MBI5124GP-B

@@ -0,0 +1,66 @@+# MBI5124GP-B++**MBI** · LED Display Drivers · SSOP-24++MBI5124GP-B from MBI, in a SSOP-24. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | GND | power_in | Ground terminal for control logic and current sink. Handles up to 480mA of return current for all 16 output channels combined. |+| 2 | SDI | input | Serial data input to the 16-bit shift register. Schmitt-trigger CMOS input; VIH >= 0.7*VDD. Data is shifted on the rising edge of CLK. |+| 3 | CLK | input | Clock input for shifting data into the register on rising edge. Schmitt-trigger CMOS input; supports up to 25MHz clock frequency. |+| 4 | LE | input | Data strobe (latch enable) input. Serial data is transferred to the output latch while LE is high and latched when LE goes low. Internal pull-down (typ. 350 kOhm). |+| 5 | OUT0 | output | Constant-current LED output channel 0 (active-low, open-drain current sink). Sinks 1-25mA @ VDD=5V (1-10mA @ VDD=3.3V) set by R-EXT; sustaining voltage up to VDD+0.3V (17V max at OUT port). |+| 6 | OUT1 | output | Constant-current LED output channel 1 (active-low, open-drain current sink). Sinks 1-25mA @ VDD=5V programmed by R-EXT. |+| 7 | OUT2 | output | Constant-current LED output channel 2 (active-low, open-drain current sink). |+| 8 | OUT3 | output | Constant-current LED output channel 3 (active-low, open-drain current sink). |+| 9 | OUT4 | output | Constant-current LED output channel 4 (active-low, open-drain current sink). |+| 10 | OUT5 | output | Constant-current LED output channel 5 (active-low, open-drain current sink). |+| 11 | OUT6 | output | Constant-current LED output channel 6 (active-low, open-drain current sink). |+| 12 | OUT7 | output | Constant-current LED output channel 7 (active-low, open-drain current sink). |+| 13 | OUT8 | output | Constant-current LED output channel 8 (active-low, open-drain current sink). |+| 14 | OUT9 | output | Constant-current LED output channel 9 (active-low, open-drain current sink). |+| 15 | OUT10 | output | Constant-current LED output channel 10 (active-low, open-drain current sink). |+| 16 | OUT11 | output | Constant-current LED output channel 11 (active-low, open-drain current sink). |+| 17 | OUT12 | output | Constant-current LED output channel 12 (active-low, open-drain current sink). |+| 18 | OUT13 | output | Constant-current LED output channel 13 (active-low, open-drain current sink). |+| 19 | OUT14 | output | Constant-current LED output channel 14 (active-low, open-drain current sink). |+| 20 | OUT15 | output | Constant-current LED output channel 15 (active-low, open-drain current sink). |+| 21 | OE | input | Active-low output enable. When OE is low the output drivers are enabled; when high, all outputs are turned off (blanked). Internal pull-up (typ. 350 kOhm) to VDD; min pulse width 50ns @ VDD=5V. |+| 22 | SDO | output | Serial data output to the SDI of the next driver IC in the daisy chain. Changes on rising edge of CLK. Push-pull CMOS output; IOH/IOL = 1.0mA typical. |+| 23 | R-EXT | passive | External resistor connection used to program the output current for all 16 channels. Typical values: R_ext=1820 Ohm for ~10.7mA @ 5V; R_ext=720 Ohm for ~25.8mA @ 3.3V. Tie through resistor to GND. |+| 24 | VDD | power_in | 3.3V or 5V supply voltage terminal (absolute max 7.0V). Bypass locally to GND. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | MBI |+| Package | SSOP-24 |+| Category | LED-drv |+| Pins | 24 |++## Ordering variants++- `MBI5124GP-BGP`+- `MBI5124GP-BGF`+- `MBI5124GP-BGM`+- `MBI5124GP-BGFN`++## CAD (KiCad official)++- Symbol: `MBI5124GP-B`+- Footprint: `Package_SO:SSOP-24_5.3x8.2mm_P0.65mm`+- 3D model: SSOP-24 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [MBI datasheet](docs/mbi5124gp-b-datasheet.pdf) (23 pp, sha256 `0647b126ba039e32`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/mbi5124gp-b-datasheet.pdf)

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