |
| Overtemperature protection recovery temperature | TSHD- | | 100 | | oC | | 3 |
| Overcharge detection delay time | tCU | | 130 | | mS | | 4 |
| Overdischarge detection delay time | tDL | | 40 | | mS | | 4 |
| Overcurrent detection delay time | tIOV | | 10 | | mS | VDD=3.6V | 4 |
| Short-circuit detection delay time | tSHORT | | 75 | | uS | VDD=3.6V | 4 |
| VDD input voltage | VDD | -0.3 | | 6 | V | | 2 |
| VM input voltage | VM | -6 | | 10 | V | | 2 |
| Operating ambient temperature | | -40 | | 85 | °C | | 2 |
| Maximum junction temperature | | | | 125 | °C | | 2 |
| Storage temperature | | -55 | | 150 | °C | | 3 |
| Lead temperature (soldering, 10 s) | | | | 300 | °C | 10 s soldering | 3 |
| Power dissipation at ambient 25°C | | | | 0.4 | W | ambient 25°C | 3 |
| Package thermal resistance (junction to ambient, as printed) | θJA | | 250 | | °C/W | | 3 |
| Package thermal resistance (as printed) | θJC | | 130 | | °C/W | | 3 |
| ESD rating | | | 2000 | | V | | 3 |
## CAD (KiCad official)
- Symbol: `XB3306A`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `xb3306a-etched.step` / `xb3306a-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `xb3306a.step` / `xb3306a.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [XySemi datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586189246205988864) (12 pp, sha256 `aa2c22478b7e980a`, 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`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-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/xb3306a-datasheet.pdf)