PCB Design Components讨论
3:55
Dispatching Library tool to find: "MCP1700-3302E/TO"
Dispatching Library tool to find: "10uF Capacitor"
Dispatching Library tool to find: "100nF Capacitor"
Dispatching Library tool to find: "4.7k Resistor"
Dispatching Library tool to find: "220Ω Resistor"
Dispatching Library tool to find: "32.768 kHz crystal"
Dispatching Library tool to find: "JST PH"
Dispatching Library tool to find: "SWD Header"
Dispatching Library tool to find: "Testpoint"
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Creating search plan for: "MCP1700-3302E/TO"
Creating search plan for: "10uF Capacitor"
Creating search plan for: "100nF Capacitor"
Creating search plan for: "4.7k Resistor"
Creating search plan for: "220Ω Resistor"
Creating search plan for: "32.768 kHz crystal"
Creating search plan for: "JST PH"
Creating search plan for: "SWD Header"
Creating search plan for: "Testpoint"
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Found 47 results.
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Found 75 results.
Searching: "10uF Capacitor"
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Found 96 results.
Searching: "4.7k Resistor"
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Searching: "32.768 kHz crystal"
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Searching: "100nF Capacitor"
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Searching: "220Ω Resistor"
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Found 62 results.
Searching: "MCP1700-3302E/TO"
Found 59 results.
Searching: "Testpoint"
Creating search plan for: "32.768 kHz crystal"
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Found 75 results.
Searching: "32.768 kHz crystal"
Finished searching for components.
Checking if I can make the changes for you.
Defining component specifications.
Table
| Part Name | Purpose | Manufacturer Part Number | Quantity | Footprint | Datasheet Link |
|---|---|---|---|---|---|
| Microcontroller | Runs sensor measurements, data processing, and BLE communication | NRF5340-QKAA-R | 1 | AQFN-94 | |
| Heart Rate Sensor IC | Measures PPG-based heart rate via I²C interface | MAX30102EFD+T | 1 | UDFN-14 | |
| Temperature Sensor IC | High-accuracy I²C temperature measurement | TMP117AIDRVR | 1 | WSON-6 | |
| 3.3 V LDO Regulator | Provides stable 3.3 V rail for MCU and sensors | MCP1700T-3302E/TT | 1 | SOT-23 | |
| 10 µF Ceramic Capacitor | Input decoupling for 3.3 V regulator | 1206X106K500NT | 1 | 1206 | 2304140030_FH--Guangdong-Fenghua-Advanced-Tech-1206X106K500NT_C116702.pdf |
| 100 nF Ceramic Capacitor | Local decoupling at MCU supply pins | 0603B104K500NT | 1 | 0603 | |
| 4.7 kΩ Resistor | I²C pull-up resistors on SDA and SCL | CRCW06034K70JNEAC | 2 | 0603 | |
| 220 Ω Resistor | LED current-limiting resistor | CF14JT220R | 1 | Axial | |
| 32.768 kHz Watch Crystal | External LFCLK for accurate RTC and timing | ABS07-32.768KHZ-T | 1 | 2-SMD | |
| Status Indicator LED | Visual status feedback | LED THT | 1 | THT | ___ |
| Battery Connector | 2-pin JST PH connector for power input | PHR-2 | 1 | PH-2 | ___ |
| SWD Programming Header | ARM SWD header for programming and debugging | FTSH-105-01-L-DV-007-K | 1 | 10-pin SMT | |
| PCB Testpoint | Debug and measurement access point | 5019 | 4 | SMT TP |
Ready.
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