component
ALED7707TR
Public Made by Adomby adom
STMicroelectronics LED Drivers, QFN-24-EP(5x5). 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
markdownALED7707TR
STMicroelectronics · LED Drivers · QFN-24-EP(5x5)
ALED7707TR from STMicroelectronics, in a QFN-24-EP(5x5). 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 | COMP | passive | Error amplifier output; a simple RC series network between this pin and ground is needed to compensate the boost regulator loop. |
| 2 | RILIM | passive | Output row current limit setting; the row output current is programmed by a resistor connected to SGND. |
| 3 | BILIM | passive | Boost converter current limit setting; the internal MOSFET current limit is programmed by a resistor connected to SGND. |
| 4 | FSW | input | Switching frequency selection via a resistor to SGND, also used as the external synchronization input (see Section 5.1.5). |
| 5 | MODE | input | Current generator fault management selector, allowing LED failures to be detected and managed (see Section 5.3.2). |
| 6 | AVCC | power_in | +5 V analog supply; connect to LDO5 through a simple RC filter. |
| 7 | LDO5 | power_out | +5 V LDO output and power section supply; bypass to SGND with a 1 µF ceramic capacitor. |
| 8 | VIN | power_in | Input voltage; connect to the main supply rail (4.5 V to 36 V input voltage range). |
| 9 | SLOPE | passive | Slope compensation setting; a resistor between the boost converter output and this pin is needed to avoid sub-harmonic instability. |
| 10 | SGND | power_in | Signal ground; supply return for the analog circuitry and the current generators. |
| 11 | ROW1 | output | Row driver output #1 (current generator sink, up to 85 mA adjustable); an unused row can be left floating. |
| 12 | ROW2 | output | Row driver output #2 (current generator sink, up to 85 mA adjustable); an unused row can be left floating. |
| 13 | ROW3 | output | Row driver output #3 (current generator sink, up to 85 mA adjustable); an unused row can be left floating. |
| 14 | ROW4 | output | Row driver output #4 (current generator sink, up to 85 mA adjustable); an unused row can be left floating. |
| 15 | ROW5 | output | Row driver output #5 (current generator sink, up to 85 mA adjustable); an unused row can be left floating. |
| 16 | ROW6 | output | Row driver output #6 (current generator sink, up to 85 mA adjustable); an unused row can be left floating. |
| 17 | PGND | power_in | Power ground; source of the internal power MOSFET. |
| 18 | OVSEL | input | Overvoltage selection; sets the desired overvoltage threshold through an external divider (see Section 5.1.4). |
| 19 | LX | output | Switching node; drain of the internal power MOSFET. |
| 20 | DIM | input | Dimming input; used to set the brightness externally with a PWM signal. |
| 21 | EN | input | Enable input; when low the device is turned off, and when high or left open the device turns on and a soft-start sequence takes place. |
| 22 | FAULT | output | Open-drain fault signal output that goes low when a fault condition is detected (see Section 5.3.1). |
| 23 | SYNC | output | Synchronization output used for external synchronization of the device. |
| 24 | SS | passive | Soft-start; connect a capacitor to SGND to set the desired soft-start duration. |
| 25 | TPAD | power_in | Thermal pad; electrically connected to SGND and must not be left floating. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | QFN-24-EP(5x5) |
| Category | LED Drivers |
| Pins | 25 |
CAD (KiCad official)
- Symbol:
ALED7707TR - Footprint:
Package_DFN_QFN:QFN-24-1EP_5x5mm_P0.65mm_EP3.2x3.2mm - 3D model: QFN-24-EP(5x5) (KiCad packages3D, STEP)
- 3D model files:
aled7707tr-etched.step/aled7707tr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);aled7707tr.step/aled7707tr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (36 pp, sha256
344cd9e660bbcb1a, retrieved 2026-10-08, tier: lcsc) - 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).