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STI8036

Public Made by Adom

by adom

TMI Power Management - Specialized, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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STI8036

TMI · Power Management - Specialized · ESOP-8

STI8036 from TMI, in a ESOP-8. 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 VIN power_in Power supply input for the regulator, operating from 9 V to 14 V with 12 V typical.
2 VOUT power_out Output voltage to the LNB, selected as 14 V or 19 V by the H_L pin.
3 BOOST power_out BOOST converter output voltage sense point and the input terminal of the internal LDO.
4 VCP passive Charge pump node that supplies the LDO.
5 LX output DC-DC converter switch node, connected to the boost inductor.
6 EN input Enable input: when low the output is disabled, and setting EN high enables the output voltage.
7 H_L input Output voltage select input: high selects 19 V and low selects 14 V.
8 EXTM input 22 kHz EXTM (DiSEqC tone) signal input.
9 GND power_in Power ground, provided as the exposed pad on the ESOP8L package.

Key specifications

Parameter Value
Manufacturer TMI
Package ESOP-8
Category Power Management (PMIC)
Pins 9

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
VIN,EN Supply Voltage Range -0.3 24 V 2
BOOST Voltage Range -0.3 30 V 2
VOUT Voltages Range -0.3 24 V 2
LX Voltage Range -2 30 V 2
VCP Voltage Range -0.3 30 V 2
H/L,TON_IN Voltage Range -0.3 6 V 2
Junction Temperature -40 150 °C 2
Storage Temperature -50 150 °C 2
Lead Temperature (Soldering, 10s) 260 °C Soldering, 10s 2
Voltage Range IN 9 14 V 4
TA Operating Temperature Range TA -40 85 °C 4
Operating supply voltage range VIN 9 12 14 V 4
Output Voltage (H_L high, 19V) VOUT 18 19 V EN=1, H_L=1, ILOAD=200mA 4
Output Voltage (H_L low, 14V) VOUT 13 14 V EN=1, H_L=0, ILOAD=200mA 4
Linear Regulator Drop Voltage VDROP 0.6 1.2 V EN=1, ILOAD=450mA 4
VIN Line Regulation RLINE 4 40 mV VIN=9~14V, VOUT=19V 4
VOUT output load regulation RLOAD 30 80 mV Iload=0~450mA, VOUT=19V, Slow Rate=255mA/us, CLOAD=0.2uF 5
BOOST DC/DC Switching Frequency FBOOST 0.8 1 1.2 MHz EN=1 5
Input EXTM Frequency Range FEXTM 20 22 KHz 5
VOUT Output EXTM Amplitude, peak to peak VPP_EXTM 600 700 800 mV ILOAD=0~450mA, CLOAD=100nF 5
VOUT output EXTM Rising Time TRISE_TON 6 8 10 uS ILOAD=0~450mA, CLOAD=570nF 5
VOUT output EXTM Falling Time TFALL_TON 6 8 10 uS ILOAD=0~450mA, CLOAD=570nF 5
Short protection ESD rating, Human Body Model (all pins) VESD -2000 2000 V Human Body Model, JEDEC JS-001 4
Thermal resistance (junction to ambient, per Note 2) 250 °C/W TJ = TA + PD x (250°C/W) 6
Operating supply current (EXTM_IN=0V) IIN 10 mA EN=1, VOUT=19V, EXTM_IN=0V 4
Operating supply current (22KHz EXTM input) IIN 25 mA EN=1, VOUT=19V, 22KHz EXTM Input 4
Input Under Voltage Lockout Threshold VUVLO 7.5 V Vin rising 4
Input Under Voltage Lockout Threshold Hysteresis VUVLO_HY 0.6 V 4
Disable Supply Current ISDN 0.2 mA EN=0 4
DC Control Switching Transition 14V->19V TDCTRAN 1 ms ILOAD=200mA 4
DC Control Switching Transition 19V->14V TDCTRAN 1 ms ILOAD=200mA 4
Power-on VOUT Rise Time TRVOUT 1.5 ms ILOAD=200mA 5
Ripple and noise on VOUT output (20MHz BWL) VNOISE 35 mV 20MHz BWL 5
Ripple and noise on VOUT output (350MHz BWL) VNOISE 70 mV 350MHz BWL 5
Output Current limit ILIMIT 600 mA VOUT=19V or VOUT=14V 5
VOUT output short 240 mA 5
Switch On Resistance Rson 120 mΩ ILOAD=450mA 5
BOOST Maximum Duty DBST_MAX 80 % 5
BOOST Minimum On time DBST_MIN 0 % 5
BOOST Current Limit IBST_LIM 1.5 A 5
Dynamic Overload ON time Ton 75 mS Output shorted to GND 5
Dynamic Overload OFF time Toff 1600 mS Output shorted to GND 5
Thermal Shutdown Threshold TSDN 150 ℃ 5
Thermal Shutdown Hysteresis TSDN_HY 25 ℃ 5
EXTM Pin Input Leakage Current ITON_LEAK 5 uA Pull down 2M RES 5
H_L High Logic Input VHL_INH 1 V 6
H_L Low Logic Input VHL_INL 0.55 V 6
H_L Pin Input Leakage IHL_LEAK 3 uA Input=1.2V, Pull down 2M RES 6
EN High Logic Input VEN_INH 1 V 6
EN Low Logic Input VEN_INL 0.55 V 6
EN PIN Maximum Input Current IEN_MAX 15 uA 6

CAD (KiCad official)

  • Symbol: STI8036
  • Footprint: Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm
  • 3D model: ESOP-8 (KiCad packages3D, STEP)
  • 3D model files: sti8036-etched.step / sti8036-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sti8036.step / sti8036.glb are the bare package body.

Provenance

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

  • Datasheet: TMI datasheet (8 pp, sha256 1e907df47a224b77, retrieved 2026-10-19, tier: lcsc)
  • 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