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abhisheknote1234-writ
The HARDWARE design for the product - Intelligent maternal health monitoring using PPG for early detection of stress and pregnancy-related risks.
| Reference | Value | Description |
|---|---|---|
| U1 | USBLC6-2SC6 | Very low capacitance ESD protection diode, 2 data-line, SOT-23-6 |
| U2 | MAX17048G_T10 | 3µA 1-Cell/2-Cell Fuel Gauge with ModelGauge |
| U6 | TPS7A0518PDBV | 200-mA Ultra-Low-Iq LDO, 1.8V, SOT-23-5 |
| U7 | BQ24074RGT | USB-Friendly Li-Ion Battery Charger and Power-Path Management, VQFN-16 |
| U8 | TPS7A0533PDBV | 200-mA Ultra-Low-Iq LDO, 3.3V, SOT-23-5 |
| U10 | nRF52833_QDxx |
| Multiprotocol BLE/ANT/2.4 GHz/802.15.4 Cortex-M4F SoC, QFN-40 |
| AE1 | Antenna 2.4 GHz | Antenna |
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| C2,C20,C27,C32 | 12 pf | Unpolarized capacitor, small symbol |
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| C4 | 100nf | Unpolarized capacitor, small symbol |
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| C6,C14,C15,C17,C18,C28,C29 | 1 uf | Unpolarized capacitor, small symbol |
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| C8,C11,C21,C26,C30 | 4.7 uf | Unpolarized capacitor, small symbol |
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| C16,C19,C25 | 100 nf | Unpolarized capacitor, small symbol |
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| C23 | 1.5 pf | Unpolarized capacitor, small symbol |
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| C24 | 100 pf | Unpolarized capacitor, small symbol |
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| J1 | LiPo_Battery | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J3 | USB_C_Receptacle | USB Full-Featured Type-C Receptacle connector |
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| J4 | Conn_01x10_Pin | Generic connector, single row, 01x10, script generated |
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| L1 | 3.9 nH | Inductor, rotated by 45° |
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| L2 | NC | Inductor, rotated by 45° |
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| NC1 | 1 pf | Unpolarized capacitor, small symbol |
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| R1,R2 | 5.1k | Resistor |
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| R3,R10 | 27 ohm | Resistor |
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| R4 | 1.5 kohm | Resistor |
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| R5 | 1.8 kohm | Resistor |
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| R7 | 10k ohm | Resistor |
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| R8 | 10 k | Resistor |
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| R9 | 10k | Resistor |
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| R12,R13,R16,R17 | 4.7k ohm | Resistor |
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| SW1 | SW_Push | Push button switch, generic, two pins |
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| Y1,Y2 | Crystal | Two pin crystal |
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