USB_SPDTK2
mikef5410
USB Control of RF SPDT switches
Components (26)
| Reference | Value | Description |
|---|---|---|
| U1 | LM27313XMF | 1A, 28Vout Boost Voltage Regulator, 1.6MHz Frequency, SOT-23-5 |
| U2 | LP2985-3.3 | 150mA 16V Low-noise Low-dropout Regulator With Shutdown, 3.3V output voltage, SOT-23-5 |
| U3 | L293DD | Quadruple Half-H Drivers |
| U4 | STM32F411RETx | STMicroelectronics Arm Cortex-M4 MCU, 512KB flash, 128KB RAM, 100 MHz, 1.7-3.6V, 50 GPIO, LQFP64 |
| U5 | 93LC66AT-IOT | Serial EEPROM, 93 Series, 8-bit word, 4kbit 1.8V, SOT-23-6 |
| C1,C4,C14,C15 | 1u | Unpolarized capacitor |
| C2 | 220p | Unpolarized capacitor |
| C3,C5,C7,C19 | 4.7u | Unpolarized capacitor |
| C6,C8-C13,C16,C20 | 0.1u | Unpolarized capacitor |
| C17,C18 | 30pF | Unpolarized capacitor |
| C21 | 22uF | Unpolarized capacitor 25V |
| D1 | SS34 | 40V 3A Schottky Diode, SMA |
| D2 | PRTR5V0U2X | Ultra low capacitance double rail-to-rail ESD protection diode, SOT-143 |
| D3-D6 | RED | Light emitting diode |
| D7 | GRN | Light emitting diode |
| FB1 | MMZ1608Y102B | Ferrite bead, small symbol |
| J1 | USB_B_Micro | USB Micro Type B connector |
| J3 | Conn_02x08_Odd_Even | Generic connector, double row, 02x08, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
| L1 | 10u | Inductor, 10uH 1.6A FNR4030S100MT |
| R2,R6 | 0 | Resistor |
| R4 | 118k | Resistor |
| R5 | 13.3k | Resistor |
| R7,R8,R10,R12,R16 | 10k | Resistor |
| R9,R11,R13-R15,R17,R18 | 100 | Resistor |
| SW1,SW2 | SW_Push | Push button switch, generic, two pins |
| Y1 | 16M 20pF 3225 | Four pin crystal, GND on pins 2 and 4 |