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IW657P-30-72

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

IW657P-30-72 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=12V).
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 at IVBUS < 10mA).
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, with over-voltage protection).
8 CC1 bidirectional Configuration Channel 1 (absolute maximum -0.3 to 30 V, with over-voltage protection).
9 IS- input Output current sensing terminal minus for the current sensing resistor (absolute maximum -0.3 to 7 V).
10 IS+ input Output current sensing terminal plus 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 with over-voltage protection (absolute maximum -0.3 to 7 V).
13 GND power_in Ground.
14 D+ bidirectional USB D+ signal with over-voltage protection (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 (D+, D-, CC1, CC2) -8000 8000 V JEDEC JESD22-A114 5
ESD rating (all other pins) -2000 2000 V JEDEC JESD22-A114 5

CAD (KiCad official)

  • Symbol: IW657P-30-72
  • 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-30-72-etched.step / iw657p-30-72-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); iw657p-30-72.step / iw657p-30-72.glb are the bare package body.

Provenance

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

  • Datasheet: Dialog Semiconductor datasheet (7 pp, sha256 1942c45856bf80d4, 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