component

IW657P-18-70B

Public Made by Adom

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Dialog Semiconductor Monitors & Reset Circuits, TDFN-14(3x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentpower management icsiw657p-18-70bfactory-2.0.0extractor-text

Verified IW657P-18-70B

by Ray · last 30 Oct 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

30 Oct 2026RayPublished by the parts factory: tier lcsc, 15 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: IW657P-18-70B · TDFN-14(3x4) · 15 pins
  • ✓copper: 15 copper pads, none touching another net
  • ✓datasheet: all 15 pin names found in the 7-page datasheet
  • •distributor (warn): no ['digikey'] number
  • ✓family: DFN-14-1EP_3x4mm_P0.5mm_EP1.7x3.3mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-qkvz045f/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 15 pins = 15 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 15 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ iw657p-18-70b.kicad_sym✓ iw657p-18-70b.kicad_mod✓ iw657p-18-70b.step
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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 8d ago
viewers iw657p-18-70b: viewers · Ray 8d ago
iw657p-18-70b-etched.glb Publish 0.1.0 · Ray 8d ago
iw657p-18-70b-etched.step iw657p-18-70b: factory component page (tier=lcsc) · Ray 8d ago
iw657p-18-70b-hero.glb iw657p-18-70b: hero GLB from the etched model (keeps the MPN mark) · Ray 8d ago
iw657p-18-70b-hero.overlay.json Publish 0.1.0 · Ray 8d ago
iw657p-18-70b.glb Publish 0.1.0 · Ray 8d ago
iw657p-18-70b.kicad_mod Publish 0.1.0 · Ray 8d ago
iw657p-18-70b.kicad_sym Publish 0.1.0 · Ray 8d ago
iw657p-18-70b.lbr Publish 0.1.0 · Ray 8d ago
iw657p-18-70b.step Publish 0.1.0 · Ray 8d ago
package.json Publish 0.1.0 · Ray 8d ago
page.json Set visibility: public · Ray 8d ago
README.md Publish 0.1.0 · Ray 8d ago
verification.json Verified: Published by the parts factory: tier lcsc, 15 pins · Ray 8d ago

IW657P-18-70B

Dialog Semiconductor · Monitors & Reset Circuits · TDFN-14(3x4)

IW657P-18-70B from Dialog Semiconductor, in a TDFN-14(3x4). 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 DIS output Discharging circuit used for fast discharging of the output capacitor (absolute maximum -0.3 to 30 V, peak 600 mA at VDIS = 12 V).
2 DRV output External circuit drive that can drive an optocoupler LED with automatic current limiting for transmitting signals to the primary side (absolute maximum -0.3 to 30 V).
3 VCC power_in IC power supply (absolute maximum -0.3 to 30 V).
4 DET input AC unplug detect input (absolute maximum -0.7 to 30 V).
5 VBUS power_in Monitors the VBUS voltage after the N-FET switch (absolute maximum -0.7 to 30 V for IVBUS < 10 mA).
6 VBUS_G bidirectional Connects to the external N-FET gate pin for gate-source voltage control (absolute maximum -0.7 to 35 V).
7 CC2 bidirectional Configuration Channel 2 (absolute maximum -0.3 to 30 V).
8 CC1 bidirectional Configuration Channel 1 (absolute maximum -0.3 to 30 V).
9 IS- input Output current sensing terminal - for the current sensing resistor (absolute maximum -0.3 to 7 V).
10 IS+ input Output current sensing terminal + for the current sensing resistor (absolute maximum -0.3 to 7 V).
11 SD bidirectional Connects to an external NTC resistor to measure the power adapter temperature (absolute maximum -0.3 to 7 V).
12 D- bidirectional USB D- signal (absolute maximum -0.3 to 7 V).
13 GND power_in Ground.
14 D+ bidirectional USB D+ signal (absolute maximum -0.3 to 7 V).
15 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Dialog Semiconductor
Package TDFN-14(3x4)
Category Power Management ICs
Pins 15

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
VCC voltage VCC -0.3 30 V 5
DIS voltage VDIS -0.3 30 V 5
DRV voltage VDRV -0.3 30 V 5
VSD voltage VSD -0.3 7 V 5
D- voltage VD- -0.3 7 V 5
D+ voltage VD+ -0.3 7 V 5
CC1 voltage VCC1 -0.3 30 V 5
CC2 voltage VCC2 -0.3 30 V 5
VBUS voltage VBUS -0.7 30 V IVBUS < 10mA 5
VBUS_G voltage VBUS_G -0.7 35 V 5
DET voltage VDET -0.7 30 V 5
Peak current at DIS pin IDIS 600 mA VDIS= 12V 5
IS+ voltage VIS+ -0.3 7 V 5
IS- voltage VIS- -0.3 7 V 5
Maximum junction temperature TJMAX 150 °C 5
Operating junction temperature TJOPT -40 150 °C 5
Storage temperature TSTG -65 150 °C 5
ESD rating per JEDEC JESD22-A114 (D+, D-, CC1, CC2) -8000 8000 V D+, D-, CC1, CC2 5
ESD rating per JEDEC JESD22-A114 (all other pins) -2000 2000 V all other pins 5

CAD (KiCad official)

  • Symbol: IW657P-18-70B
  • Footprint: Package_DFN_QFN:DFN-14-1EP_3x4mm_P0.5mm_EP1.7x3.3mm
  • 3D model: TDFN-14(3x4) (KiCad packages3D, STEP)
  • 3D model files: iw657p-18-70b-etched.step / iw657p-18-70b-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); iw657p-18-70b.step / iw657p-18-70b.glb are the bare package body.

Provenance

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

  • Datasheet: Dialog Semiconductor datasheet (7 pp, sha256 3b0480d938f869da, retrieved 2026-10-30, 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