component

MBI6656GSB-B

Public Made by Adom

by adom

MBI LED Drivers, SOT-89-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MBI6656GSB-B

MBI · LED Drivers · SOT-89-5

MBI6656GSB-B from MBI, in a SOT-89-5. 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 SW output Switch output terminal; pin withstands -0.3 to 45 V.
2 GND power_in Ground terminal.
3 DIM input Digital/analog dimming control input, driven by a PWM signal or a DC voltage (0.3 V to 2.5 V analog range; withstands -0.3 to 45 V); floating keeps output current on via internal pull-up.
4 SEN input Output current sense terminal; average sense voltage is 100 mV (95 to 105 mV) across the external RSEN, and the pin withstands -0.3 to 45 V.
5 VIN power_in Supply voltage terminal, operating range 6 V to 40 V (absolute maximum 0 to 45 V).

Key specifications

Parameter Value
Manufacturer MBI
Package SOT-89-5
Category LED Drivers
Pins 5

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 VIN VIN 6 40 V 5
Supply current IIN IIN 2 mA VIN=6V~40V 5
SEN pin average voltage VSENSE 95 100 105 mV 5
Internal propagation delay time TPD 100 200 320 ns 5
Switch on-resistance Rds(on) 0.3 0.4 Ω VIN=12V 5
Recommended SW duty cycle range (design-verified only, not production tested) Dsw 20 80 % 5
Maximum operating frequency (design-verified only, not production tested) FreqMax 40 1000 kHz 5
Over-temperature shutdown threshold (design-verified only, not production tested) TSD 145 165 175 °C 5
Over-temperature shutdown hysteresis (design-verified only, not production tested) TSD-HYS 20 30 40 °C 5
DIM pin high-level input voltage VIH 2.5 40 V 5
DIM pin low-level input voltage VIL 0.3 V 5
PWM signal duty cycle range on DIM pin DutyPWM 0 100 % PWM 频率: 1kHz 5
Maximum voltage rating VIN (maximum working range) VIN 0 45 V 4
DIM pin withstand voltage VDIM -0.3 45 V 4
SW pin withstand voltage VSW -0.3 45 V 4
SEN pin withstand voltage VSEN -0.3 45 V 4
Operating ambient temperature Topr -40 85 °C 4
Storage ambient temperature Tstg -55 150 °C 4
Junction temperature maximum Tj,max 150 °C 4
ESD human body model (HBM) 5 KV MIL-STD-883G Method 3015.8, HBM Class 3A 4
ESD machine model (MM) 400 V ANSI/ESD S5.2-2009, MM Class M4 4
Power dissipation, GSB package PD 1.77 W Ta=25°C, four-layer PCB, GSB package 4
Thermal resistance junction-to-ambient, GSB package Rth(j-a) 70.8 °C/W Measured on PCB per JEDEC JESD51-3 (PCB area 4x chip, no heatsink), GSB package 4

CAD (KiCad official)

  • Symbol: MBI6656GSB-B
  • Footprint: Package_TO_SOT_SMD:SOT-89-5
  • 3D model: SOT-89-5 (KiCad packages3D, STEP)
  • 3D model files: mbi6656gsb-b-etched.step / mbi6656gsb-b-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mbi6656gsb-b.step / mbi6656gsb-b.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: MBI datasheet (19 pp, sha256 e4da7bd8a183e1a1, retrieved 2026-10-19, 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