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Contents

README

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TPS61041M5

HGSEMI · DC-DC Converters · SOT-23-5

TPS61041M5 from HGSEMI, in a SOT-23-5. 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 passive Switch pin connected to the drain of the internal power MOSFET; connect the inductor and Schottky diode here (max switch voltage 30 V).
2 GND power_in Ground.
3 FB input Feedback pin; connect to the external voltage divider to program the output voltage (reference 1.233 V).
4 EN input Enable pin; pulling it to ground forces shutdown with supply current below 1 µA, and it must not be left floating.
5 VIN power_in Supply voltage pin, 1.8 V to 6 V operating range.

Key specifications

Parameter Value
Manufacturer HGSEMI
Package SOT-23-5
Category Power Supply Chip
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
Input voltage range VIN 1.8 6 V VIN = 2.4 V, EN = VIN, TA = -40°C to 85°C 6
Operating quiescent current IQ 28 50 µA IOUT = 0 mA, not switching, VFB = 1.3 V 6
Shutdown current ISD 0.1 1 µA EN = GND 6
Under-voltage lockout threshold VUVLO 1.5 1.7 V 6
EN high level input voltage VIH 1.3 V 6
EN low level input voltage VIL 0.4 V 6
EN input leakage current II 0.1 1 µA EN = GND or VIN 6
Maximum switch voltage Vsw 30 V 6
Minimum off time toff 250 400 550 ns 6
Maximum on time ton 4 6 7.5 µs 6
MOSFET on-resistance RDS(on) 750 1250 mΩ VIN = 2.4 V; ISW = 200 mA; TPS61041 6
MOSFET leakage current 1 10 µA VSW = 28 V 6
MOSFET current limit ILIM 215 250 285 mA TPS61041 6
Adjustable output voltage range VOUT 28 V 6
Internal voltage reference Vref 1.233 V 6
Feedback input bias current IFB 1 µA VFB = 1.3 V 6
Feedback trip point voltage VFB 1.208 1.233 1.258 V 1.8 V ≤ VIN ≤ 6 V 6
Line regulation 0.05 %/V 1.8 V ≤ VIN ≤ 6 V; VOUT = 18 V; Iload = 10 mA; CFF = not connected 6
Load regulation 0.15 %/mA VIN = 2.4 V; VOUT = 18 V; 0 mA ≤ IOUT ≤ 30 mA 6
Supply voltage on pin VIN VIN -0.3 7 V 5
Switch voltage on pin SW 30 V 5
Lead temperature (soldering, 10 seconds) 260 °C 5
Operating junction temperature TJ -40 150 °C 5
Storage temperature Tstg -65 150 °C 5
Input voltage range VIN 1.8 6 V 5
Output voltage range VOUT 28 V 5
Inductor L 2.2 10 µH see application section 5
Switching frequency f 1 MHz 5
Input capacitor CIN 4.7 µF see application section 5
Output capacitor COUT 1 µF see application section 5
Operating ambient temperature TA -40 85 °C 5
Operating junction temperature TJ -40 125 °C 5

CAD (KiCad official)

  • Symbol: TPS61041M5
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: tps61041m5-etched.step / tps61041m5-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tps61041m5.step / tps61041m5.glb are the bare package body.

Provenance

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

  • Datasheet: HGSEMI datasheet (20 pp, sha256 81e08c65c860e641, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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