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MAX706TM

Public Made by Adom

by adom

HGSEMI Supervisor And Reset ICs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MAX706TM

HGSEMI · Supervisor And Reset ICs · SOP-8

MAX706TM from HGSEMI, in a SOP-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 MR input Active-LOW manual reset input with a 250µA internal pull-up, so it can be driven by TTL/CMOS logic or shorted to ground with a switch.
2 VCC power_in +5V power supply input; the electrical characteristics specify an operating range of 1.2 V to 5.5 V, and the absolute maximum supply is -0.3 V to +6.0 V.
3 GND power_in Ground reference for all signals.
4 PFI input Power-fail voltage monitor input; PFO goes low when PFI is below 1.25 V, and PFI should be connected to GND or VCC when not used.
5 PFO output Active-LOW power-fail output that sinks current when PFI is less than 1.25 V.
6 WDI input Watchdog input; a high or low transition within the 2.4 s timeout clears the timer, and floating or three-stating WDI disables the watchdog, with transitions as short as 50 ns recognized.
7 RESET output Active-LOW reset output that pulses low for 300 ms when triggered and stays low while VCC is below the reset threshold (4.4 V MAX706, 3.08 V MAX706T, 2.93 V MAX706S, 2.63 V MAX706R).
8 WDO output Watchdog output that pulls LOW when the 2.4 s watchdog timer times out and stays low until the watchdog is cleared, with no minimum pulse width and remaining low while VCC is below the reset threshold.

Key specifications

Parameter Value
Manufacturer HGSEMI
Package SOP-8
Category Power Management (PMIC)
Pins 8

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Operating voltage range Vcc 1.2 5.5 V MAX706/T/S/R 5
Supply current Icc 75 140 µA MAX706/T/S/R 5
RESET threshold VRT 2.98 3.08 3.15 V MAX 706 T 5
RESET pulse width tRS 140 300 420 ms 5
Manual RESET pull-up current 100 250 600 µA MR=0V 5
MR input threshold VIH VIH 2 V 5
MR input threshold VIL VIL 0.8 V 5
RESET output voltage low 0.4 V ISINK = 3.2mA 5
RESET output voltage low 0.3 V Vcc=1.2V, ISINK = 100µA 5
Watchdog timeout period tWD 2 2.4 3 s MAX706/T/S/R 5
WDI pulse width tWP 50 ns VIL =0.4V, VIH =0.8Vcc 5
WDI input threshold VIH VIH 3.5 V MAX706/T/S/R, Vcc=5V 5
WDI input threshold VIL VIL 0.8 V 5
WDI input current 50 150 µA WDI=Vcc 5
WDI input current -150 -50 µA WDI=0V 5
PFI input threshold 1.2 1.25 1.3 V Vcc=5V 5
PFI input current -25 0.01 25 nA 5
WDO output voltage low 0.4 V MAX706/T/S/R, ISINK = 1.2mA 5
PFO output voltage low 0.4 V ISINK = 3.2mA 5
Supply voltage -0.3 6 V Ta=25℃ 4
All other inputs -0.3 V Ta=25℃ 4
Input current at Vcc and GND 20 mA Ta=25℃ 4
Output current, all outputs 20 mA Ta=25℃ 4
Rate of rise at Vcc 100 V/µs Ta=25℃ 4
SOP power dissipation 470 mW Derate 5.9mW/℃ above 70℃ 4
Operating temperature range 0 70 ℃ 4
Storage temperature range -65 150 ℃ 4
Lead temperature (soldering) 245 ℃ 10 sec. 4
RESET threshold hysteresis 40 mV 5
MR pulse width tMR 0.15 µs 5
MR to RESET output delay tMD 0.25 µs 5

CAD (KiCad official)

  • Symbol: MAX706TM
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: max706tm-etched.step / max706tm-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); max706tm.step / max706tm.glb are the bare package body.

Provenance

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

  • Datasheet: HGSEMI datasheet (12 pp, sha256 a7db74b788192113, retrieved 2026-10-18, 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