component
ALED8102SXTTR
Public Made by Adomby adom
STMicroelectronics LED Drivers, HTSSOP-16-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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ALED8102SXTTR
STMicroelectronics · LED Drivers · HTSSOP-16-EP
ALED8102SXTTR from STMicroelectronics, in a HTSSOP-16-EP. 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 terminal; the datasheet rates the GND terminal current (IGND) at 800 mA absolute maximum. |
| 2 | SW1 | input | Switch input that turns OUT0 and OUT1 ON together when high (VIH min 0.8·VDD, max VDD); it is pulled down by 300 kΩ and must be at or below 0.2·VDD for a low level. |
| 3 | SW2 | input | Switch input that turns OUT2 and OUT3 ON together when high (VIH min 0.8·VDD, max VDD); it is pulled down by 300 kΩ and must be at or below 0.2·VDD for a low level. |
| 4 | SW3 | input | Switch input that turns OUT4 and OUT5 ON together when high (VIH min 0.8·VDD, max VDD); it is pulled down by 300 kΩ and must be at or below 0.2·VDD for a low level. |
| 5 | OUT0 | output | Constant current output channel 0, controlled by SW1, regulating 5 mA to 100 mA with an output voltage range of 0.85 V to 19 V (absolute maximum -0.5 V to 20 V). |
| 6 | OUT1 | output | Constant current output channel 1, controlled by SW1, regulating 5 mA to 100 mA with an output voltage range of 0.85 V to 19 V (absolute maximum -0.5 V to 20 V). |
| 7 | OUT2 | output | Constant current output channel 2, controlled by SW2, regulating 5 mA to 100 mA with an output voltage range of 0.85 V to 19 V (absolute maximum -0.5 V to 20 V). |
| 8 | OUT3 | output | Constant current output channel 3, controlled by SW2, regulating 5 mA to 100 mA with an output voltage range of 0.85 V to 19 V (absolute maximum -0.5 V to 20 V). |
| 9 | OUT4 | output | Constant current output channel 4, controlled by SW3, regulating 5 mA to 100 mA with an output voltage range of 0.85 V to 19 V (absolute maximum -0.5 V to 20 V). |
| 10 | OUT5 | output | Constant current output channel 5, controlled by SW3, regulating 5 mA to 100 mA with an output voltage range of 0.85 V to 19 V (absolute maximum -0.5 V to 20 V). |
| 11 | OUT6 | output | Constant current output channel 6, controlled by SW4, regulating 5 mA to 100 mA with an output voltage range of 0.85 V to 19 V (absolute maximum -0.5 V to 20 V). |
| 12 | OUT7 | output | Constant current output channel 7, controlled by SW4, regulating 5 mA to 100 mA with an output voltage range of 0.85 V to 19 V (absolute maximum -0.5 V to 20 V). |
| 13 | SW4 | input | Switch input that turns OUT6 and OUT7 ON together when high (VIH min 0.8·VDD, max VDD); it is pulled down by 300 kΩ and must be at or below 0.2·VDD for a low level. |
| 14 | OE | input | Global PWM brightness control input that dims all active outputs; it must be connected to GND if not used, and has an internal 300 kΩ pull-up with a minimum high level of 0.8·VDD and a minimum output-enable pulse width of 1 µs. |
| 15 | R-EXT | passive | Terminal for the external resistor that programs the constant output current (e.g. 386 Ω gives IO ≈ 50 mA), to be placed as close as possible to the device and connected to GND. |
| 16 | VDD | power_in | Supply voltage terminal; the operative range is 3.0 V to 5.5 V, with an absolute maximum rating of 0 to 7 V. |
| 17 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | HTSSOP-16-EP |
| Category | Display Modules / LED Drivers / Display Drivers |
| Pins | 17 |
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 | VDD | 3 | 5.5 | V | 5 | ||
| UVLO threshold (rising) | VUVLO | 2.7 | 2.9 | V | 5 | ||
| UVLO threshold (falling) | VUVLO | 2.1 | 2.3 | V | 5 | ||
| Output voltage | VO | 0.85 | 19 | V | OUT0, OUT7 | 5 | |
| External current set-up resistance | REXT | 3.9 | 5 | ||||
| Supply current (OFF) | IDD(OFF2) | 14 | 16 | mA | REXT = 190 Ω; OUT0 to 7 = OFF | 5 | |
| Supply current (OFF) | IDD(OFF1) | 7 | 8 | mA | OUT0 to 7 = OFF | 5 | |
| Supply current (ON) | IDD(ON) | 14 | 16 | mA | REXT = 190 Ω; VO = 1.4 V; OUT0 to 7 = ON | 5 | |
| Output current precision: chip to chip | ΔIOL | -6 | 6 | % | 5 | ||
| Output current precision: channel to channel | ΔIOL1 | -4 | 1.5 | 4 | % | 5 | |
| Output current precision (VO = 1.4 V; REXT = 190 Ω) | ΔIOL2 | -4 | 1.2 | 4 | VO = 1.4 V; REXT = 190 Ω | 5 | |
| Single output leakage current | IOleak | 0.5 | 2 | µA | VO = 19 V; OUTn = OFF | 5 | |
| Output enable minimum pulse width | tW(OE) | 1 | µs | 6 | |||
| Supply voltage (absolute maximum) | VDD | 0 | 7 | V | 4 | ||
| Output voltage (absolute maximum) | VO | -0.5 | 20 | V | 4 | ||
| Output current (absolute maximum) | IO | 100 | mA | 4 | |||
| Input voltage (absolute maximum) | VI | -0.4 | V | 4 | |||
| GND terminal current (absolute maximum) | IGND | 800 | mA | 4 | |||
| Electrostatic discharge protection HBM | ESD | -2 | 2 | KV | HBM human body model | 4 | |
| Electrostatic discharge protection MM | ESD | 100 | V | MM machine model | 4 | ||
| Operative junction temperature range | TJ | -40 | 150 | °C | 4 | ||
| Storage ambient temperature range | TSTG | -55 | 150 | °C | 4 | ||
| UVLO hysteresis | HyUVLO | 0.4 | V | 5 | |||
| Pull-up resistor for OE pin | RUP | 300 | KΩ | 5 | |||
| Pull-down resistor for SWx pins | RDW | 310 | 5 | ||||
| Output current vs. output voltage regulation | %/dVO | 0.1 | /%/V/ | VO from 1 V to 3 V | 5 | ||
| Output current vs. supply voltage regulation | %/dVDD | 1 | VDD from 3 V to 5.5 V | 5 | |||
| Thermal shutdown | Tsd | 170 | °C | 5 | |||
| Thermal shutdown hysteresis | Tsd_hys | 15 | °C | 5 | |||
| Thermal resistance junction-ambient (HTSSOP16) | Rthj-amb | 37.5 | °C/W | 4 | |||
| Propagation delay time (L to H), SWx, OUTn | tPLH1 | 220 | ns | OE just 0; VDD = 3.3 V; Tj = 25 °C, IO = 50 mA, RL = 60 Ω, CL = 10 pF, VL = 5 V | 6 | ||
| Propagation delay time (L to H), SWx, OUTn | tPLH1 | 200 | ns | OE just 0; VDD = 5 V; Tj = 25 °C, IO = 50 mA, RL = 60 Ω, CL = 10 pF, VL = 5 V | 6 | ||
| Propagation delay time (L to H), OE, OUTn | tPLH2 | 220 | ns | SWx just 1; VDD = 3.3 V; Tj = 25 °C, IO = 50 mA, RL = 60 Ω, CL = 10 pF, VL = 5 V | 6 | ||
| Propagation delay time (L to H), OE, OUTn | tPLH2 | 200 | ns | SWx just 1; VDD = 5 V; Tj = 25 °C, IO = 50 mA, RL = 60 Ω, CL = 10 pF, VL = 5 V | 6 | ||
| Propagation delay time (H to L), SWx, OUTn | tPHL1 | 100 | ns | OE just 0; VDD = 3.3 V; Tj = 25 °C, IO = 50 mA, RL = 60 Ω, CL = 10 pF, VL = 5 V | 6 | ||
| Propagation delay time (H to L), OE, OUTn | tPHL2 | 90 | ns | SWx just 1; VDD = 3.3 V; Tj = 25 °C, IO = 50 mA, RL = 60 Ω, CL = 10 pF, VL = 5 V | 6 | ||
| Propagation delay time (H to L), OE, OUTn | tPHL2 | 100 | ns | SWx just 1; VDD = 5 V; Tj = 25 °C, IO = 50 mA, RL = 60 Ω, CL = 10 pF, VL = 5 V | 6 | ||
| OUTn current rise time (evaluated as OUTn falling time) | tON | 430 | ns | VDD = 3.3 V; Tj = 25 °C, IO = 50 mA, RL = 60 Ω, CL = 10 pF, VL = 5 V | 6 | ||
| OUTn current rise time (evaluated as OUTn falling time) | tON | 400 | ns | VDD = 5 V; Tj = 25 °C, IO = 50 mA, RL = 60 Ω, CL = 10 pF, VL = 5 V | 6 | ||
| OUTn current fall time (evaluated as OUTn rising time) | tOFF | 430 | ns | VDD = 3.3 V; Tj = 25 °C, IO = 50 mA, RL = 60 Ω, CL = 10 pF, VL = 5 V | 6 | ||
| OUTn current fall time (evaluated as OUTn rising time) | tOFF | 400 | ns | VDD = 5 V; Tj = 25 °C, IO = 50 mA, RL = 60 Ω, CL = 10 pF, VL = 5 V | 6 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | copper | perimeter (using the package sides without pins) • A reasonable number of vias must connect the copper area below the package to all available PCB layers | 10 |
CAD (KiCad official)
- Symbol:
ALED8102SXTTR - Footprint:
Package_SO:TSSOP-16-1EP_4.4x5mm_P0.65mm - 3D model: HTSSOP-16-EP (KiCad packages3D, STEP)
- 3D model files:
aled8102sxttr-etched.step/aled8102sxttr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);aled8102sxttr.step/aled8102sxttr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (19 pp, sha256
0d02358b2e48659d, retrieved 2026-10-31, tier: manufacturer) - 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).
# ALED8102SXTTR
**STMicroelectronics** · LED Drivers · HTSSOP-16-EP
ALED8102SXTTR from STMicroelectronics, in a HTSSOP-16-EP. 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 terminal; the datasheet rates the GND terminal current (IGND) at 800 mA absolute maximum. |
| 2 | SW1 | input | Switch input that turns OUT0 and OUT1 ON together when high (VIH min 0.8·VDD, max VDD); it is pulled down by 300 kΩ and must be at or below 0.2·VDD for a low level. |
| 3 | SW2 | input | Switch input that turns OUT2 and OUT3 ON together when high (VIH min 0.8·VDD, max VDD); it is pulled down by 300 kΩ and must be at or below 0.2·VDD for a low level. |
| 4 | SW3 | input | Switch input that turns OUT4 and OUT5 ON together when high (VIH min 0.8·VDD, max VDD); it is pulled down by 300 kΩ and must be at or below 0.2·VDD for a low level. |
| 5 | OUT0 | output | Constant current output channel 0, controlled by SW1, regulating 5 mA to 100 mA with an output voltage range of 0.85 V to 19 V (absolute maximum -0.5 V to 20 V). |
| 6 | OUT1 | output | Constant current output channel 1, controlled by SW1, regulating 5 mA to 100 mA with an output voltage range of 0.85 V to 19 V (absolute maximum -0.5 V to 20 V). |
| 7 | OUT2 | output | Constant current output channel 2, controlled by SW2, regulating 5 mA to 100 mA with an output voltage range of 0.85 V to 19 V (absolute maximum -0.5 V to 20 V). |
| 8 | OUT3 | output | Constant current output channel 3, controlled by SW2, regulating 5 mA to 100 mA with an output voltage range of 0.85 V to 19 V (absolute maximum -0.5 V to 20 V). |
| 9 | OUT4 | output | Constant current output channel 4, controlled by SW3, regulating 5 mA to 100 mA with an output voltage range of 0.85 V to 19 V (absolute maximum -0.5 V to 20 V). |
| 10 | OUT5 | output | Constant current output channel 5, controlled by SW3, regulating 5 mA to 100 mA with an output voltage range of 0.85 V to 19 V (absolute maximum -0.5 V to 20 V). |
| 11 | OUT6 | output | Constant current output channel 6, controlled by SW4, regulating 5 mA to 100 mA with an output voltage range of 0.85 V to 19 V (absolute maximum -0.5 V to 20 V). |
| 12 | OUT7 | output | Constant current output channel 7, controlled by SW4, regulating 5 mA to 100 mA with an output voltage range of 0.85 V to 19 V (absolute maximum -0.5 V to 20 V). |
| 13 | SW4 | input | Switch input that turns OUT6 and OUT7 ON together when high (VIH min 0.8·VDD, max VDD); it is pulled down by 300 kΩ and must be at or below 0.2·VDD for a low level. |
| 14 | OE | input | Global PWM brightness control input that dims all active outputs; it must be connected to GND if not used, and has an internal 300 kΩ pull-up with a minimum high level of 0.8·VDD and a minimum output-enable pulse width of 1 µs. |
| 15 | R-EXT | passive | Terminal for the external resistor that programs the constant output current (e.g. 386 Ω gives IO ≈ 50 mA), to be placed as close as possible to the device and connected to GND. |
| 16 | VDD | power_in | Supply voltage terminal; the operative range is 3.0 V to 5.5 V, with an absolute maximum rating of 0 to 7 V. |
| 17 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | HTSSOP-16-EP |
| Category | Display Modules / LED Drivers / Display Drivers |
| Pins | 17 |
## 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 | VDD | 3 | | 5.5 | V | | 5 |
| UVLO threshold (rising) | VUVLO | 2.7 | | 2.9 | V | | 5 |
| UVLO threshold (falling) | VUVLO | 2.1 | | 2.3 | V | | 5 |
| Output voltage | VO | 0.85 | | 19 | V | OUT0, OUT7 | 5 |
| External current set-up resistance | REXT | | | 3.9 | | | 5 |
| Supply current (OFF) | IDD(OFF2) | | 14 | 16 | mA | REXT = 190 Ω; OUT0 to 7 = OFF | 5 |
| Supply current (OFF) | IDD(OFF1) | | 7 | 8 | mA | OUT0 to 7 = OFF | 5 |
| Supply current (ON) | IDD(ON) | | 14 | 16 | mA | REXT = 190 Ω; VO = 1.4 V; OUT0 to 7 = ON | 5 |
| Output current precision: chip to chip | ΔIOL | -6 | | 6 | % | | 5 |
| Output current precision: channel to channel | ΔIOL1 | -4 | 1.5 | 4 | % | | 5 |
| Output current precision (VO = 1.4 V; REXT = 190 Ω) | ΔIOL2 | -4 | 1.2 | 4 | | VO = 1.4 V; REXT = 190 Ω | 5 |
| Single output leakage current | IOleak | | 0.5 | 2 | µA | VO = 19 V; OUTn = OFF | 5 |
| Output enable minimum pulse width | tW(OE) | 1 | | | µs | | 6 |
| Supply voltage (absolute maximum) | VDD | 0 | | 7 | V | | 4 |
| Output voltage (absolute maximum) | VO | -0.5 | | 20 | V | | 4 |
| Output current (absolute maximum) | IO | | | 100 | mA | | 4 |
| Input voltage (absolute maximum) | VI | -0.4 | | | V | | 4 |
| GND terminal current (absolute maximum) | IGND | | | 800 | mA | | 4 |
| Electrostatic discharge protection HBM | ESD | -2 | | 2 | KV | HBM human body model | 4 |
| Electrostatic discharge protection MM | ESD | | | 100 | V | MM machine model | 4 |
| Operative junction temperature range | TJ | -40 | | 150 | °C | | 4 |
| Storage ambient temperature range | TSTG | -55 | | 150 | °C | | 4 |
| UVLO hysteresis | HyUVLO | | 0.4 | | V | | 5 |
| Pull-up resistor for OE pin | RUP | | 300 | | KΩ | | 5 |
| Pull-down resistor for SWx pins | RDW | | 310 | | | | 5 |
| Output current vs. output voltage regulation | %/dVO | | 0.1 | | /%/V/ | VO from 1 V to 3 V | 5 |
| Output current vs. supply voltage regulation | %/dVDD | | 1 | | | VDD from 3 V to 5.5 V | 5 |
| Thermal shutdown | Tsd | | 170 | | °C | | 5 |
| Thermal shutdown hysteresis | Tsd_hys | | 15 | | °C | | 5 |
| Thermal resistance junction-ambient (HTSSOP16) | Rthj-amb | | 37.5 | | °C/W | | 4 |
| Propagation delay time (L to H), SWx, OUTn | tPLH1 | | 220 | | ns | OE just 0; VDD = 3.3 V; Tj = 25 °C, IO = 50 mA, RL = 60 Ω, CL = 10 pF, VL = 5 V | 6 |
| Propagation delay time (L to H), SWx, OUTn | tPLH1 | | 200 | | ns | OE just 0; VDD = 5 V; Tj = 25 °C, IO = 50 mA, RL = 60 Ω, CL = 10 pF, VL = 5 V | 6 |
| Propagation delay time (L to H), OE, OUTn | tPLH2 | | 220 | | ns | SWx just 1; VDD = 3.3 V; Tj = 25 °C, IO = 50 mA, RL = 60 Ω, CL = 10 pF, VL = 5 V | 6 |
| Propagation delay time (L to H), OE, OUTn | tPLH2 | | 200 | | ns | SWx just 1; VDD = 5 V; Tj = 25 °C, IO = 50 mA, RL = 60 Ω, CL = 10 pF, VL = 5 V | 6 |
| Propagation delay time (H to L), SWx, OUTn | tPHL1 | | 100 | | ns | OE just 0; VDD = 3.3 V; Tj = 25 °C, IO = 50 mA, RL = 60 Ω, CL = 10 pF, VL = 5 V | 6 |
| Propagation delay time (H to L), OE, OUTn | tPHL2 | | 90 | | ns | SWx just 1; VDD = 3.3 V; Tj = 25 °C, IO = 50 mA, RL = 60 Ω, CL = 10 pF, VL = 5 V | 6 |
| Propagation delay time (H to L), OE, OUTn | tPHL2 | | 100 | | ns | SWx just 1; VDD = 5 V; Tj = 25 °C, IO = 50 mA, RL = 60 Ω, CL = 10 pF, VL = 5 V | 6 |
| OUTn current rise time (evaluated as OUTn falling time) | tON | | 430 | | ns | VDD = 3.3 V; Tj = 25 °C, IO = 50 mA, RL = 60 Ω, CL = 10 pF, VL = 5 V | 6 |
| OUTn current rise time (evaluated as OUTn falling time) | tON | | 400 | | ns | VDD = 5 V; Tj = 25 °C, IO = 50 mA, RL = 60 Ω, CL = 10 pF, VL = 5 V | 6 |
| OUTn current fall time (evaluated as OUTn rising time) | tOFF | | 430 | | ns | VDD = 3.3 V; Tj = 25 °C, IO = 50 mA, RL = 60 Ω, CL = 10 pF, VL = 5 V | 6 |
| OUTn current fall time (evaluated as OUTn rising time) | tOFF | | 400 | | ns | VDD = 5 V; Tj = 25 °C, IO = 50 mA, RL = 60 Ω, CL = 10 pF, VL = 5 V | 6 |
## Materials and finish
As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | copper | | perimeter (using the package sides without pins) • A reasonable number of vias must connect the copper area below the package to all available PCB layers | 10 |
## CAD (KiCad official)
- Symbol: `ALED8102SXTTR`
- Footprint: `Package_SO:TSSOP-16-1EP_4.4x5mm_P0.65mm`
- 3D model: HTSSOP-16-EP (KiCad packages3D, STEP)
- 3D model files: `aled8102sxttr-etched.step` / `aled8102sxttr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `aled8102sxttr.step` / `aled8102sxttr.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [STMicroelectronics datasheet](https://www.st.com/resource/en/datasheet/aled8102sxttr.pdf) (19 pp, sha256 `0d02358b2e48659d`, retrieved 2026-10-31, tier: manufacturer)
- **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/aled8102sxttr-datasheet.pdf)