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AIP1640SA28.TB
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I-CORE(中微爱芯) LED Drivers, SOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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AIP1640SA28.TB
I-CORE(中微爱芯) · LED Drivers · SOP-28
AIP1640SA28.TB from I-CORE(中微爱芯), in a SOP-28. 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 | GRID12 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 2 | GRID13 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 3 | GRID14 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 4 | GRID15 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 5 | GRID16 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 6 | GND | power_in | Ground reference for the device; the datasheet specifies GND = 0 V. |
| 7 | DATA | input | Serial data input of the 2-wire interface; VIH is 0.7VDD min and VIL is 0.2VDD max, with typical hysteresis VH of 0.35 V. |
| 8 | CLK | input | Serial clock input of the 2-wire interface; VIH is 0.7VDD min and VIL is 0.2VDD max, with typical hysteresis VH of 0.35 V. |
| 9 | SEG1 | output | Segment output with P-channel open-drain driver that may only drive an LED anode, never reversed; IOH1 is -60 mA typ at VOH=VDD-2V and IOH2 is -70 mA typ at VOH=VDD-3V. |
| 10 | SEG2 | output | Segment output with P-channel open-drain driver that may only drive an LED anode, never reversed; IOH1 is -60 mA typ at VOH=VDD-2V and IOH2 is -70 mA typ at VOH=VDD-3V. |
| 11 | SEG3 | output | Segment output with P-channel open-drain driver that may only drive an LED anode, never reversed; IOH1 is -60 mA typ at VOH=VDD-2V and IOH2 is -70 mA typ at VOH=VDD-3V. |
| 12 | SEG4 | output | Segment output with P-channel open-drain driver that may only drive an LED anode, never reversed; IOH1 is -60 mA typ at VOH=VDD-2V and IOH2 is -70 mA typ at VOH=VDD-3V. |
| 13 | SEG5 | output | Segment output with P-channel open-drain driver that may only drive an LED anode, never reversed; IOH1 is -60 mA typ at VOH=VDD-2V and IOH2 is -70 mA typ at VOH=VDD-3V. |
| 14 | SEG6 | output | Segment output with P-channel open-drain driver that may only drive an LED anode, never reversed; IOH1 is -60 mA typ at VOH=VDD-2V and IOH2 is -70 mA typ at VOH=VDD-3V. |
| 15 | SEG7 | output | Segment output with P-channel open-drain driver that may only drive an LED anode, never reversed; IOH1 is -60 mA typ at VOH=VDD-2V and IOH2 is -70 mA typ at VOH=VDD-3V. |
| 16 | SEG8 | output | Segment output with P-channel open-drain driver that may only drive an LED anode, never reversed; IOH1 is -60 mA typ at VOH=VDD-2V and IOH2 is -70 mA typ at VOH=VDD-3V. |
| 17 | VDD | power_in | Logic supply voltage, 3 V min, 5 V typ, 5.5 V max; absolute-maximum rating is -0.5 V to +7.0 V. |
| 18 | GRID1 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 19 | GRID2 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 20 | GRID3 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 21 | GRID4 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 22 | GRID5 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 23 | GRID6 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 24 | GRID7 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 25 | GRID8 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 26 | GRID9 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 27 | GRID10 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 28 | GRID11 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | I-CORE(中微爱芯) |
| Package | SOP-28 |
| Category | LED Drivers |
| Pins | 28 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| 逻辑电源电压 (supply voltage VDD, absolute max) | VDD | -0.5 | 7 | V | 8 | ||
| 逻辑输入电压 (logic input voltage) | VIN | -0.5 | V | 8 | |||
| 输出高电平驱动 (SEG output high-level drive current) | IO1 | -50 | mA | 8 | |||
| 输出低电平驱动 (GRID output low-level drive current) | IO2 | 150 | mA | 8 | |||
| 工作温度 (operating ambient temperature) | Tamb | -40 | 85 | ℃ | 8 | ||
| 储存温度 (storage temperature) | Tstg | -65 | 150 | ℃ | 8 | ||
| 焊接温度 (soldering temperature) | TL | 260 | ℃ | 10 秒 | 8 | ||
| 逻辑电源电压 (recommended supply voltage VDD) | VDD | 3 | 5 | 5.5 | V | 8 | |
| 输入低电平电压 (recommended VIL) | VIL | 0 | V | 8 | |||
| 输入漏电流 (input leakage current) | II | -1 | 1 | uA | VIN=VDD/GND | 8 | |
| 输出低电平驱动 (GRID sink current, IOL1) | IOL1 | 80 | 100 | mA | GRID1～GRID16，VOL=0.3V | 8 | |
| 高电平输出电流容许量 (SEG high-level output current tolerance) | ITOLSG | 5 | % | SEG1～SEG8，VOH=VDD-3V | 8 | ||
| 上升时间 (rise time SEG1～SEG8) | tTZH1 | 2 | us | CL=300pF | 9 | ||
| 上升时间 (rise time GRID1～GRID16) | tTZH2 | 0.5 | us | 9 | |||
| 下降时间 (fall time SEGn, GRIDn) | tTHZ | 120 | us | CL=300pF，SEGn、GRIDn | 9 | ||
| 最大时钟频率 (maximum clock frequency fmax) | fmax | 1 | MHz | 占空比 50% | 9 | ||
| 时钟脉冲宽度 (clock pulse width) | PWCLK | 400 | ns | 9 | |||
| 数据建立时间 (data setup time) | tSETUP | 100 | ns | 9 | |||
| 数据保持时间 (data hold time) | tHOLD | 100 | ns | 9 |
CAD (KiCad official)
- Symbol:
AIP1640SA28.TB - Footprint:
Package_SO:SOP-28_8.4x18.16mm_P1.27mm - 3D model: SOP-28 (KiCad packages3D, STEP)
- 3D model files:
aip1640sa28-tb-etched.step/aip1640sa28-tb-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);aip1640sa28-tb.step/aip1640sa28-tb.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: I-CORE(中微爱芯) datasheet (20 pp, sha256
8704228eca1909d3, 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).
# AIP1640SA28.TB
**I-CORE(中微爱芯)** · LED Drivers · SOP-28
AIP1640SA28.TB from I-CORE(中微爱芯), in a SOP-28. 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 | GRID12 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 2 | GRID13 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 3 | GRID14 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 4 | GRID15 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 5 | GRID16 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 6 | GND | power_in | Ground reference for the device; the datasheet specifies GND = 0 V. |
| 7 | DATA | input | Serial data input of the 2-wire interface; VIH is 0.7VDD min and VIL is 0.2VDD max, with typical hysteresis VH of 0.35 V. |
| 8 | CLK | input | Serial clock input of the 2-wire interface; VIH is 0.7VDD min and VIL is 0.2VDD max, with typical hysteresis VH of 0.35 V. |
| 9 | SEG1 | output | Segment output with P-channel open-drain driver that may only drive an LED anode, never reversed; IOH1 is -60 mA typ at VOH=VDD-2V and IOH2 is -70 mA typ at VOH=VDD-3V. |
| 10 | SEG2 | output | Segment output with P-channel open-drain driver that may only drive an LED anode, never reversed; IOH1 is -60 mA typ at VOH=VDD-2V and IOH2 is -70 mA typ at VOH=VDD-3V. |
| 11 | SEG3 | output | Segment output with P-channel open-drain driver that may only drive an LED anode, never reversed; IOH1 is -60 mA typ at VOH=VDD-2V and IOH2 is -70 mA typ at VOH=VDD-3V. |
| 12 | SEG4 | output | Segment output with P-channel open-drain driver that may only drive an LED anode, never reversed; IOH1 is -60 mA typ at VOH=VDD-2V and IOH2 is -70 mA typ at VOH=VDD-3V. |
| 13 | SEG5 | output | Segment output with P-channel open-drain driver that may only drive an LED anode, never reversed; IOH1 is -60 mA typ at VOH=VDD-2V and IOH2 is -70 mA typ at VOH=VDD-3V. |
| 14 | SEG6 | output | Segment output with P-channel open-drain driver that may only drive an LED anode, never reversed; IOH1 is -60 mA typ at VOH=VDD-2V and IOH2 is -70 mA typ at VOH=VDD-3V. |
| 15 | SEG7 | output | Segment output with P-channel open-drain driver that may only drive an LED anode, never reversed; IOH1 is -60 mA typ at VOH=VDD-2V and IOH2 is -70 mA typ at VOH=VDD-3V. |
| 16 | SEG8 | output | Segment output with P-channel open-drain driver that may only drive an LED anode, never reversed; IOH1 is -60 mA typ at VOH=VDD-2V and IOH2 is -70 mA typ at VOH=VDD-3V. |
| 17 | VDD | power_in | Logic supply voltage, 3 V min, 5 V typ, 5.5 V max; absolute-maximum rating is -0.5 V to +7.0 V. |
| 18 | GRID1 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 19 | GRID2 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 20 | GRID3 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 21 | GRID4 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 22 | GRID5 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 23 | GRID6 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 24 | GRID7 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 25 | GRID8 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 26 | GRID9 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 27 | GRID10 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
| 28 | GRID11 | output | Digit (grid) output with N-channel open-drain driver; sinks low-level current with IOL1 of 80 mA min and 100 mA typ at VOL=0.3 V, and absolute-maximum IO2 is +150 mA. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | I-CORE(中微爱芯) |
| Package | SOP-28 |
| Category | LED Drivers |
| Pins | 28 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| 逻辑电源电压 (supply voltage VDD, absolute max) | VDD | -0.5 | | 7 | V | | 8 |
| 逻辑输入电压 (logic input voltage) | VIN | -0.5 | | | V | | 8 |
| 输出高电平驱动 (SEG output high-level drive current) | IO1 | -50 | | | mA | | 8 |
| 输出低电平驱动 (GRID output low-level drive current) | IO2 | | | 150 | mA | | 8 |
| 工作温度 (operating ambient temperature) | Tamb | -40 | | 85 | ℃ | | 8 |
| 储存温度 (storage temperature) | Tstg | -65 | | 150 | ℃ | | 8 |
| 焊接温度 (soldering temperature) | TL | | | 260 | ℃ | 10 秒 | 8 |
| 逻辑电源电压 (recommended supply voltage VDD) | VDD | 3 | 5 | 5.5 | V | | 8 |
| 输入低电平电压 (recommended VIL) | VIL | 0 | | | V | | 8 |
| 输入漏电流 (input leakage current) | II | -1 | | 1 | uA | VIN=VDD/GND | 8 |
| 输出低电平驱动 (GRID sink current, IOL1) | IOL1 | 80 | 100 | | mA | GRID1～GRID16，VOL=0.3V | 8 |
| 高电平输出电流容许量 (SEG high-level output current tolerance) | ITOLSG | | | 5 | % | SEG1～SEG8，VOH=VDD-3V | 8 |
| 上升时间 (rise time SEG1～SEG8) | tTZH1 | | | 2 | us | CL=300pF | 9 |
| 上升时间 (rise time GRID1～GRID16) | tTZH2 | | | 0.5 | us | | 9 |
| 下降时间 (fall time SEGn, GRIDn) | tTHZ | | | 120 | us | CL=300pF，SEGn、GRIDn | 9 |
| 最大时钟频率 (maximum clock frequency fmax) | fmax | 1 | | | MHz | 占空比 50% | 9 |
| 时钟脉冲宽度 (clock pulse width) | PWCLK | 400 | | | ns | | 9 |
| 数据建立时间 (data setup time) | tSETUP | 100 | | | ns | | 9 |
| 数据保持时间 (data hold time) | tHOLD | 100 | | | ns | | 9 |
## CAD (KiCad official)
- Symbol: `AIP1640SA28.TB`
- Footprint: `Package_SO:SOP-28_8.4x18.16mm_P1.27mm`
- 3D model: SOP-28 (KiCad packages3D, STEP)
- 3D model files: `aip1640sa28-tb-etched.step` / `aip1640sa28-tb-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `aip1640sa28-tb.step` / `aip1640sa28-tb.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [I-CORE(中微爱芯) datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757921629781942272) (20 pp, sha256 `8704228eca1909d3`, 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-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/aip1640sa28-tb-datasheet.pdf)