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PT4115B89E-JSM

Public Made by Adom

by adom

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

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PT4115B89E-JSM

JSMSEMI · LED Drivers · SOT-89-5

PT4115B89E-JSM from JSMSEMI, 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 bidirectional Internal power MOSFET drain and switch node; the SW pin maximum current is 1.5 A and the internal MOS on-resistance is 300 mΩ for VIN = 6 V to 30 V.
2 VSS power_in Chip ground (GND) return for the controller and the reference for the DIM and CS thresholds.
3 DIM input Brightness (dimming) control input that accepts PWM or analog dimming; the output turns off and the part enters standby when DIM is below 0.3 V, the maximum DIM pin voltage is 6 V, the maximum dimming frequency is 20 kHz, and the pin may be left floating if dimming is not used.
4 CS input Current-sense input connected to the external sense resistor RCS; the VIN−VCS threshold is 95-105 mV (100 mV typ.) and the CS pin input current is 10 µA, and the sense resistor sets the LED output current.
5 VIN power_in Power supply input; the datasheet specifies a 5.5 V to 30 V operating range, and a 47 µF to 100 µF filter capacitor rated above the maximum input voltage is required at this pin.

Key specifications

Parameter Value
Manufacturer JSMSEMI
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
CS pin voltage (VIN-VCS) VCS 95 100 105 mV VIN-VCS 4
Maximum switching frequency FSW_MAX 1 MHz 4
Maximum dimming frequency FDIM 20 KHz 4
DIM input high level VIH 2.5 V 4
DIM input low level VIL 0.3 V 4
Max voltage on DIM pin VMAX2 6 V 3
SW pin maximum current IMAX 1.5 A 3
Maximum power dissipation PDMAX 1.5 W 3
Operating junction temperature range TJ -40 125 °C 3
Storage temperature range TSTG -55 150 °C 3
Soldering temperature (less than 30 s) TSD 240 °C time less than 30 s 3
ESD HBM VHBM 2000 V HBM 3
UVLO threshold (VIN rising from 0 V) VUVLO 5.1 V VIN=VCS, VDIM=VCC, VIN rising from 0 V 4
UVLO hysteresis VHYS 0.4 V 4
Standby current IST 320 uA 4
Current-sense high threshold VCSH 120 mV (VIN-VCS) rising from 0.1 V until DRV output goes low 4
Current-sense low threshold VCSL 80 mV (VIN-VCS) falling from 0.3 V until DRV output goes high 4
CS pin input current ICS 10 uA 4
DIM floating voltage VDIM 5 V DIM floating 4
DIM pull-up resistance RDIM 500 kΩ 4
Internal MOS on-resistance RDSON 300 mΩ VIN=6V~30V 4
Over-temperature regulation threshold OTP_TH 150 °C 4

CAD (KiCad official)

  • Symbol: PT4115B89E-JSM
  • Footprint: Package_TO_SOT_SMD:SOT-89-5
  • 3D model: SOT-89-5 (KiCad packages3D, STEP)
  • 3D model files: pt4115b89e-jsm-etched.step / pt4115b89e-jsm-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pt4115b89e-jsm.step / pt4115b89e-jsm.glb are the bare package body.

Provenance

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

  • Datasheet: JSMSEMI datasheet (11 pp, sha256 51047885136650ff, 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-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