component
IW657P-30-72B
Public Made by Adomby adom
Dialog Semiconductor Monitors & Reset Circuits, TDFN-14(3x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownIW657P-30-72B
Dialog Semiconductor · Monitors & Reset Circuits · TDFN-14(3x4)
IW657P-30-72B 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; DIS voltage is rated -0.3 to 30 V with a peak current of 600 mA at VDIS = 12 V. |
| 2 | DRV | output | External circuit drive that can drive an optocoupler LED with automatic current limiting for signalling to the primary side; DRV voltage is rated -0.3 to 30 V. |
| 3 | VCC | power_in | IC power supply; VCC voltage is rated -0.3 to 30 V. |
| 4 | DET | input | AC unplug detect input; DET voltage is rated -0.7 to 30 V. |
| 5 | VBUS | power_in | Monitors the VBUS voltage after the N-FET switch; VBUS is rated -0.7 to 30 V (for IVBUS < 10 mA). |
| 6 | VBUS_G | bidirectional | Connects to the external N-FET gate for gate-source voltage control; VBUS_G voltage is rated -0.7 to 35 V. |
| 7 | CC2 | bidirectional | Configuration Channel 2 for USB Type-C attach/detect and VCONN; CC2 voltage is rated -0.3 to 30 V. |
| 8 | CC1 | bidirectional | Configuration Channel 1 for USB Type-C attach/detect and VCONN; CC1 voltage is rated -0.3 to 30 V. |
| 9 | IS- | input | Output current sensing terminal (-) for the current sensing resistor; IS- voltage is rated -0.3 to 7 V. |
| 10 | IS+ | input | Output current sensing terminal (+) for the current sensing resistor; IS+ voltage is rated -0.3 to 7 V. |
| 11 | SD | bidirectional | Connects to an external NTC resistor to measure power adapter temperature; SD voltage is rated -0.3 to 7 V. |
| 12 | D- | bidirectional | USB D- data signal with over-voltage protection; D- voltage is rated -0.3 to 7 V and ESD is ±8,000 V (JEDEC JESD22-A114). |
| 13 | GND | power_in | Ground reference for the device. |
| 14 | D+ | bidirectional | USB D+ data signal with over-voltage protection; D+ voltage is rated -0.3 to 7 V and ESD is ±8,000 V (JEDEC JESD22-A114). |
| 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 | per JEDEC JESD22-A114 (D+, D-, CC1, CC2) | 5 | ||
| ESD rating (all other pins) | -2000 | 2000 | V | per JEDEC JESD22-A114 (all other pins) | 5 |
CAD (KiCad official)
- Symbol:
IW657P-30-72B - 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-30-72b-etched.step/iw657p-30-72b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);iw657p-30-72b.step/iw657p-30-72b.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Dialog Semiconductor datasheet (7 pp, sha256
70fbac86b6011fd0, retrieved 2026-10-30, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).